COP/exergy analysis of a heat pump coupled with scroll compressor systems at different wintry ambient temperatures

Norouzi, Mahdi; Ghazikhani, Mohsen

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دوره 11، شماره 3 - ( پاییز 1403 )

جلد 11 شماره 3 صفحات 103-91

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COP/exergy analysis of a heat pump coupled with scroll compressor systems at different wintry ambient temperatures

Mahdi Norouzi^*

¹، Mohsen Ghazikhani²

1- Department of Mechanical Engineering, Larestan University, Lar, Iran ، norozi347@yahoo.com
2- Department of Mechanical Engineering, School of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran

چکیده: (14 مشاهده)

In this work, the COP/exergy analysis of a Heat Pump System Coupled with a Scroll Compressor (HPSCSC) is investigated. The experimental data was used to analyse the energy/exergy of HPSCSC at different Relative Intermediate Pressure (RIP) and wintry temperature to make clear the optimum operating condition based on more COP and extra capability. Moreover, an Energy Input Capacity (EIC) was defined to suggest the optimum operating of the system. The investigation of irreversibility in the components of the heat pump shows that the most important losses are generated in the Compressor (65-80%) and the condenser (12-15%).Also, the results confirm that even at very low ambient temperatures (-15^oC) -where the COP drops-, the use of less RIP leads to an acceptable EIC and improvement in COP. The results further indicated that when the RIP exceeds 1.2, the energy transfer from the condenser remains relatively constant across various winery temperatures. Furthermore, in this study, a relation for the optimum RIP against wintry ambient temperature for an acceptable EIC and higher COP has been presented, which falls between 1.1 and 1.5.

واژه‌های کلیدی: heat pump coupled with scroll compressor systems، wintry ambient temperatures، exergy analysis، COP، Relative Intermediate Pressure

متن کامل [PDF 730 kb] (11 دریافت)

نوع مطالعه: پژوهشي | موضوع مقاله: ترمودینامیک
دریافت: 1403/6/25 | پذیرش: 1403/9/10 | انتشار: 1403/9/10

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RefWorks

Norouzi M, Ghazikhani M. COP/exergy analysis of a heat pump coupled with scroll compressor systems at different wintry ambient temperatures. تبدیل انرژی 2024; 11 (3) :91-103
URL: http://jeed.dezful.iau.ir/article-1-514-fa.html

Norouzi Mahdi، Ghazikhani Mohsen. COP/exergy analysis of a heat pump coupled with scroll compressor systems at different wintry ambient temperatures. مهندسی مکانیک تبدیل انرژی. 1403; 11 (3) :91-103

URL: http://jeed.dezful.iau.ir/article-1-514-fa.html

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دوره 11، شماره 3 - ( پاییز 1403 )

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