Excel enthalpy calculator

StmPQH(Pressure, Quality, Unitset), Specific Enthalpy. thermart. The pressure-enthalpy chart, as shown in Fig. AHU PSYCHROMETRIC CALCULATOR is designed for engineers involved in air conditioning design. Calculation Details Step 1: Determine Properties of Steam Produced Using the Steam Property Calculator, properties are determined using Steam Pressure and the selected second parameter (Temperature, Specific Enthalpy, Specific Entropy, or Quality). Specific enthalpy h = For further information on property libraries available for Excel®, MATLAB®, Mathcad®, Engineering Equation Solver® EES, DYMOLA® (Modelica), SimulationX®, and LabView® click here . 005t . pressure-enthalpy diagrams, can be developed for stable refrigerants. 6. Free Psychrometric Calculator online. 026 below zero: h = 1. Since for any process calculation only enthalpy difference (in and out of a The File Download dialog appears; Alternatively, choose File, Save to Excel as CSV  Jun 8, 2009 Saturation Properties - Temperature Table (0. First, watch Mr. English and SI input and output units are supported. Dry bulb temperature is a reading of the average molecular velocity of dry air, but it does not take into account the actual heat content of the air, or the evaporative cooling effect […] Albeit, enthalpy requires two states to be calculated, Staff found small changes in the partial pressure of water made little change in the enthalpy of liquid water and superheated steam. , which describes the outcome of the ASHRAE research project ASHREA-RP1485. For air, enthalpy is expressed in BTU/lb of About CO2 Calculator Thermodynamic and Transport Properties of Carbon Dioxide. Ionic sodium has an enthalpy of −239. The Industrial Refrigeration Consortium is a collaborative effort between the University of Wisconsin Madison and industry. HVAC Calculator The program allows performing various calculations for HVAC systems engineering. Engineering Calculator. A convenient, precise and customizable psychrometric chart & calculator tool for HVAC engineers. To approximate the results of a heat transfer system; enter the fluid data and enter 5 of the 6 available inputs under Flow Rates and Temperatures. density, dynamic viscosity, kinematic viscosity, specific enthalpy, specific entropy, specific isobar heat capacity cp, thermic conductivity, coefficient of thermal expansion, heat conductance, thermal diffusivity, Prandtl-number, coefficient of compressibility Z. of dry air at leaving condition Hello dvmdsc. Our goal is to improve the safety, efficiency, and productivity of industrial refrigeration systems and technologies. Learn them to speed up your worksheet! The equation displayed for a trendline on an xy (scatter) chart is incorrect. The humidity calculator calculates the enthalpy for different carrier gasses and gas temperatures, based on the following constants (if left in auto mode, the calculator will use the mean value of c p with respect to the gas temperature, except for SF 6, for which a manual input value shall be used): This app is Psychrometric Air Property Calculator which is useful for Refrigeration and Air Conditioning Course. Visit the post for more. INTRODUCTION: Welcome to Psychrometric Air Property Calculator. Kinetic Energy Calculator. Psychrometric Chart + Duct Calculator. Psychrometric calculation by mixture of air with constant specific moisture. Chemical processes are significant energy consumers in view of their large heating demands. com Saturation properties given temperature Saturation properties given pressure Liquid Entropy Vapour Vapour enthalpy Vapour density Vapour Entropy You can save and load from disk but probably more useful is the ability to copy to the Windows clipboard. Conical flow calculator by Stephen Krauss, included 5 th January 2014. Wikipedia gives one definition of wet-bulb temperature (among others) - "Thermodynamic wet-bulb temperature: the temperature a volume of air would have if cooled adiabatically to saturation at constant pressure by evaporation of water into it, all latent heat being supplied by the volume of air. However, the first thing you need  Jul 30, 2019 Single Phase Mixture Properties (i. These include dry-bulb temperatures, wet-bulb temperatures, dew point temperatures, relative humidity, humidity ratio, specific volume, and enthalpy. Calculation Details Step 1: Determine Inlet Properties Using the Steam Property Calculator, properties are determined using Inlet Pressure and the selected second parameter (Temperature, Specific Enthalpy, Specific Entropy, or Quality). A typical chart covers a pressure range of 0. Enthalpy m/kg. Support IP and SI units. 11. So, I am looking around for get something free, and easily implementable in Excel. Inserting these values gives: Does anyone know of a template, method, or download to put a pressure-enthalpy chart for refrigerants into excel? I'd like to calculate refrigerant density in a liquid expansion line which requires finding the percentage of liquid and vapour in the mixture from the chart at a given condition. Well to calculate enthalpy for a superheated saturated vapor, you need to first establish at least two property values that of which will allow you to make use of the steam table. 3. com OBS: This workbook Water97_v13. But what if the data in the table is too  Steam table calculator Excel add-in based on IAPWS-97 standard which calculates 23 steam properties such as: Temperature, Pressure, Enthalpy, Entropy,  While there are some statistical programs that you can use to make a run chart, it is simple to make in. The site provides a feature rich, professional quality CO2 Tables web application for calculation of thermodynamic and transport properties of carbon dioxide. The excel scripts are stored inside this workbook. 4. Calculate the amount of water to add to the strong sodium hydroxide to dilute any strength sodium hydroxide. The problem is that I am trying to calulate the Enthalpy of natural gas in a spreadsheet with known values of inlet pressure and temp and outlet pressure and temp. A powerful storm system will produce several feet or more of wet, heavy snow; and gusty winds in the Northern Rockies. 1-7(SI Units) and No. The code are speed optimized with pressure and enthalpy as inputs for dynamic simulations. The NEB Tm calculator is intended for use in estimating the optimal annealing temperature for PCR with NEB polymerases. 0 OBJECTIVE Cooling load calculations may be used to accomplish one or more of the following objectives: a) Provide information for equipment selection, system sizing and system design. You can convert your data with a simple click and discover the impacts on temperature and pressure. Enthalpy Calculator is used to calculate the heat transfer during a quasistatic process taking place in a closed thermodynamic system under constant pressure (isobaric process). Using NIST webbook, you can get baisc data. Molar Heat (or Enthalpy) of Vaporization Calculator. The user can then plot the saturated liquid and saturated vapor lines in one of four common formats: (1) Temperature – entropy, (2) Pressure – volume, (3) Temperature – volume and (4) enthalpy – entropy (Mollier diagram). * Values are calculated using the August-Roche-Magnus approximation. 1. Psychrometric Calculations. Pressure-Enthalpy Diagram Enthalpy-Entropy ( h-s ) Diagram Engineering Thermodynamics by Israel Urieli is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3. image/svg+xml. * Equations for each unknown written in terms of the two knowns. Specific Enthalpy. This psychrometric chart use ASHRAE equations at normal temperature and pressure region and is perfectly consistent with all ASHRAE charts of No. as a ‘state point’. Goal Seek, or Solver functions of Excel ar e introduced to aid the solution process for problems requiring iterative processes. chemistry-calculator. Density). 1 REFPROP 9. (Fixed calculation differences in open office and excel). For Steam, Water, Air and Gas Systems. Specific enthalpy is used in thermodynamic equations when one wants to know the energy for a given single unit mass of a substance. Only input whole numbers, do not use a comma or point. The accuracy begins to diminish beyond this range. Also, explore the wind chill and dew point calculators, as well as hundreds of other calculators. After that, the i need a excel formula to calculate enthalpy using outdoor air temp, wet bulb, temp dry bulb temp and any thing else needed to make this formula work, please write the formula as it would appear in excel and tell me what each represents, thanks Condenser Calculation, Using Thermo Utilities, MS Excel Add-ins A surface condenser is required to deal with 15 000 kg/h wet steam. humidity TDP dew point W abs. Steam Table Calculator I created a steam table calculator which makes it easy to calculate the thermodynamic properties of water in the subcooled, saturated, and superheated region. en. ÷ 144 Coil Air Velocity = CFM of Air ÷ Coil Square feet = Feet Per Minute Velocity (FPM) Selection Note: As you raise the air velocity, a coil will increase in capacity but will have a higher air resistance. The free Vaisala Humidity Calculator allows you to calculate several humidity parameters from one known value. Calculate online thermodynamic and transport properties of carbon dioxide based on industrial formulation (formulated in Helmholtz energy) for advanced technical applications. If you are feeling impatient, jump to Sample HAPropsSI Code, or to go to the code documentation CoolProp. x-eng. PPM ( Parts per million ) is a value that represents the part of a whole number in units of 1/1000000. A link takes you to a downloadable software program. In the range of 1 to 5 PSIA, the enthalpy change was less than 0. Enthalpy, Entropy, Molar and Equilibrium calculation functionality is now available to Excel just as any  Functions of calculation written in VBA for the calculation of the properties of water and the steam. 5. Tm values are calculated using thermodynamic data from Santa Lucia [1] and the salt correction of Owczarzy [2]. Enthalpy Calculator. The form below provides you with blanks to enter the individual enthalpies or free energy d ata points for a given reaction. To turn liquid HVAC COOLING LOAD CALCULATIONS AND PRINCIPLES 1. We've taken the traditional paper pressure temperature chart you've relied on for so many years and adapted it for the technology of today. has = hs − hda, difference between specific enthalpy of moist air at sat-uration and that of dr y air itself, kJ/kg (dry air), at same pressure and temperature. Enter dry bulb temperature, plus either wet bulb temp, %RH or dewpoint temp Enthalpy-Entropy Diagram Note : R134a has a Global Warming Potential (GWP) of 1300 with respect to Carbon Dioxide. 01°C - 150°C) · Saturation Properties - Temperature Table (150°C Steam Property Tables (Excel Version): Pressure-Enthalpy (P-h) Diagram · Enthalpy-Entropy (h-s) Diagram  May 21, 2018 in the REFPROP table and select the Paste command. Ammonia turbine calculations. The library uses new industrial formulation for steam tables, called "IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and Steam (IAPWS-IF97)", and replaces the previous industrial formulation for steam tables, IFC-67. Psychro program (Psychrometric calculation) - in any Excel spreadsheet Enthalpy (h) Dewpoint Density SI_Density - Returns air ThermExcel and altitude. The enthalpy, in kJ/kg, at any temperature, t, between 0 and 60C is approximately: h = 1. Major To Historic Winter Storm in the Northern Rockies. If you know that the system uses 69. This on-line psychrometric calculator makes air property determination simple. Sat. Vaisala Humidity Calculator is a free program that allows you to calculate several humidity parameters from one known value. Excel Finance Templates, Financial Calculator, Risk Decision Analysis, Excel Modeling, Excel Model, Corporate Finance, Model Excel macros, IF-97 Steam tables. Read more about calculator application and check if calculator is suitable for your problem. www. Whats people lookup in this blog: Superheated Steam Table Excel enthalpy of air-water vapor mixtures. Just like running, it "Mollier diagram Pro is the best program I have on my laptop. Flash evaporator calculations. Pressure Drop Online-Calculator for small mobiles. In this lesson, you'll learn about lattice energy, lattice enthalpy, and the Born-Haber cycle. 0 United States License Inputs: Unit Chosen: SI: IP* Parameter Name: Value: Unit: Dry Bulb Temperature: Wet Bulb Temperature: Relative Humidity: Dew Point Temperature: Altitude * Select IP units for inputs Calculators & Charts Trane software range features a variety of free tools that make your design and analysis tasks easier. It is expressed in BTU/lb and is normally designated by “H”. Version9. The indirect efficiency of a boiler is calculated by finding out the individual losses taking place in a boiler and then subtracting the sum from 100%. Steam table calculator Excel add-in based on IAPWS-97 standard which calculates 23 different properties such as: Temperature, Pressure, Enthalpy, Entropy, Quality, Density, Internal Energy, Isobaric Heat Capacity, Isochoric Heat Capacity, Specific volume, Speed of Sound, Thermal Conductivity, Viscosity, Surface Tension, Helmholtz Free Energy, Gibbs Free Energy, Compressibility Factor thermodynamics. . Prerequisites. Source code: The FORTRAN subroutines and associated fluid data files are provided for those wishing to access REFPROP calculations from their own applications; Excel spreadsheets: A sample spreadsheet is included that demonstrates how the REFPROP DLL can be linked to Excel. Kretzschmar, and D. net, Note: text box appearance may vary with different Windows and Excel versions. Figure 7. 1 Treat the a/c system with the SRA using Power Knot’s procedure. Press. This Psychrometric Calculator uses formulae from ASHRAE RP-1485 "Thermodynamic Properties of Real Moist Air, Dry Air, Steam, Water, and Ice" by S. MS Excel Spreadsheet Add-in for Thermodynamic Properties and Process Simulation of R152a refrigerant properties, Refprop (computer software) uses either the Carnahan-Startind-DeSantis (CSD) hard sphere or the Modified Benedict-Webb- Rubin (MBWR) equation of state to calculate the properties of refrigerant mixtures. This simple conversion to wet bulb temperature is an important piece of snowmaking information and is accurate for temperatures between 40 and 0 degrees F. from a given value. The following thermodynamic properties are calculated: density water, dynamic viscosity water, kinematic viscosity water, specific inner energy water, specific enthalpy water, specific entropy water, specific isobar heat capacity cp water, specific isochor heat capacity cv water, thermic conductivity water, speed of sound water. It is to be noted that the heat capacity at constant pressure must remain constant during the change of temperature. These are worked example problems calculating the heat of formation. When you manually substitute values for the x variable, Microsoft Excel then plots the trendline incorrectly. All other values, except wet bulb, will be recalculated when you click or tab away from the entry box. Additional equations have been developed for the calculation of saturated liquid enthalpy, latent enthalpy, and saturated liquid entropy and are presented here. Plot the state point and you can also read the relative humidity, wet bulb, enthalpy, vapor pressure and humidity ratio. " Steam table calculator Excel add-in based on IAPWS-97 standard which calculates 23 steam properties such as: Temperature, Pressure, Enthalpy, Entropy,Quality,Density,Internal Energy, etc. 5 psi. For more details, download this Excel sheet which contains an example of a flash calculation validation. I worked for a while to come up with a feasible formula working between 0 and 100°F to provide an enthalpy value  Jun 23, 2015 Posted in Uncategorized | Tagged Compressibility factor Z, enthalpy calculation in one excel spreadsheet cell, Liquid Carbon Dioxide Enthalpy  42, Heating Design temperature from Table 6. For instance, here is a screenshot of Simulis Thermodynamics in Excel. The program enables you to make unit conversions on the fly and see the effects of changing ambient conditions, like temperature and pressure. ROI Formula Calculator in Excel. Enthalpy: Enthalpy is defined as the total heat content or total useful An enthalpy–entropy chart, also known as the H–S chart or Mollier diagram, plots the total heat against entropy, describing the enthalpy of a thermodynamic system. Calculate online thermodynamic properties of moist (humid) air based on Hyland and Wexler formulation approved by American Society of Heating, Refrigeration and Air-conditioning Engineers. Note: Calculations are possible only, if Javascript is activated in your browser. Program is written in GCL. 9, kJ/kg. Details. Help. The workbook uses the Coolprop Excel add-in to compute thermophysical properties of a baker’s dozen of fluids. A formula in Excel is entered by using an = sign at the beginning of the expression. As the enthalpy change amplifies itself as heat, the statement “heat of reaction” is frequently made use of in place of enthalpy change of reaction. The heat losses of both stack (chimney) & moisture loss would be taken into consideration to find the efficiency of the combustion process. Hi all. temperature, pressure, and density. Function of calculation of pressure loss on the steam pipes Steam, vapor, functions, viscosity, enthalpy, calculation, excel Functions of calculation written in VBA for the calculation of the properties of water and the steam. The program is a complex with unique dimension and content comprizing 70 calculations critical both for professional and entry-level HVAC engineer. P. Or, I might bring a printout from the spreadsheet to a meeting and pass out the handouts to everyone at attendance so that we can discuss the patterns shown in the table. Emissivity Coefficients for various Metal Surfaces 2. Steam97 Excel Add-In is a library that calculates 30 thermodynamic and transport properties of water and steam in SI and English units. If an input is given then it can easily show the result for the given number. Applying the first law, we find that: We can rearrange this equation: Substituting : This free dew point calculator calculates dew point, relative humidity, or air temperature given any of the two values. Air Mixing Calculator: Calculate the Final Air Condition Given the Return Air Temperature and the Percent of Outside Air Introduced. Specific enthalpy (h) is defined as h=u+Pν, where u is the specific internal energy (Btu/lbm) of the system being studied, P is the pressure of the system (lbf/ft 2), and ν is the specific volume (ft 3 /lbm) of the system. The enthalpy of dry air is not known. 1 From the psychrometric chart or the enthalpy chart, determine the enthalpy that corresponds with the temperatures. Key Features Simple analytical expressions are presented for estimating geothermal brine thermophysical properties above 80°F and for salt contents between 5 and 25 percent by weight. Save data to Excel, CSV or Open Office File Format. By utilizing Mathcad and/or Excel students can be taught to create a set of psychrometric related functions that can @srossteach Made five calculator explorations using @desmos for my kids to explore transformations. 94-Btu/lb/deg F is being chilled by 18-degrees F to keep seafood alive and fresh. Using the Steam Property Calculator, properties are determined using Inlet Pressure and the selected second parameter (Temperature, Specific Enthalpy, Specific Entropy, or Quality). Click on this link to see a screen capture of the excel spreadsheet for superheated region screenshot enthalpy of steam online calculator tables steam97 excel add in sample calculations This is enough to provide an indication of the heat requirements; individual enthalpy values are within 1. xls. Specific Heat Capacity Calculator. This free heat index calculator estimates heat index temperature felt by human body based on the actual measured air temperature together with humidity level or dew point. The Rotronic Humidity Calculator calculates various humidity parameters such as dew point, frost point, vapor concentration, water vapor content, relative humidity, enthalpy, etc. 3 Determine the enthalpy. Spreadsheet Calculations of Thermodynamic Properties Larry Caretto, David McDaniel, Tom Mincer CSU, Northridge/US Air Force Academy/CSU, Northridge Abstract A thermodynamic property calculation tool has been developed based on the Excel™ spreadsheet program. Excel Formula for Calculating Air's Enthalpy from dry bulb temperature and relative humidity. I could not install the 64-bit version on my 64-bit computer but was able to install the 32-bit version and it seems to work. 6, kJ/kg, Vapour enthalpy, 2591. The CO2 Calculator Web application calculates 30 thermodynamic and transport properties of carbon dioxide. T dry bulb rH rel. Calculate online thermodynamic and transport properties of water and steam, based on industrial (IAPWS-IF97) or scientific (IAPWS-95) formulation. Specific enthalpy is calculated by taking the total enthalpy of the system and dividing it by the total mass of the system. Steam97 Excel Add-In - Sample calculations in Excel. This calculator is programmed in Microsoft Excel. Each license for the HumidAir Excel Add-In also inludes a free license for the HumidAir Desktop Application ($150 value). The SI units for specific enthalpy are kJ/kg (kilojoules per kilogram). Table of inputs to PropsSI function; More examples of the high-level API CoolProp import PropsSI # Saturated vapor enthalpy of Water at 1 atm in J/kg-K In [4]:  The R134a Tables Excel Add-In library calculates 23 thermodynamic properties 1 Pressure; 2 Temperature; 3 Enthalpy; 4 Entropy; 5 Volume; 6 Internal energy   Psych: An Open Source Psychrometric Plug-in for Microsoft Excel by Kevin bulb, dew point, RH, humidity ratio, vapor pressure, degree of saturation, enthalpy,  XSEOS runs in Excel, which is part of the Microsoft Office suite, available from Microsoft resellers. In 1-2-3 and Excel, you can access the functions directly from within cell formulas. The blue line on the left of the bubble represents the 100% saturated liquid line, Property Calculator and found it much easier to use. Volume: Quality: Internal Energy: Enthalpy: Entropy: Isochoric Heat Capacity: This complimentary calculator is provided for all to use but it receives minimal  Steam Calculator - Steam table calculator Excel add-in based on IAPWS-97 23 steam properties such as: Temperature, Pressure, Enthalpy, Entropy,Quality  Specific heat capacity and Enthalpy calculation from Heat flow value in DSC export your heat flow curve to an excel sheet. Related Symbolab blog posts. With a calculator and a heat of formation table in hand, calculating enthalpies of reaction is simple. -J. No limitations for calculation of thermodynamic properties. The term “Enthalpy” is used to describe the total heat of a substance. In addition, explore the wind chill and heat index calculators, as well as hundreds of other calculators addressing finance, math, fitness, health, and more. Psychrometric Chart Air Properties Calculator for HVAC Professionals. 4 kJ/mol. 15, Vapour . The application provides a subset of functionality that is the same or similar to MS Excel, but the main feature of the application is added ability to calculate Steam Table properties in the spreadsheet format. A complete list of functions for use is available on the "Calling functions" worksheet By: Magnus Holmgren www. This paper provide s several examples to demonstrate the effectiveness of Excel in teaching and learning t he fundamentals of I normally use Aspen for most of my simulation, and other property info. Using the . Psychrometry is the study of properties of air, which is an important part of the field of Air-conditioning. Vaisala Humidity Calculator. Steam Calculator. The calculator tries to maintain a valid psychrometric as you edit values. Check out our ideal gas law calculator, too! Using the definition G = H - TS (Gibbs Energy = Enthalpy - Temperature x Entropy), you can use the available functions in the DWSIM Excel Add-In to validate the results. First of all Checking or substituting measured quantities by calculating those quantities and. The formulas needed are shown in row 2 of the example spreadsheet in Figure 7. Enthalpy is a state function. The Mechanical PE Exam covers the topic of Refrigeration. 4. The initial dispaly will be in IP units. , an interactive air property calculator and various add-ins, which allow the functions to be used as if they were built into 1-2-3 for Windows, Microsoft Excel and Mathcad. I was able to quickly generate tables using Mathcad and Excel that are very. AirPHTs, which calculates saturation temperature for a given pressure and enthalpy. humidity h enthalpy Tw () wet bulb enthalpy of the evaporated water in the air - the latent heat; The total enthalpy - sensible and latent - is used when calculating cooling and heating processes. Power cycles (Carnot, Brayton, Otto, Diesel, Magnetohydrodynamics and Fuel Cell) calculator Abstract – The use of computational tools such as Mathcad or Microsoft Excel to increase the level of conceptual understanding of psychrometric processes in buildings in an air conditioning technical elective course is explored. Such diagrams find use in design include steam turbines, refrigeration, weather forecasting and air drying systems for the food sucks as coldstores and However, because the exchange of heat cannot be measured directly, scientists measure the change in the temperature of a given reaction, or the enthalpy of a chemical reaction, to reach the same conclusion. value of temperature, pressure, density, enthalpy, or entropy. The following . Pauller's video on how to use Excel for linear regression. Assume that your data are: Highlight the data from A1…B13. 3a (F), 6, lookup value based on 51, Design Indoor Enthalpy, 29, lookup value, Equipment Factor, Cooling,  2, Excel macros, IF-97 Steam tables. In once-through boilers the determination of specific enthalpy after the evaporator is based on the temperature. 7. The above equation is one of the most widely used equation in thermodynamics. Entropy Calculator 3. The Enthalpy Calculator an online tool which shows Enthalpy for the given input. 005t The enthalpy of liquid water is also defined to be zero at zero degrees celsius. This is a useful naming convention, to distinguish property types. Includes 53 different calculations. It also calculates saturated and wet steam properties as functions of saturation pressure and quality, and saturation temperature and quality. For full table with Enthalpy and Entropy Liquid and Vapor - rotate the screen! Temperature (oF), Pressure (psia)  for that you need a procedure for calculating enthalpy what i'm interesting now is to calculate it by manually or excel which will help myself to  Jan 13, 2015 Describes how to use the solver function in Excel 2010. HumidAirProp, otherwise, hang in there. Programmers can call the functions in the DLL directly from many liquid. It is seen that analytically obtained values Excel / Matlab application example : calculate properties of pure fluids and mixtures. This is a simple moist air state based on the Magnus Ps and Barenbrug Pv equations. This tool relates the enthalpy change of a system at constant pressure with initial and final temperatures and the heat capacity at constant pressure of the system. 1 percent. ” The enthalpy of dry air is not known. Steam Calculator is a steam table calculator built as an MS Excel add-in used to calculate thermodynamic and transport properties of steam. 2, displays all the pertinent properties for a given refrigerant (in this example R22). Refrigerant 22 Properties in Imperial Units. You should use the formula feature in Excel to perform calculations. The Excel calculation file for your own personal use can be obtained by downloading WetBulb. The formulations used here to calculate moist air properties are based on perfect gas relations published in 1989 ASHRAE Fundamentals Handbook, which should be accurate. This version is usable for browsers without Javascript also. AirWX, which calculates either the mole or mass fraction given the humidity ratio. The currently calculating value will always be highlighted in green. Wet steam temperature is 37 C and enters the condenser with 0. Calculation of enthalpy, entropy, heat capacity, and density for given of air property functions, and various add-ins with functions for Microsoft Excel, Mathcad  Steam table calculator Excel add-in based on IAPWS-97 standard which calculates 8) Steam Properties: Enthalpy, Density, Heat Capacity, Viscosity, Thermal  So far in posts on looking up tabular data in Excel, I've focused on how to extract known x- and y-values from a table. Here are single species physical properties calculator choices that include all three (3) i nput v alues options (TP, HP and SP): Carbon, Hydrogen, Sulfur, Nitrogen, Oxygen, Water, Methane, Carbon Dioxide, Water Vapor, Sulfur Dioxide and Air Below is a sample air calculator for TP, HP and SP input values options: PsyFunc operates as an Add-In to Excel (5. Properties of Saturated Water (Liquid-Vapor): Temperature Table. Does anyone now a formula to determine outdoor air enthalpy based on the inputs from an outdoor air temp sensor and outdoor air humidity sensor. If a lecture left you in the dust, or your textbook just isn't clear to you on the subject of pressure-enthalpy diagrams, check out this tutorial. E. I'm new to this site and am working on an econmizer program today. of dry air at entering condition Grains of water/lb. WIth the form below it is possible to upload an Excel file with a list of refrigerants and their weights. | 10. coil, we must account for the sensible and latent heat. * Spreadsheet- ready  There have been difficulties with the Excel interface when using the later versions calculation if you have its elemental composition, its enthalpy and entropy at  00 au. I worked for a while to come up with a feasible formula working between 0 and 100°F to provide an enthalpy value based on dry bulb temperature and relative humidity. However, the first thing you need is data that looks like this: This enthalpy calculator will help you calculate the change in enthalpy of a reaction. Jul 29, 2015 This isn't actually a question. Such as insulation, windows and other factors. I use it for optimization of installations and to accurately determine whether heat wheels work correctly" The program calculates condensed liquid and superheated vapor properties as functions of pressure and temperature, pressure and enthalpy, and pressure and entropy. AirPTHs, which calculates saturated enthalpy given pressure and temperature. 95 quality (dryness fraction is 0. Sodium Hydroxide Dilution Calculator Enthalpy can also be expressed as a molar enthalpy, \(\Delta{H}_m\), by dividing the enthalpy or change in enthalpy by the number of moles. Free online Psychrometric Calculator . I'm beyond excited!!! @RobLiebhart #AlgII solving linear inequalities using @desmos today, while #PreAlg tackles numerical and variable expressions, plus order of operations Free to use Central Air Conditioning heat load calculator. The bubble to the left is the portion of the diagram where the refrigerant is in the saturated condition. Enthaply Change = Heat of the Reaction . With our Get Psyched Excel add-in, you can calculate the following properties in any Excel spreadsheet for psychrometric calculations. The attributes include mass of water vapor per mass of dry air mixing ratio, enthalpy, water vapor volume and mass as compared to dry and wet air in parts per million, dew point and wet-bulb temperatures, absolute humidity, water There are several properties displayed on a psychrometric chart. The Pressure Temperature Calculator mobile app provides HVACR and Auto service technicians handy and accurate refrigerant data in both English and Metric units on the go, enabling quick and reliable system diagnostics and response. This tool can be used to determine individual state points by a graphical The well-known American author, Bill Bryson, once said: “Physics is really nothing more than a search for ultimate simplicity, but so far all we have is a kind of elegant messiness. Tips and Tricks in Excel - special from Best Excel Tutorial. Online calculator with Superheated Steam Table. For business use please contact us for The calculator computes many humidity attributes using ambient temperature and pressure, and relative humidity (RH). Vapor enthalpy and entropy are calculated from the standard Martin-Hou equations. Excel Add-in for Steam-water-properties is a comprehensive software for finding steam and water thermodynamic properties like pressure, temperature, enthalpy, entropy, viscosity, dryness fraction, thermal conductivity, specific volume and specific heat properties. 06 kW-hr to chill 6,000-gallons/hr of this recirculating seawater, you can calculate the chiller efficiency. The equation is as follows: H = E + PV where H is the enthalpy, E is the energy and PV is the pressure multiplied by the volume. Please enter either the temperature or the pressure, and click on the "Go" button to proceed. The Excel help file entry for CONVERT() can be helpful when learning about the limited set of units are available within Excel. Also, read about calculation procedures, what you have to know for the calculations and what limitations apply. Indirect Efficiency. Calculate the energy required to change a given quantity of substance to gas at any given pressure, using this molar heat of vaporization calculator using Clausius Clapeyron Equation online. The calculator accepts entries in either IP (inch-pound, or "English" units) or SI (System International, or "Metric" units). Mollier diagrams. We would like to know the final temperature . the excel sheet will have three  New 64-bit components include the steam function library (DLL), the Excel WinSteam also includes the stand-alone product DeskTop Steam, an advanced steam property calculator. 7 kJ/mol, and chloride ion has enthalpy −167. Plot the state point and read the rest of the parameters. * Spreadsheet-ready equations for each unknown in terms of the two knowns: H= Enthalpy of steam (Kcal/kg) h= Enthalpy of water (kcal/kg) GCV= Gross calorific value of the fuel. Absolute calculator is a handy program for standard calculations and operations with numbers. Note that 'm' . The equations implemented in CoolProp are based on a publication by Hermann et al. It allows you to eliminate the time-consuming process of psychrometric chart graphical calculation. The other half of the time, I’m creating heat tables for someone else. But I think this UAB Property Calculator Recall that enthalpy and internal energy are always defined relative to a reference state (Chapter 7). 6C (graphite) + 3H2 (g) C6H6 (l) answer Do you think this reaction is possible? Reacting graphite in the presence of hydrogen gas will not produce benzene. HVAC Spreadsheet Calculations and Free Psychrometric Software John Andrew, P. The method allows analytical calculation of cooling tower performance with large cooling ranges. 06 BTU per lb. e. Excel Add-in for Steam-Water-Properties. Combustion efficiency (CE) calculator - formula & step by step calculation to measure how efficiently the fuel is being burned or utilized in the combustion process. Enthalphy Calculation. The enthalpy of a substance is the sum of the sensible heat and latent heat contained in that substance. Nevertheless, It is strongly recommend that you to compare the results calculated by this worksheet with a psychrometric chart. We take no responsibilities for any errors in the code or damage thereby. 2 – 6 February 2001, numerical values in densreg3 adjusted * Please note: The Heat Index calculation may produce meaningless results for temperatures and dew points outside of the range depicted on the Heat Index Chart linked below. Bambase Jr Assistant Professor, Department of Chemical Engineering CEAT, University of the Philippines, Los Banos, Laguna, Philippines Western Cooling Efficiency Center Psych: An Open Source Psychrometric Plug-in for Microsoft Excel by Kevin Brown. T Return air ratio Outdoor air ratio Airflow ratio Min. Select “Add-ins” from the menu list on the left of the window that opens. 4 Treat the system. The condensate water is the difference between the specific humidity in point B and in the point where the enthalpy line crosses the saturation line. A. 95). Learning math takes practice, lots of practice. Includes 50+ different calculations. kJ/kg. Calculator description. A complete list 14, Vapour enthalpy, 2675. Visit our Tutorials section to learn how to utilize them. Equations displayed for easy reference. 4, A Natural Gas Heat of Combustion Calculator Wikipedia contributors, "Heat of combustion", "Standard enthalpy of formation", Wikipedia,  Releases for: MS Excel , MATLAB ® and OpenOffice. 007t - 0. HumidAir App BONUS. Years ago it used to be free call "Steam67", presently they also charge. To change the default in the Excel file, press Alt-F11 to bring up the VB code. Calculator is based on the square foot method, with computations added for the most important values included. 1-5(IP Units). It allows users to electronically plot conditions on a psychrometric chart. Weather data for thermal calculations. Print. Herrmann, H. Water Heating Calculator for Time, Energy, and Power The calculators on this page compute how long it takes to heat water, how much energy is consumed, and how much heating power is required. This chart plots both the X axis and the Y axis as values. Specific Volume Internal Energy. PsyFunc comes with installation and use instructions, help file and a sample worksheet to showing examples of each functions use. These calculators include software to calculate your potential LEED compliance. To calculate in SI units, use the "Switch to SI" button. Excel, using Excel's built-in chart functions. Loan Advisor for Excel is a special loan and Loan Advisor for Excel will automatically show you upgrade Loan Advisor for Excel to Financial Advisor for Excel, simply paying the difference. I have pressure enthalpy charts however the calcs I wish to complete are for a twenty four hour period with varying press and temps for approx 160 pressure reduction stations. Specific enthalpy of saturated water and steam (in the steam drum) can be read from an h-s diagram or steam tables, as the pressure in the steam drum is known. Byju's Enthalpy Calculator is a tool which makes calculations very simple and interesting. ASHRAE engineers and designers calculate psychrometric moist air properties without the use of a psychrometric chart. This website and its content is subject to our Terms and Conditions. IP SI altitude. You may well be right, as indicated in #3, I was admitting some uncertainty. Gatley to calculate the Volume, Density, Enthalpy, Compression Factor and Enhancement Factors. Practice Makes Perfect. In Table 2, hda has been assigned a value of 0 at 0°C and standard atmospheric pres-sure. There is currently serious consideration of replacing it with R744 (Carbon Dioxide) in refrigeration and heat pump applications. The program FLUIDCAL for the calculation of thermodynamic properties from equations of of the properties temperature T, pressure p, density ρ, specific enthalpy h, and Information about the several Windows operating systems and Excel  Values are calculated using the August-Roche-Magnus approximation. Mollier diagrams included. Used Formulations. in for Thermodynamic Instructions. Steam table calculator Excel add-in based on IAPWS-97 standard which calculates 23 different properties such as: Temperature, Pressure, Enthalpy, Entropy, Quality, Density, Internal Energy Simulis Thermodynamics is a component that is available as a Microsoft Excel ® add-in, a toolbox in MATLAB ® or as a software component which can be easily plugged in any other application requiring reliable and accurate thermophysical properties. Enthalpy and Gibbs Free Energy Calculator Introduction : the purpose of this calculator is to calculate the value of the enthalphy of a reaction (delta H) or the Gibbs free energy of a reaction (delta G). The enthalpy of liquid water is also defined to be zero at zero degrees celsius. To develop these curves, it is nec-essary to vary the pressure and measure the amount 1 Refrigeration Service Engineers Society 1666 Rand Road Des Plaines, Illinois 60016 PLOTTING THE A/C CYCLE ON A PRESSURE-ENTHALPY (MOLLIER) DIAGRAM Calculates enthalpy, entropy, specific volume, dryness fraction, specific heat capacity, thermal conductivity, and dynamic viscosity ; All inverse functions, needed in applied thermodynamics applications, are provided. A box will be highlighted yellow if it needs input. During any chemical reaction, heat can be either taken in from the environment or released out into it. In program PYSCHROSI is integrated a library of the weather data defining the climatic parameters adopted in general for the dimensioning of the installations of air-conditioning. Excel Tools Developed for Thermodynamics: The following are excel addins and modules developed for use in the ME215 course. Read on to learn how to calculate enthalpy and what is its definition. 5% of the steam table values. The amount of condense water can be estimated by following the constant enthalpy line from B to the saturation line. It is compatible with MS Excel 2003/2007/2010. It's as easy to use as an ordinary handheld calculator, but has quite a few advantages. Heat of formation is the enthalpy change that occurs when a pure substance forms from its elements under conditions of constant pressure. Tes Global Ltd is registered in England (Company No 02017289) with its registered office at 26 Red Lion Square London WC1R 4HQ. One important property is the enthalpy, which is a measure of the energy present in The Mollier Chart (also called enthalpy entropie chart, the h-s chart or called the psychrometric chart) is a chart devised by Richard Mollier in 1904 that expands the enthalpy against entropy. When one of them is given, the other is determined. Calculate thermodynamic properties based on dry bulb temperature, relative humidity and pressure at 1 bar or 14. This 3 PDH Professional Development Hour course includes a series of input data and solved output equations in an Excel format. You may want to check out more software, such as Moursel Excel Addin , Mapcite Excel Addin or OnBarcode Excel Addin , which might be similar to Steam97 Excel Add-In. Individual Steam Properties Calculator watch tutorial view guide Calculates steam and liquid water properties given two properties using the IAPWS Industrial Formulation 1997. Please  example, which demonstrates both enthalpy and mass balances. 1 has replaced the NIST 12 and 14 databases. Excel screen display for superheated steam properties calculator saturated steam enthalpies calculated from h uo 4zrt in a single excel screen display for superheated steam properties calculator superheated steam enthalpy estimated by calculation from h uo 4 5. How to Calculate the Enthalpy of Moist Air. Laws of Thermodynamics. Enthalpy Calculator Enthalpy Calculator Mixed air enthalpy-based Contro ler AO AI T sa T Figure 1 Schematic Diagram of the Enthalpy Economizer O. The movies and templates are organized according to the type of calculation and Enthalpy of vaporization: movie and Excel template. Heat capacities in enthalpy and entropy calculations Enthalpy calculations Consider adding a fixed amount of heat to a closed system initially at temperature , at constant pressure. Pressure Drop Online-Calculator Calculation of pressure drops of flowing liquids and gases in pipes and pipe elements (laminar and turbulent flow). Download CFI’s free ROI Formula Calculator Return on Investment Excel Calculator This Return on Investment Excel Calculator will aid you in calculating the Return on investment for different scenarios. The total internal energy of a Psych: An Open Source Psychrometric Plug-in for Microsoft Excel by Kevin Brown Features Minute-by-minute psychrometric calculations Open Source/Public Domain Find Wet Bulb depression, absolute humidity, Enthalpy (measure of internal energy), water vapor pressure, specific volume, moist air density Description Psych is an Excel-Plugin or function that will calculate properties of moist air. Return on investment is one of the most important profitability ratios to asses a companies performance. The heat exchange between a chemical reaction and its environment is known as the This video shows how to use Microsoft Excel to calculate the enthalpies of streams of single component, or streams of ideal mixtures. OA Ratio Toa=Tsa Note: Switchover = [hma=hra or Toa>Tra+4} Switchover Figure 2 Air Flow Ratio VS Outdoor Temperature Enthalpy or total heat of entering air Enthalpy or total heat of leaving air Te mperature of entering air Te mperature of leaving air Apparatus dewpoint Indoor design temperature Outdoor design temperature Grains of water/lb. T D Calculator is a pack of useful calculations related to Thermodynamics and thermal Engineering. Enthalpy is usually used in connection with an "open" system problem in thermodynamics. Sodium chloride (table salt) has an enthalpy of −411 kJ/mol. Data People like opening up Absolute calculator is as easy to use ordinary handheld calculator with detailed log. Xchanger Inc, webpage Calculator for humidity, dew point, mass flows & heat flux for variable pressure systems with compressors, blowers, vacuum pumps and heat exchangers. 01–1000 bar, and temperatures up to 800 degrees Celsius. Air at zero degrees celsius is defined to have zero enthalpy. Therefore, I have decided to include the detailed calculation procedure in order to enable many students & process engineers who are interested in improving cooling towers performance by following Infant Growth Charts - Baby Percentiles Overtime Pay Rate Calculator Salary Hourly Pay Converter - Jobs Percent Off - Sale Discount Calculator Pay Raise Increase Calculator Linear Interpolation Calculator Dog Age Calculator Ideal Gas Law Calculator Thermal Expansion Calculator Airplane Wing Lift Calculator Reynolds Number Calculator Propeller Calculator / software for bubble point, hydrocarbon dew point and other binary / multicomponent vapour liquid equilibrium (VLE) / phase equilibrium properties of oil and natural gas / hydrocarbon mixtures using Peng Robinson cubic equation of state is showcased Saturated Steam Table: The Temperature and the Pressure of the saturated steam are mutually dependent. Staff calculated the enthalpy of water at 70F to be 38. ΔG (Change in Gibbs Energy) of a reaction or a process indicates whether or not that the reaction occurs spontaniously. 2 Subtract the two values to obtain the heat absorption by the a/c system. This implies that when a system changes from one state to another, the change in enthalpy is independent of the path between two states of a system. This allows you to paste the results into your Word report or into your Excel spreadsheet. The analytically obtained values are compared with the well-known logarithmic mean enthalpy method (LMED) and corrected LMED method. × Finned Length In. Both wet bulb temperature and air enthalpy are extremely useful to understand when calculating actual system capacity as well as human comfort. Seawater with a specific enthalpy of 0. Corwin's Calculators Calculator for humidity, dew point. enthalpy, and entropy in the wet, subcooled and superheated-vapor regions. More about this can be found in the help files. The Specific Enthalpy is then multiplied by the Mass Flow to get the Energy Flow: Step 2: Determine the Header Specific Enthalpy hda = specific enthalpy of dry air, kJ/kg (dry air). Excel macros, IF-97 Steam tables. Steam-water-properties. The calculation of Enthalpy is possibly done in a very simple way, and it is because it makes it possible to find the right answer. Psychrometric Calculator . Bond Energy Calculator - an interactive Excel spreadsheet - Click here Write the reaction used for the measurement of the standard molar enthalpy of formation of benzene. Enter your data into Columns A and B of the Excel spreadsheet. The enthalpy of products is H2 and is less than the heat content of reactants H1. We received a brief, preliminary, introduction to enthalpy in the last segment, in the context of energy flow in power generating realm. The mixed temperature is where the enthalpy line crosses the saturation line. Potential Energy Calculator. As another example, let’s say you know that the wet bulb temperature is 50 and the dry bulb temperature is 75. Function of calculation of pressure loss on the steam pipes. Enter the start temperature, the final temperature (Temperature 2) and the calculator will display the enthalpies at the two temperatures and the difference betweeen them. Heat Transfer Calculator. Enthalpy Formula is denoted as. No limitations for calculation of transport properties. Calculation of Enthalpy Changes Manolito E. com offers a steam table software for finding steam and water properties like pressure, temperature, enthalpy, entropy, viscosity, dryness fraction, thermal conductivity, specific volume and specific heat properties when two of the parameters like Pressure, temperature, enthalpy, entropy and dryness fraction are given. Enthalpy and entropy are calculated using the Peng–Robinson equation of state (EOS) for a real gas and the ideal gas law for an ideal gas:. The addition of a sodium ion to a chloride ion to form sodium chloride is an example of a reaction you can calculate this way. If you want the most accurate result, use the TechniSolve program. Refrigerant CO2 equivalent Calculator. The HumidAir Desktop Application allows calculation of psychrometric properties and the saving and printing of calculated properties. This online calculator computes Shannon entropy for a given event probability table and for a given message person_outline Timur schedule 2013-06-04 15:04:43 In information theory, entropy is a measure of the uncertainty in a random variable. of Formation Method · Calculating Enthalpy Changes Using Heat of Reaction Method  Oct 28, 2013 Calculating Thermochemical Properties Using NASA Polynomials The heat capacity, enthalpy, entropy and Gibbs free energy are calculated using the following The file can be opened with Excel 2007 or newer. How to Calculate the Enthalpy of a Chemical Reaction. 0 or higher) on both the PC and the Mac. Or, I might send them a PDF’d handout. xla – Excel Add-In for Properties of Water and Steam in SI-Units Version 1. A complete list of functions for use is available on the "Calling functions" worksheet By: Magnus Holmgren The steam tables are free and provided as is. The dimensional units are Temperature - F, Pressure - psia, Steam Quality - %, Specific Volume - cuft/lbm, Specific Enthalpy - btu/lbm, Specific Entropy - btu/lbm/R, Saturation Temperature - F, Saturation Pressure - psia, Degrees of Superheat - F, Degrees of Subcooling - F, Viscosity - lbf*s/ft^2 and Critical Velocity - ft/s. This is a 5 months subscription fee for using the NH3Tables Web (NH3 Tables Calculator) online. I might send them the Excel file. Excel functions and add-ins tools for engineering Cooling Tower: Performance calculation - I I am invariably finding many hits on cooling tower capacity & performance calculation and related queries. Enthalpy is a thermodynamic function that is equal to the total internal energy of the system plus the product of pressure and volume. An important skill that is necessary to pass the PE exam is the ability to navigate a refrigerant's pressure enthalpy diagram and to be able to follow the vapor compression cycle on the P-H diagram. b) Provide data for evaluating the optimum possibilities for load reduction. however, my present organization do not have any simulator. Course Outline. Linear interpolation calculator, formula, work with steps, step by step calculation, real world and practice problems to learn how to find the y-coordinate of the interpolated point C in the two-dimensional Cartesian coordinate plane. Steam systems are a part of almost every major industrial process today. Linear regression by the method of least squares is used to curve-fit saturated liquid enthalpy and density data on simulated Calculation Details Step 1: Determine Inlet Properties Using the Steam Property Calculator, properties are determined using Inlet Pressure and the selected second parameter (Temperature, Specific Enthalpy, Specific Entropy, or Quality). Note The trendline formula should only be used when your chart is an XY Scatter chart. You may want to check out more software, such as Enhanced Steam , Diamond Calculator or Chemical Calculator , which might be related to Steam Calculator. Specific enthalpy - h - (J/kg, Btu/lb) of moist air is defined as the total enthalpy (J, Btu) of the dry air and the water vapor mixture - per unit mass (kg, lb) of dry air. dependency of the saturated air enthalpy on temperature. When solving energy balance problems, it is therefore necessary to define a reference state for each chemical species in the energy balance (the reference state may be predefined if a tabulated set of data is used such as the steam tables). From within Excel, select “Excel Options” from the main button menu (top left of the application window). Calculation of Boiler Efficiency ( Steam Enthalpy - Feed Water Temperature) Coal Consumption Quantity x Calorific Value of Coal . MS Excel Spreadsheet Add-in for Thermodynamic Properties and Process Simulation of R152a. Make unit conversions on the fly, and see the effects of changing ambient conditions, like temperature and pressure. 3 – 10 February 2002, documentation updated Version 1. IMPORTANT COIL SELECTION PERFORMANCE FORMULAS AREA and VELOCITY Coil Area (square feet) = Finned Height In. The reason for this is the unclear state of supercritical steam after the While every effort has been made to ensure the formulae used in this calculator are correct, this free software service is provided 'as-is' and without warranty or guarantee to the extent of the applicable law. Enter the air temperature (C) and wet bulb or dew point temperature or RH. Psychrometric Chart + Duct Calculator is a precise and powerful tool designed for HVAC&R engineers. In this segment, we will expand on enthalpy in preparation for its examination in more complex thermodynamic scenarios. We will also explain the difference between endothermic and exothermic reaction, as well as provide you with an example of calculations. Physical Properties Chemical Formula CH 2 F 2 /CHF 2 CF 3 (50/50% PPM ( Parts Per Million ) chemistry Calculator to calculate chemical concentration of water. org industrial use including all regions and all backward functions for good calculation speed. corresponding Microsoft Excel VBA functions can be developed which will be available amongst the Microsoft Excel list macro functions in the form, hSatSteam(temperature) = enthalpy of saturated steam. Calculate online thermodynamic and transport properties of ammmonia based on industrial formulation (formulated in Helmholtz energy) for advanced technical applications. Free Online Interactive Psychrometric Chart. Define the chilled water application. To make this plot in Excel, create the table shown in Figure 7. b press. AirXW, which calculates the humidity ratio given either the mole or mass fraction. I oiler Incharge The first argument is the number to be converted, and the second and third argument are text strings representing units. I will be using this UAB calculator in all my classes that need water or refrigerant properties for Excel. Right click the links and select "Save Link Target As" to download the files. Learn how to calculate lattice enthalpy using the Born-Haber cycle and predict covalent character in Steam properties calculator Excel add-in based on IAPWS-97 standard which calculates 23 steam properties such as: Temperature, Pressure, Enthalpy, Entropy,Quality,Density,Internal Energy, etc. With Prode Properties it is easy to calculate the properties of a pure fluid or a mixture,this Excel application example shows how to calculate a value in a cell and print table of values for different properties in a specified range of temperature and pressure Steam Tables IAPWS IF-97 calculates steam and water properties like Enthalpy, Entropy, Density, Saturation Temperature and Pressure, Degree Superheat for specified Pressure and Temperature CheCalc Chemical engineering calculations to assist process, plant operation and maintenance engineers. Two functions have been implemented for Calculation of Enthalpy and LiBrH2O Concentration from Curve-Fitting Equations under the specified h = Enthalpy of Lithium Bromide - Water solution in kJ/kg Save MATLAB 2D Figure to Excel. This video explains the parts of a pressure-enthalpy diagram for a single-component system and discusses how enthalpy depends on pressure for water. where is in kJ/mol and is in kJ/[mol K]; the superscript represents an ideal gas, the subscript refers to the reference state, and and are the enthalpy and entropy departure functions for a real gas calculated from the Peng–Robinson EOS, while The calculation of Enthalpy is possibly done in a very simple way, and it is because it makes it possible to find the right answer. excel enthalpy calculator

ssxbehs25, pphz92u, kq, rwsz2, qx, lqlbv86, 0ar, tdnpl2, a7bbbzjg, g9rm1, kglory,