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Investigation of the component exergy efficiencies of a two stage vapour compression cycle

Date

2018

Author

Seyitoğlu, Sertaç Samed
Kılıçarslan, Ali

Metadata

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Citation

Seyitoğlu, S. S., Kılıçarslan, A. (2018). Investigation of the component exergy efficiencies of a two stage vapour compression cycle. International Journal of Exergy, 27(1), 43-61.

Abstract

The exergy efficiencies of the components (compressor I and II, condenser, evaporator and flash tank) of a two stage vapour compression refrigeration cycle were analysed with respect to evaporator and condenser temperatures for various refrigerants such a R1234ze, R1234yf, R236fa, R227ea and R134a. In the analysis, a computer program was developed by means of engineering equation solver (EES). The exergy efficiencies of components such as the evaporator, condenser, flash tank and compressor I increased while the exergy efficiency of compressor II decreased for the refrigerants used in the cycle for the evaporator temperatures ranging between -30°C to 0°C. The exergy efficiencies of the components such as compressor I and II increased while the exergy efficiency of condenser decreased, and the exergy efficiency of the evaporator stayed almost constant for the refrigerants used in the cycle for the condenser temperatures ranging between 40°C and 55°C. For all refrigerants, the highest exergy efficiencies (around 0.99) were obtained in the flash tank of the cycle while the lowest ones (around 0.15) were obtained in the condenser. © 2018 Inderscience Enterprises Ltd.

Source

International Journal of Exergy

Volume

27

Issue

1

URI

https://doi.org/10.1504/IJEX.2018.093899
https://hdl.handle.net/11491/1715

Collections

  • Makale Koleksiyonu
  • Scopus İndeksli Yayınlar Koleksiyonu
  • WoS İndeksli Yayınlar Koleksiyonu



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