A generalized expression for power is derived using as an example an arbitrary refrigerating machine capable of cooling and thermostatic control of external bodies or cooling and liquefying a through flow of gas, and the dependence of this power on external conditions, the type of problem to be solved, and the rate of generation of entropy in individual processes is analyzed. The structure of the ideal cycle and the required equipment for a concrete problem may be evaluated through the use of the resulting expression. The ideal cycle is evaluated for the case of a heat-utilizing refrigerating machine in which the warming heat-transfer agent changes its temperature substantially, an objective performance efficiency indicator of such a machine is proposed, and an analytic expression of the maximum refrigerating capacity is obtained.
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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 10, pp. 17–22, October, 2015.
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Kolosov, M.A. Theorem of Ideal Cycles of Refrigerating Machines. Chem Petrol Eng 51, 674–682 (2016). https://doi.org/10.1007/s10556-016-0104-x
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DOI: https://doi.org/10.1007/s10556-016-0104-x