A Stirling engine incorporating a phase-changing component of the working fluid has been modeled with the assumption that the compression and expansion space are adiabatic, and that the heat exchanger consists of a cooler, regenerator, and heater of finite size where the fluid follows an idealized temperature profile. Differential equations for the rate of change of mass in any cell and pressure over the entire engine were derived from the energy, continuity, state equations, and Dalton’s law. From the simultaneous solution of these equations, all of the information necessary for calculation of power output and efficiency were obtained. Comparison of the results from this model with previous studies shows that the advantage of adding a phase-changing component to the working fluid may have been overstated.
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October 1988
Research Papers
Model of TPTC Stirling Engine With Adiabatic Working Spaces
D. A. Renfroe,
D. A. Renfroe
Department of Mechanical Engineering, University of Arkansas, Fayetteville, AR 72701
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M. Counts
M. Counts
Department of Mechanical Engineering, University of Arkansas, Fayetteville, AR 72701
Search for other works by this author on:
D. A. Renfroe
Department of Mechanical Engineering, University of Arkansas, Fayetteville, AR 72701
M. Counts
Department of Mechanical Engineering, University of Arkansas, Fayetteville, AR 72701
J. Eng. Gas Turbines Power. Oct 1988, 110(4): 658-663 (6 pages)
Published Online: October 1, 1988
Article history
Received:
January 31, 1986
Online:
October 15, 2009
Citation
Renfroe, D. A., and Counts, M. (October 1, 1988). "Model of TPTC Stirling Engine With Adiabatic Working Spaces." ASME. J. Eng. Gas Turbines Power. October 1988; 110(4): 658–663. https://doi.org/10.1115/1.3240187
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