1981•Proceedings of the National Academy of SciencesOpen access

Some heat engine cycles in which liquids can work

P. C. Allen, D. N. Paulson, J. C. Wheatley

Abstract

Liquids can work in heat engine cycles that employ regeneration. Four such cycles are discussed: Stirling, Malone, Stirling-Malone, and Brayton. Both regeneration and the role of the second thermodynamic medium are treated, and the principles are verified by quantitative measurements with propylene in a Stirling-Malone cycle.

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Key concepts: Stirling engine, Brayton cycle, Stirling cycle, Work (physics), Heat engine, Thermodynamic cycle, Thermodynamics, Environmental science