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Analysis of Heat Evolution in the Course of Injection Process in a Displacement Compressor

  • COMPRESSORS, PUMPS, AND PIPELINE FITTINGS
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Chemical and Petroleum Engineering Aims and scope

An expression for determining the volume of heat evolution during the injection process in a displacement compressor is obtained on the basis of the first law of thermodynamics. It is theoretically proved that if the density of the working body is constant during the injection process, the temperature also remains constant and the volume of heat evolutionis zero. From a numerical experiment it is established that, based on the Newton–Rikhman hypothesis, for a piston compressor the quantity of heat released throughconvective heat transfer in the injection process is several times greater than in the compression process. The influence of the ratio between the injection pressure and the suction pressure and the average surface temperature of the cylinder-piston group on the relationship between the volume of heat evolution in the compression process and in the injection process is analyzed.

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References

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Authors and Affiliations

  1. Omsk State Technical University, Omsk, Russia

    V. Е. Shcherba

Authors
  1. V. Е. Shcherba
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  2. V. V. Shalai
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  3. I. P. Zaloznov
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Corresponding author

Correspondence to V. Е. Shcherba.

Additional information

Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 55, No. 4, pp. 29−32, April, 2019.

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Shcherba, V.Е., Shalai, V.V. & Zaloznov, I.P. Analysis of Heat Evolution in the Course of Injection Process in a Displacement Compressor. Chem Petrol Eng 55, 312–319 (2019). https://doi.org/10.1007/s10556-019-00620-x

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  • DOI: https://doi.org/10.1007/s10556-019-00620-x

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