Experimental optimization and investigation of compressor cooling fan in an air-to-water heat pump

Faraz Afshari, Bayram Sahin, Ataollah Khanlari*, Eyüphan Manay

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Heat pumps are seen as a highly efficient promising technology for space heating and cooling. Their efficiency has been widely studied for different types of heat pumps operating with various energy sources including air, ground, and water. However, different components of the heat pump need to be closely investigated to improve the performance of the system. This study surveys the effects of compressor cooling fan, to evaluate how a heat pump system behaves at different fan speeds. Refrigerant R134a has been used as a circulating fluid in the system. The results obtained from detailed experiments are analyzed to optimize the performance of the entire system using a compressor cooling fan, considering COP, P-h diagrams, efficiency, and thermodynamic properties. It is concluded that cooling the compressor has a remarkable effect on the thermodynamic state of refrigerant which leads to a positive influence not only on the compressor efficiency but also on the entire heat pump unit.

Original languageEnglish
Pages (from-to)319-331
Number of pages13
JournalHeat Transfer Research
Volume51
Issue number4
DOIs
Publication statusPublished - 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020 by Begell House, Inc.

Funding

This project was supported by Erzurum Technical University. The authors gratefully acknowledge the support of this study.

FundersFunder number
Erzurum Technical University
Erzurum Teknik Üniversitesi

    Keywords

    • Compressor
    • Convection heat transfer
    • COP
    • Fan
    • Heat pump

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