Performance Analysis of a Two Stage Vapor Compression Refrigeration Cycle offering two cold temperatures

被引：0

作者：

Mbarek, Wafa Halfaoui ^{[1
]}

Khir, Tahar ^{[2
]}

Ben Brahim, Ammar ^{[3
]}

机构：

[1] Univ Gabes, Natl Engn Sch Gabes, Gabes, Tunisia

[2] Univ Gabes, Higher Inst Appl Sci & Technol, Gabes, Tunisia

[3] Univ Gabes, Natl Engn Sch Gabes, Gabes, Tunisia

来源：

2014 5TH INTERNATIONAL RENEWABLE ENERGY CONGRESS (IREC) | 2014年

关键词：

refrigeration; configuration; R134a; performance; simulation; CO2;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, a new two stage vapor compression refrigeration cycle is investigated. At this cycle, both the vapor compression and expansion processes are done at two stages. This system, designed to offer two cold temperatures in order to store two categories of food, works with R134a as a refrigerant. To enhance its performance, a heat exchanger and a flash separator are integrated in this cycle. The aim of this study is to find the optimal operating point corresponding to the best performance by studying several design and operating parameters. So that, a simulation program based on the first and second laws of thermodynamics was developed and a coefficient of performance of 3.5 was obtained.

引用

页数：6

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