Abstract
THE discover of the interchangeability of heat and mechanical work has been followed by progressive efforts to attain the maximum ratio for the efficney Qf conversion of the former into the latter. It is significant of the limitations which attach to such coiwersion, and the remoteness of a complete solution, that after a century of progress are still striving to express this efficiency as the ratio of a ratio. This reflection is suggested on perusal of the report recently issued by the Committee of Heat Engine Trials under the auspices of the Institution of Civil Engineers, one of the objects of which is to determine a suitable standard of performance, which shall have a known efficiency ratio, and to express the actual perform-ance of an engine as a ratio thereof.
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Standards of Performance of Heat Engines. Nature 120, 698–699 (1927). https://doi.org/10.1038/120698a0
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DOI: https://doi.org/10.1038/120698a0