Experimental Analysis of Capillary Tube in a Vapor Compression Refrigeration System

Authors

  • A. D. Badgujar

Abstract

Abstract

A capillary is an essential deice of a vapor compression refrigeration system. It is used to reduce the condenser pressure to evaporator pressure. The refrigerant is expanded enthalpically, the reduction in pressure also reduces corresponding saturation temperature. This paper presents the analysis of expansion device accounting for three different sizes of capillary tubes. The investigations are carried out for different length of capillaries measuring 3, 3.5 and 4 m respectively and diameter of 1 mm each. Maximum COP obtained is 3.18 for the operating pressure. The setup of experimental equipment is done to verify the COP data obtained from the calculation. The results found that from the theoretical analysis and experiment, COP was changing in a direction same as the length of the capillary tube. When the capillary tube length is higher, COP values tend to be higher.

Keywords: Vapor compression refrigeration system, capillary tube, COP

Cite this Article

Badgujar AD. Experimental Analysis of Capillary Tube in a Vapor Compression Refrigeration System. Journal of Refrigeration, Air conditioning, Heating and Ventilation. 2016; 3(1): 32–34p.


 

Published

2016-04-25

Issue

Vol. 3 No. 1 (2016)

Section

Articles

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