TITLE AND SUBTITLE:
CAP: A Computer Code for Generating Tabular Thermodynamic Functions from NASA Lewis Coefficients

AUTHOR(S):
Dr.Michael J. Zehe, Sanford Gordon, and Bonnie J. McBride

REPORT DATE:
February 2002

FUNDING NUMBERS:
WU-708-87-13-00

PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
John H. Glenn Research Center at Lewis Field
Cleveland, Ohio 44135-3191

PERFORMING ORGANIZATION REPORT NUMBER:
E-12814-1

SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES):
National Aeronautics and Space Administration
Washington, DC 20546-0001

REPORT TYPE AND DATES COVERED:
Technical Paper

SPONSORING/MONITORING AGENCY REPORT NUMBER:
NASA TP-2001-210959-REV1

SUPPLEMENTARY NOTES:
Responsible person, Dr.Michael J. Zehe, organization code RTM, 216-433-5833.

ABSTRACT:
For several decades the NASA Glenn Research Center has been providing a file of thermodynamic data for use in several computer programs (Gordon and McBride, 1994; McBride and Gordon, 1996; and Radhakrishnan and Bittker, 1994). These data are in the form of least-squares coefficients that have been calculated from tabular thermodynamic data by means of the NASA Properties and Coefficients (PAC) program (McBride and Gordon, 1992). The source thermodynamic data are obtained from the literature or from standard compilations (e.g., Chase, 1998; Gurvich et al., 1989, 1991, 1996; Barin, 1989; and TRC Thermodynamic Tables). Most gas-phase thermodynamic functions are calculated by the authors from molecular constant data using ideal gas partition functions. The Coefficients and Properties (CAP) program described in this report permits the generation of tabulated thermodynamic functions from the NASA least-squares coefficients. CAP provides considerable flexibility in the output format, the number of temperatures to be tabulated, and the energy units of the calculated properties. This report provides a detailed description of input preparation, examples of input and output for several species, and a listing of all species in the current NASA Glenn thermodynamic data file.

SUBJECT TERMS:
Heats of formation; CEA;McBride; Gordon; Thermodynamics; Thermodynamic properties; NASA; NASA Lewis; Specific heat; NASA Glenn; Enthalpy; Entropy; Heat capacity

NUMBER OF PAGES:
82

PDF AVAILABLE FROM URL:
2002/TP-2001-210959-REV1.pdf
( 1,338 KB )


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