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Second law of thermodynamics in application to refrigeration cycles. 4. Numerical analyses of refrigeration cycles.

Druga zasada termodynamiki w analizie obiegów lewobieznych. 4. Analizy liczbowe obiegów ziebniczych idealny obieg Carnota. Nieodwracalny obieg ziebniczy Rankine a. Obieg Lindego.

Author(s) : NANOWSKI D.

Type of article: Article

Summary

This is the fourth part of the article consisting of five parts dealing with non-conventional thermodynamic analysis of the refrigeration cycles. On the basis of the second law of thermodynamics the refrigeration cycle has been described by means of the differences of entropy and appropriate works as effects of irreversible processes. Basic thermodynamic relationships useful for the analysis of the cycles have been presented in the first part of the paper. In the second part the basic quantities characterizing of the refrigeration cycles such as: work of the cycle, Gouy-Stodola relationship and exergy efficiency have been presented. In the third part of the paper real thermal impact of working medium and heat sources in Carnot cycle of heat pump as well as an effect of refrigerant subcooling have been presented. In the present part the numerical analysis of the thermal efficiency for ideal Carnot cycle as well as non-reversible Rankine and Linde cycles have been presented. See also the Bulletin of the IIR, references 2006-1077 and 1079.

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Pages: 190-193

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  • Original title: Druga zasada termodynamiki w analizie obiegów lewobieznych. 4. Analizy liczbowe obiegów ziebniczych idealny obieg Carnota. Nieodwracalny obieg ziebniczy Rankine a. Obieg Lindego.
  • Record ID : 2006-2187
  • Languages: Polish
  • Source: Technika Chlodnicza i Klimatyzacyjna - vol. 13 - n. 5
  • Publication date: 2006

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