EXCEL调用REFPROP的方法详见NIST官方推荐的 xla or xlam file set up, you can open a brand new work book and the functions should be available to you.

Public Function enthalpy(t, p) Dim hRef As Double: Dim sRef As Double: Dim Tref As Double: Dim pref As Double Dim nc2 As Long Dim i As Integer Dim xtemp(1 To MaxComps) As Double hmxnme = "C:\Program Files (x86)\REFPROP\Mixtures\R404A.MIX" hfmix = "C:\Program Files (x86)\REFPROP\fluids\hmx.bnc" nc2 = 0 ierr = 0 herr = "" For i = 1 To MaxComps: xtemp(i) = 0: Next hRef = 0: sRef = 0: Tref = 0: pref = 0 …

I would like to confirm the following procedures and questions below … VBA functions can also be called from inside Excel, just like Excel’s built-in Excel functions. Creating a Function without Arguments. To create a function you need to define the function by giving the function a name. The function can then be defined as a data type indicating the type of data you want the function … If you can’t afford REFPROP, I would suggest using CoolProp instead. It works with the same function calls as REFPROP in MATLAB and it gives you the full functionality in terms of the fluids and mixtures available. I definitely prefer it over REFPROP these days.

Refprop excel functions

AddCategoryDescription REFPROP support on OSX ¶ The refprop dylib (with the correct bitness!), as well as the fluids and mixtures folders of REFPROP should be placed in the folder refprop inside /Users/$ {USER}/Library/Group Containers/UBF8T346G9.Office. Make sure the shared library is called librefprop.dylib. The inputs I am using to test if it is working is: =density ("water","tp","e",62,14.7) I also notice that even when I open the add-in file (REFPROP.xls) I get the #VALUE! result for the listing of the DLL version on the Examples tab (and in many many other cells.) Perhaps this is informative about the issue. In Excel 2016, this function is replaced with FORECAST.LINEAR as part of the new Forecasting functions, but it's still available for compatibility with earlier versions.

Go to File/Options/Add-Ins and select "Excel Add-ins" in the Manage drop-down box at the bottom, and click Go. 9. To avoid problems, see bold type at the end of this step before starting. Click "Browse", and navigate to C:\Program Files\REFPROP, select REFPROP.xlam and click OK. IMPORTANT: Do not

have many useful functions as for instance plotting the property diagram 10 Jun 2016 manipulate analytical expressions of the objective function or to forum of the author's book "Thermal Engineering studies with Excel, tabulated data were generated in the NIST program REFPROP (http://www.n 00 PLACE ORDER with credit card. excel链接REFPROP属性库的方法基本 EES_REFPROP name should be visible in the Function Info dialog (Options menu) 25 Feb 2013 Equation Solver (EES) and Excel functions, Andrew was the obvious To calculate fluid properties at each state point, REFPROP, a tool 20 Feb 2017 They are given as functions of temperature, pressure, and salinity. properties library routines are available in MATLAB, EES, and Excel VBA. Excel or as a toolbox in MATLAB.

and Ice (March 12, 2009), the ASHRAE Library of Humid Air Psychrometric & Transport Property (LibHuAirProp) Functions, Excel version (FluidEXL) includes

Open REFPROP.xls and save it as an add-in, REFPROP.xla or REFPROP.xlam, in the main REFPROP folder, C:\Program Files\REFPROP. 2. Go to File/Options/Trust Center/Trust Center Settings (button at bottom right). 3. Example: Shows 5 Refprop Categories for Functions.

2017-11-15 A user of REFPROP can enter a parameter of the substance (temperature or pressure, density of the liquid or density of steam at the saturation line), click Enter button and get remaining calculated For more information about the new functions, see Statistical functions (reference) and Math and trigonometry functions (reference). If you're using Excel 2007, you'll find these functions in the Statistical or Math & Trig categories on the Formulas tab. CALL EES_REFPROP('Fluid1+Fluid2', MODE, In1, In2, : Out1, Out2,) EES_REFPROP will return thermodynamic property information for a specified state, which may include molecular weight, saturation property information, transport properties, fugacity or critical properties depending on the value of the parameter MODE. The required inputs and REFPROP is an acronym for REFerence fluid PROPerties. This program, developed by the National Institute of Standards and Technology (NIST), provides tables and plots of the thermodynamic and transport properties of industrially important fluids and their mixtures with an emphasis on refrigerants and hydrocarbons, especially natural gas systems. 2020-08-25 File path to the installation folder for REFPROP or Python package path to the CoolProp PropsSI function. If you are using CoolProp version 6.1.0 or earlier, then InstallPath is the file path to the folder in which the CoolProp MEX files are stored.
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It implements three models for the thermodynamic properties of pure ﬂuids: equations of state explicit in Helmholtz energy, the modiﬁed 2015-09-02 2017-09-01 Load multiple copies of the DLL in memory: You can load multiple copies of the REFPROP dll into memory with the code at https://github.com/usnistgov/REFPROP-manager; Call the REFPROP library (wrappers): Want to call REFPROP from Python, Excel, C#, Labview, etc.? There are wrappers available at https://github.com/usnistgov/REFPROP-wrappers Enthalpy is the function in units of [kJ/kg]. Other functions supported by MiniRefProp include Temperature [K]; Pressure [MPa]; Density [kg m -1 ]; Volume [m 3 kg -1 ]; Quality [-]; Energy [kJ/kg] ( note: REFPROP support on OSX ¶ The refprop dylib (with the correct bitness!), as well as the fluids and mixtures folders of REFPROP should be placed in the folder refprop inside /Users/$ {USER}/Library/Group Containers/UBF8T346G9.Office. Make sure the shared library is called librefprop.dylib.

they are also accessible through spreadsheets or user-written applications accessing the REFPROP dll. REFPROP is based on the most accurate pure ﬂuid and mixture models currently available. It implements three models for the thermodynamic properties of pure ﬂuids: equations of state explicit in Helmholtz energy, the modiﬁed The following outlines the procedure for using REFPROP within any spreadsheet in Office 2007 or 2010: 1.
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Excel CAPE-OPEN Thermo Import is an Excel extension that allows for using Once inserted, the Excel Formula Wizard will allow editing the arguments if

REFPROP is based on the most accurate pure ﬂuid and mixture models currently available. It implements three models for the thermodynamic properties of pure ﬂuids: equations of state explicit in Helmholtz energy, the modiﬁed A user of REFPROP can enter a parameter of the substance (temperature or pressure, density of the liquid or density of steam at the saturation line), click Enter button and get remaining calculated NIST Reference Fluid Thermodynamic and Transport Properties - REFPROP.

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2017-11-15

The VLOOKUP function has always been one of Excel's most powerful functions. It let you s Often when you're using Excel to work with numerical data, you want to determine how certain values in particular cells compare to other values. Often when you're using Excel to work with numerical data, you want to determine how certain va The formula to find the remainder when dividing one number by another in Microsoft Excel is =MOD(first number, second number). For example, =MOD(17,3) retu The formula to find the remainder when dividing one number by another in Microsoft E An outlier is a value that is significantly higher or lower than most of the values in your data. When using Excel to analyze data, outliers can skew the results. For example, the mean average of a data set might truly reflect your values. You can find outliers in Excel data using the built-in function for finding the quartiles of a set of data and a standard formula.