THERMODYNAMIC PERFORMANCE ANALYSIS OF DEDICATED MECHANICALLY SUBCOOLED VAPOUR COMPRESSION REFRIGERATION SYSTEM

被引：10
|
作者：
Agarwal, S. [1 ]
Arora, A. [1 ]
Arora, B. B. [1 ]
机构：
[1] Delhi Technol Univ, Dept Mech Engn, Delhi 110042, India
来源：
JOURNAL OF THERMAL ENGINEERING | 2019年 / 5卷 / 04期
关键词：
VCR; Subcooling; COP; R1234ze; R1234yf; Exergetic Efficiency; Dedicated; R134a; EXERGY ANALYSIS; ENERGY; CYCLE;
D O I：
10.18186/thermal.581741
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this work, the thermodynamic analysis of dedicated mechanically subcooled vapour compression refrigeration system is presented. A software based computer program in EES has been formulated for computation of the performance results. The effect of vacation of degree of subcooling (5-30 degrees C), evaporator temperature (-20 to 10 degrees C) and condenser temperature (30-50 degrees C) has been investigated for energetic and exergetic performance of the system. The analysis of the system has been carried out using zero ODP and very low GWP (1 to 4) refrigerants viz.HFO-R1234ze and R1234yf to compare the performance of HFC-R134a. The results depicts that the COP and exergetic efficiency of dedicated subcooled VCR cycle are better than that of simple VCR cycle. Refrigerant R1234ze performs better than R1234yf and comparable to R134a.
引用
收藏
页码：222 / 236
页数：15
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