In applications where both speed and accuracy of computation of thermodynamic properties are important and particularly where the independent variables are not those used in Helmholtz equations, direct use of such equations can be excessively time-consuming. This paper introduces the enthalpy-pressure version of the tabular Taylor series (TTSE) method, which has the accuracy and computing speed required for application in power industries. The IAPWS formulation for scientific use, IAPWS-95, was used as the basic Helmholtz equation. The speed and accuracy of the TTSE have been compared with the IAPWS formulation for industrial use, IAPWS-IF97, which has been developed to achieve high-speed calculation with good representation of IAPWS-95 values. Test results show that the TTSE accurately represents the basic equation and that the computation speed is higher than that of IF97.
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July 2001
Technical Papers
Rapid and Accurate Calculation of Water and Steam Properties Using the Tabular Taylor Series Expansion Method
K. Miyagawa,
K. Miyagawa
4-12-11-628 Nishiogu, Arakawa-ku, Tokyo 116-0011, Japan
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P. G. Hill
P. G. Hill
Department of Mechanical Engineering, University of British Columbia, Vancouver V6T 1Z4, Canada
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K. Miyagawa
4-12-11-628 Nishiogu, Arakawa-ku, Tokyo 116-0011, Japan
P. G. Hill
Department of Mechanical Engineering, University of British Columbia, Vancouver V6T 1Z4, Canada
Contributed by the Power Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received by the Power Division July, 2000; final revision received by the ASME Headquarters Feb. 2001. Editor: H. D. Nelson.
J. Eng. Gas Turbines Power. Jul 2001, 123(3): 707-712 (6 pages)
Published Online: February 1, 2001
Article history
Received:
July 1, 2000
Revised:
February 1, 2001
Citation
Miyagawa, K., and Hill, P. G. (February 1, 2001). "Rapid and Accurate Calculation of Water and Steam Properties Using the Tabular Taylor Series Expansion Method ." ASME. J. Eng. Gas Turbines Power. July 2001; 123(3): 707–712. https://doi.org/10.1115/1.1367340
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