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Actual Efficiency of Piston Machines

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Journal of Engineering Physics and Thermophysics Aims and scope

A thermodynamic analysis has been performed for the operation of piston machines using ideal and real gases as a working body in direct and inverse Carnot cycles. An interrelationship has been established between the fugacity coefficient of the working body (real gas) and the efficiency of a piston thermal machine. Calculating formulas have been obtained for identifying the dependence of the efficiency of such machines on the characteristics of their working body. Verification has been conducted for the proposed method of thermodynamic potentials and the relations obtained on its basis connecting the actual efficiency of a thermal machine with the fugacity coefficient of its working body.

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Authors and Affiliations

  1. Institute of Energy, St. Petersburg Peter the Great Polytechnical University, 29 Politekhnicheskaya Str, St. Petersburg, 195251, Russia

    V. G. Kiselev, A. A. Kalyutik & I. D. Naletov

Authors
  1. V. G. Kiselev
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  2. A. A. Kalyutik
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  3. I. D. Naletov
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Corresponding author

Correspondence to A. A. Kalyutik.

Additional information

V. G. Kiselev is deceased.

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 95, No. 3, pp. 583–593, May–June, 2022.

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Kiselev, V.G., Kalyutik, A.A. & Naletov, I.D. Actual Efficiency of Piston Machines. J Eng Phys Thermophy 95, 570–580 (2022). https://doi.org/10.1007/s10891-022-02513-y

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  • DOI: https://doi.org/10.1007/s10891-022-02513-y

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