Steam CalculatorSteam Calculator

Excel add-in to calculate steam properties from a wide range of available input parameters: enthalpy, entropy, phase, pressure, quality, temperature subcool, temperature superheat.

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WinUM Converter

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Steam Calculator 2.0 released on June 06, 2008

Steam Calculator 2.0 was released today.
This new release introduces several fixes and enhancements, such as: extended regions, region determination, new functions, new properties, new features, and enhanced user interface.

Extended regions
In version 2.0 the range applicability was extended from critical pressure up to 100 MPa, and for high temperatures from 800ºC to 2000ºC up to 50 MPa, including supercritical fluid region (3) and high temperature vapor region(5), extending to high pressure the liquid (1) and vapor (2) region.
IAPWS Regions
Region determination
Region panel has been added, this shows the region according to the inputs.

New functions
New functions have been added, and all the existing functions were extended. Basic function SCTP works for the whole range, saturation functions SCTX and SCPX works only for the saturation line (4), while all other functions works for the whole range except region 5. Backward functions SCPH, SCPS, SCHS are directly computed, while other functions SCPU, SCPV, SCTH, SCTS, SCTU, SCTV solves iteratively for pressure or temperature.

New properties
18 new properties have been added to the list: : Density, Internal Energy, Isobaric Heat Capacity, Isobaric Heat Capacity, Specific volume, Speed of Sound, Thermal Conductivity, Viscosity, Surface Tension, Helmholtz Free Energy, Gibbs Free Energy, Compressibility Factor, Isothermal Compressibility, Joule-Thompson Coefficient, Isothermal Joule-Thompson, Thermal Expansion Coefficient, Prandtl Number and Static Dielectric Constant. All these properties can be calculated from the basic equations.

New features - Find Formulas
Find Formulas is a feature that helps the user to search for Steam Calculator formulas in the current worksheet or workbook.

Enhanced user interface
For MS Excel 2007 the Steam Calculator ribbon is added under ChemGoodies tab.

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