The Proceedings of the Symposium on Stirlling Cycle
Online ISSN : 2424-2926
2000.4
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Using Supercritical Heat Recovery Process in Stirling Engine for High Thermal Efficiency
Zhaolin GUHaruki SATOXiao FENG
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 47-50

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Abstract
A Stirling engine with a single multi-phase working fluid for getting high specific power and high thermal efficiency is thermodynamically studied and proposed. The Stirling engine with supercritical heat recovery process can decrease the high-pressure level of working fluid from common gaseous Stirling engines. The thermal efficiency with three different working fluids of (SF)_6,C_3H_8 and R125 is calculated and the calculated thermodynamic efficiency is found to sufficiently approach the Curzon and Ahlborn efficiency that is drawn from entropy generation minimization of power cycle.
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© 2000 The Japan Society of Mechanical Engineers
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