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Thermodynamic properties of water from SAFT and CPA equations of state: A comprehensive assessment by Ivo Nezbeda; Martin Klajmon; Jan Hrubý is a Chemical Engineering article available to read on EtoBox.
What is Thermodynamic properties of water from SAFT and CPA equations of state: A comprehensive assessment about?
The performance of eight versions of the representative and most commonly used Statistical-Association-Fluid-Theory (SAFT) equations of state for water along with the Cubic-Plus-Association (CPA) equation are examined in detail both throughout the entire liquid phase region and at supercritical conditions. In addition to the temperature-pressure dependence of density, the fundamental response functions, namely, isothermal compressibility, isobaric expansivity, and isobaric heat capacity, have been evaluated and compared with experimental data along five isobars from P 1⁄4 0:1 MPa up to 1000 MPa, and along four isotherms within the range from 300 K to 750 K. It turns out that to draw a general conclusion on the quality and accuracy of these equations (for pure water) is practically impossible with different equations reproducing reasonably well different properties and at different thermodynamic conditions but failing in other instances. In general, the equations seem to be able to capture simple pressure dependence at isothermal conditions but fail primarily in estimating isobaric properties. All the equations (i) tend to perform reasonably well at pressures above the critical one
Who reads Thermodynamic properties of water from SAFT and CPA equations of state: A comprehensive assessment?
It is typically read by researchers, students, and practitioners in Chemical Engineering.
- Author
- Ivo Nezbeda; Martin Klajmon; Jan Hrubý
- Publisher
- Elsevier BV
- Published
- 2022
- Language
- EN
- Field
- Chemical Engineering (Physical Sciences)