Abstract
IN a paper on Carnot's Cycle and the Efficiency of Heat Engines, reported in NATURE, August 29, Dr. J. S. Haldane comes to the astonishing conclusion that “the Carnot cycle is radically in efficient” and gives a cycle of operations which has convinced him that the maximum efficiency of a heat engine is 50 per cent. Prof. A. W. Porter has already dealt with this claim in its more general aspects (NATURE, October 3), but it may be of interest to calculate directly the efficiency of Haldane's cycle and compare it with that of a Carnot cycle working between the same temperature limits.
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BUTLER, J. Carnot's Cycle and the Efficiency of Heat Engines. Nature 116, 607–608 (1925). https://doi.org/10.1038/116607a0
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DOI: https://doi.org/10.1038/116607a0
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