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Chemical and Process Engineering Resources

ChE Links from Dr. Bernhard Spang


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Multimedia Engineering Thermodynamics

Multimedia engineering book about thermodynamics, uses Flash and Director Shockwave plugins.


ChemicaLogic SteamTab Companion

A free Windows 9x/NT application for the thermodynamic and transport properties of water and steam, based on the IAPWS-95 formulation.



Water and steam properties calculation program for Windows. Shareware.



Construction and analysis of thermodynamic cycles, freeware for educational purposes, Win 95/NT and higher or WfW 3.11 with Win32, 3 MB to download.



Free but limited online access to the FactSage thermochemical software and the Fact compound databases.


Virtual Laboratory: Thermodynamic Equilibrium

From the University of Oregon, online experiments (Java applet) demonstrating the diffusion process which occurs when gases of different temperatures are mixed.


Steam Tables for Industrial Use

Online calculation of properties of water and steam using the IAPWS-IF97 formulation.


Chemical Engineering Mathcad Users' Group

Web site for MathCAD users to share worksheets that perform calculations useful in Chemical Engineering. The programs contributed to this site are freely accessible to the public for personal use.


NIST/ASME Steam Properties Database

Provides water properties over a wide range of conditions based upon the IAPWS 1995 formulation for general and scientific use; Microsoft Windows 95/98/2000 or NT 3.51 or higher; online purchase possible.



Commercial Windows based tool for the application of Computational Thermochemistry in a wide range of fields.



From MKS, Inc., Windows property estimation software. 20 physical properties for pure compounds and mixtures. Commercial but there's a free Lite version which can be downloaded after completing a form.


Steam Tables

From WinSim, free DOS programs and a DLL for calling from Win32 programs based on the 1967 ASME steam tables.



Program for simulation and least-squares fitting of chemical kinetic data. Freeware. Registration optional.



Database and estimation tool for chemical and physical properties of pure substances. Fully functional 14-day trial version for Windows 9X/NT/ME/2000 available for download (12 MB).


Thermodynamics Online Help

From Taftan Data, tutorial in MS Windows help format (138 kB) covering the laws of thermodynamics, heat engines, turbines, heat exchangers, energy, power, heat, and the basic properties of pure fluids.


Thermo Utilities

From Taftan Data, MS Excel add-ins for design, analysis, and optimization of power plants and air conditioning systems. Demo available.


Prode Properties

Dynamic Link Library (DLL) with procedures for calculating thermodynamic and transport properties that can be used from various spreadsheets or Visual Basic, C, C++ programs. Evaluation copy available after registration.


DIPPR 801 Database

Extensive database of pure component property data on industrially-important chemical compounds. Web site gives information about format and pricing as well as a sample of the web interface.


Psychrometric Calculator

Online calculation of the properties of moist air in SI units (Java). There's also a version with English units.


Energy Conversion

From Engineering Software, Windows based software package for calculation of thermodynamic and transport properties as well as analysis of power cycles and compressible flow, demo available.



Software for modeling reactions of chemical, combustion, nuclear, biological, atmospheric and many other processes.


CODATA Key Values for Thermodynamics

Table with internationally agreed values for the standard enthalpy of formation at 298.15 K, the entropy at 298.15 K, and the change of enthalpy between 0 and 298.15 K of key chemical substances.


Lecture Notes on Thermodynamics

Jon Lee's lecture notes on the first law of thermodynamics, PVT behavior of pure substances, flow processes and heat capacity, and reversible and irreversible processes.


REACT for Windows

Chemical kinetics program for the simulation and modeling of chemical mechanisms, MS Windows, free 30 day trial license available.


Air and Exhaust Gas Properties

Calculation of enthalpy, entropy, heat capacity, and density for given temperature and pressure, shareware for MS Windows, 380 kB to download.