Fluid-solid coupling numerical simulation for the performance prediction and valve dynamic analysis of a rotary compressor

被引：10
|
作者：
Deng, Wen-Juan [1 ]
Zhang, Ying-Ii [1 ]
Zhu, Zhi-Peng [1 ]
Yue, Xiang-Ji [1 ]
Ba, De-Chun [1 ]
Che, Shu-Gang [1 ]
机构：
[1] Northeastern Univ, Sch Mech Engn & Automat, 3-11 Wenhua Rd, Shenyang 110819, Liaoning, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2019年 / 233卷 / 19-20期
关键词：
Rotary compressor; fluid-structure interaction; dynamic grid method; reed valve; performance; MODEL; BEHAVIOR;
D O I：
10.1177/0954406219868500
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To predict the performance of a rotary compressor and study the dynamic coupling characteristics of the valve, a three-dimensional dynamic model of the compressor is constructed in this paper. The model adopts the fluid-solid interaction method and the dynamic grid technique to achieve coupled reed valve motion. Meanwhile, to solve the problem of grid deformation caused by large deformation of the valve plate, a user-defined dynamic grid method is used to realize grid updating in the deformed area based on computational fluid dynamics method and the ideas of spring smoothing method. The model is validated with a cooling capacity error of 6.07% and an indicated power error of 2%. The stress, the displacement, the velocity and the pressure of the valve is analyzed. The flow characteristics and the dynamic characteristics of the valve plate obtained provide a reference for the design of the compressor.
引用
收藏
页码：6928 / 6938
页数：11
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