Second-law analysis of two-stage vapour compression refrigeration plants
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Títol
Second-law analysis of two-stage vapour compression refrigeration plantsAutoria
Data de publicació
2010Editor
InderscienceISSN
1742-8297; 1742-8300Cita bibliogràfica
International Journal of Exergy (2010) vol. 7, no. 6, p. 641- 653Tipus de document
info:eu-repo/semantics/articleParaules clau / Matèries
Resum
This paper describes a Second Law Analysis based on experimental data of a two-stage vapour compression facility driven by a compound compressor for medium and low-capacity refrigeration applications, which operates ... [+]
This paper describes a Second Law Analysis based on experimental data of a two-stage vapour compression facility driven by a compound compressor for medium and low-capacity refrigeration applications, which operates with the most usual inter-stage configurations (direct liquid injection and subcooler). The experimental analysis is performed for an evaporating temperature range between –36oC and –20oC and for a condensing temperature range between 30oC and 47oC using the refrigerant R-404A. The final results are compared with energy analysis from previous works. Additionally, a new criterion of equivalence between the simple vapour compression cycle and the two-stage compression cycle is given. [-]
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