Performance analysis of the ejector-vapour compression refrigeration cycle

被引：20

作者：

Yari, M. ^{[1
]}

Sirousazar, M. ^{[2
]}

机构：

[1] Univ Mohaghegh Ardabili, Dept Mech Engn, Fac Engn, Ardabil 179, Iran

[2] Univ Mohaghegh Ardabili, Dept Chem Engn, Fac Engn, Ardabil 179, Iran

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY | 2007年 / 221卷 / A8期

关键词：

ejector-vapour compression cycle; internal heat exchanger; intercooler; coefficient of performance; second law;

D O I：

10.1243/09576509JPE484

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In the current paper, a new configuration of the ejector-vapour compression refrigeration cycle was presented, which uses an internal heat exchanger and intercooler to enhance the performance of the cycle. The theoretical analysis on the performance characteristics was carried out for this new cycle based on the first and second laws of thermodynamics. The effects of the evaporative and condenser temperatures on the coefficient of performance (COP), second law efficiency, exergy destruction rate and entrainment ratio were investigated. The exergy analysis is employed in order to identify the amounts and locations of the irreversibility within the cycles. It was found that the COP and second law efficiency values of the new ejector-vapour compression refrigeration cycle are on average 8.6 and 8.15 per cent higher than that of the conventional ejector-vapour compression refrigeration cycle with R125. It was also shown that the COP of the new ejector-vapour compression cycle is 21 per cent higher than that of the conventional vapour. compression.

引用

页码：1089 / 1098

页数：10

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