RH (Absolute humidity/water saturation capacity at particular temperature)) 100. Psychrometric chart and how it, psychrometric chart high.Sep 17, 2003. Humid Air Properties - Psychrometrics Excel.
Developed in C++ for maximum speed, thoroughly tested for accuracy License includes 32 bit and 64 bit version of the library Based on the international standard formulation ( IAPWS-IF97) Professional quality, industrial strength software, proven in real world applications For more information on how.The library is fully integrated in Excel, and available functions can be used in the same way as any other Excel function.
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Since " propertyID" is string type it must be enclosed in quotes, see an example below.To download a list of all available functions in the PDF format, switch to the " Downloads" tab and go to a section " Quick reference documents".In order to easily identify functions to be used, function names are formated using the following rules: The third argument " propertyID" specifies which property to calculate, see the "Steam Properties" table below. " all" means valid in all 5 regions as defined by the IAPWS-IF97, see the diagram at the bottom of the page. If you need a royalty free library please refer to the Steam97 ActiveX DLL.Function List in SI and E units - Steam97 Excel Add-In v3.1 # Function NameRegion 1 Sat PXsi Sat PXe p x propertyID saturation 2 Sat TXsi Sat TXe t x propertyID saturation 3 Steam PTsi Steam PTe p t propertyID all 4 Steam PHsi Steam PHe p h propertyID all 5 Steam PSsi Steam PSe p s propertyID all 6 Steam PUsi Steam PUe p u propertyID all 7 Steam PVsi Steam PVe p v propertyID all 8 Steam THsi Steam THe t h propertyID all 9 Steam TSsi Steam TSe t s propertyID all 10 Steam TUsi Steam TUe t u propertyID all 11 Steam TVsi Steam TVe t v propertyID all 12 Steam HSsi Steam HSe h s propertyID all 13 Steam HVsi Steam HVe h v propertyID all 14 Steam USsi Steam USe u s propertyID all 15 Steam UVsi Steam UVe u v propertyID all 16 Steam VSsi Steam VSe v s propertyID all Call Steam97 functions from VBA (samples are included in the release version)The following figure shows a sample spreadsheet included in the download package.Steam97 Excel Add-In - Sample calculations in ExcelThe 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.IAPWS-IF97 improves significantly both accuracy and speed of the calculation of the thermodynamic properties compared with the old formulation.For transport properties calculations are based on the latest internationally accepted equations also available from IAPWS.NOTE:The Steam97 Excel Add-In libraries cannot be shipped to a third party as a part of your VBA application.
Function names ending with si mark functions to be used for calculations in SI Units Next follow two capital letters denoting the first and the second input parameters of a function, for example PT stands for pressure and temperature respectively Functions applicable in all regions, as defined by the IAPWS-IF97, start with Steam
☏) 28 Thermal diffusivity td mm² ⁄ s ft² ⁄ h 29 Prandtl number Pr - 30 Surface tension Sigma mN ⁄ m lbf ⁄ ftTo download a list of all available properties in the PDF format, switch to the " Downloads" tab and go to the section " Quick reference documents".The entire set of equations of the IAPWS-IF97, used by the library for calculation of thermodynamic properties, is defined by the following temperature and pressure range: h) 26 Kinematic viscosity kv mm² ⁄ s ft²/h 27 Thermal conductivity tc W ⁄ (K psi) 24 Joule-Thomson coefficient JTC K ⁄ MPa ☏ ⁄ psi 25 Dynamic viscosity dv µPa lb ⁄ ft³ 23 Isothermal Joule-Thomson coefficient iJTC kJ ⁄ (kg psi) 21 Partial derivative (dP/dT)v dpdt MPa ⁄ K psi ⁄ ☏ 22 Partial derivative (dP/dV)T dpdv MPa ☏) 20 Partial derivative (dV/dP)T dvdp m³ ⁄ (kg
To purchase a Company Wide License contact sales. Credit Card (Visa®, Mastercard®, American Express®, Discover®)To buy a specific number of licenses for the Steam97 Excel Add-In click the button. Each Registered user will be receiving bug fixes and technical support for the registered version within one year.Shipping by the postal mail is not available.Available ordering options (open an order form to select): 1073.15 K < T < = 2273.15 K p < = 50 MPaFig.1 Steam table regions defined in the IAPWS-IF97For quick access to the Steam97 Excel Add-In, you may purchase and download our product using automated and secure online ordering system.After ordering, you will receive a notification mail with further instructions for how to download and install the software.The Registration includes a free subscription program.
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