TY - JOUR
TI - Influence of compressor speed on the performance of low pressure vapor-injected refrigeration systems
AU - Li Haijun
AU - Su Zhiyong
AU - Zhao Chaoyue
AU - An Tong
AU - Qin Xingduo
AU - Chen Gang
AU - Gao Jiayang
AU - Zhang Yibo
JN - Thermal Science
PY - 2024
VL - 28
IS - 3
SP - 2043
EP - 2049
PT - Article
AB - For the problems of high compressor discharge temperature and system  performance decay during the operation of cold storage, a parallel flow  heat exchanger based low pressure make-up gas refrigeration system  experimental bench was designed and built, and the changes of refrigeration  system performance were analyzed under different compressor speeds. The  results show that when the compressor speed increases from 2500 rpm to 4500  rpm, the compressor discharge temperature increases, the refrigeration  capacity increases by 39.53% and the compressor power increases by 38.89%,  in addition, as the speed increases, the system COP shows a trend of first  increasing and then decreasing, with the best value of 2.71 at 3500 rpm.