한국해양대학교

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해수 열원 열펌프 압축기의 액분사 효과에 대한 실험연구

Title
해수 열원 열펌프 압축기의 액분사 효과에 대한 실험연구
Alternative Title
An Experimental Study of Liquid Injection into the Compressor Cylinder of a Heat Pump Utilizing Sea Water as Heat Source
Author(s)
김선식
Publication Year
2002
Publisher
韓國海洋大學校
URI
http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002174084
http://repository.kmou.ac.kr/handle/2014.oak/10696
Abstract
An experimental investigation on the effect of refrigerant liquid injection into the heat pump compressor on the system performance has been carried out. The heat pump in the present study is designed to draw heat from sea water and equipped with a 3-hp reciprocal compressor. The compressor head cover and valve plate has been machined to accomodate two 0.58 mm-I.D. injection nozzles. When the liquid injection mass is increased up to 7.2 % of the refrigerant mass in the cylinder, the discharge gas temperature drops by 39 K. The liquid injection causes the rise of condensing pressure and accordingly compressor power. The COP, however, increases slightly and then decreases, indicating the existence of an optimum injection rate.
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냉동공조공학과 > Thesis
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000002174084.pdf Download

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