Note on the efficiency of thermal machines at a finite rate of expansion

L.J.F. Broer

doi:10.1007/BF03184659

Note on the efficiency of thermal machines at a finite rate of expansion

L.J.F. Broer

Applied Physics and Science Education

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Abstract

By using the methods of gas dynamics the work done during expansion of an infinite mass of gas at finite speed is calculated. For the case that this speed is small compared with the speed of sound it is verified by an explicit calculation that this process will raise the entropy of the gas by the amount required by thermodynamics. In the last section some remarks on the expansion of a finite mass of gas are made.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	Applied Scientific Research, Section A : Mechanics, Heat, Chemical Engineering, Mathematical Methods
Volume	4
Issue number	1
DOIs	https://doi.org/10.1007/BF03184659
Publication status	Published - 1953

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abstract = "By using the methods of gas dynamics the work done during expansion of an infinite mass of gas at finite speed is calculated. For the case that this speed is small compared with the speed of sound it is verified by an explicit calculation that this process will raise the entropy of the gas by the amount required by thermodynamics. In the last section some remarks on the expansion of a finite mass of gas are made.",

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AB - By using the methods of gas dynamics the work done during expansion of an infinite mass of gas at finite speed is calculated. For the case that this speed is small compared with the speed of sound it is verified by an explicit calculation that this process will raise the entropy of the gas by the amount required by thermodynamics. In the last section some remarks on the expansion of a finite mass of gas are made.

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M3 - Article

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JO - Applied Scientific Research, Section A : Mechanics, Heat, Chemical Engineering, Mathematical Methods

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Note on the efficiency of thermal machines at a finite rate of expansion

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