流体机械2024，Vol.52Issue(7)：15-23,9.DOI:10.3969/j.issn.1005-0329.2024.07.003
涡旋压缩机排气孔流动特性研究
Study on the flow characteristics of discharge port of a scroll compressor
摘要
Abstract
In order to investigate the influence of the discharge port structure on the performance of the scroll compressor with short profile,a three-dimensional transient numerical model of scroll compressor with the displacement of 38 cm3 was established and verified with a deviation within 9.5%.The effects of the size and shape of the discharge port of the compressor were investigated separately.The results show that when the shape of discharge port is circular,with the increase of the port diameter from 5.2 mm to 9.0 mm,the compressor power consumption decreases by 5.82%.The total mass flow rate grows by 1.09%.The pressure fluctuation and the pressure unbalance between the upper chamber and lower chamber are enhanced obviously during the discharge process;When kidney,arc and composite shapes of discharge port are applied,compared with the 5.2 mm circular port,the compressor power consumption decreases to a certain extent,the total mass flow rate grows somewhat,and the pressure fluctuation and the pressure unbalance between the upper chamber and lower chamber do not change significantly.When the shape of discharge port is composite,the compressor power is reduced by 5.81%,and the mass flow rate is raised by 1.26%;Compared with the mass flow rate,the change of the discharge port has more significant impact on the power consumption.The study results can provide reference for optimizing the discharge port structure of scroll compressors.关键词
短型线涡旋压缩机/排气孔结构/流动特性/能耗/数值仿真Key words
short profile scroll compressor/discharge port/flow characteristic/energy consumption/numerical simulation分类
机械制造引用本文复制引用
夏阳,金公羽,史宇超,姜子琪,田雅芬,李康,张华..涡旋压缩机排气孔流动特性研究[J].流体机械,2024,52(7):15-23,9.基金项目
国家自然科学基金项目(52206016,51206022) （52206016,51206022）
浙江省电力有限公司科技项目(5211HZ230009) （5211HZ230009）
