A Numerical Study on the Temperature Field of a R290 Hermetic Reciprocating Compressor with Experimental Validation

Conference Year

2018

Authors

Rui Wu, Xi'an Jiaotong University, Xi’an, ChinaFollow
Bei Guo, Xi'an Jiaotong University, Xi’an, ChinaFollow
Jinliang Tuo, Xi'an Jiaotong University, Xi’an, ChinaFollow
Yu Zhang, Xi'an Jiaotong University, Xi’an, ChinaFollow
Xiaole Chen, School of Energy and Power Engineering, Xi’an Jiaotong University, ChinaFollow
Ruixin Zhou, Xi'an Jiaotong University, Xi’an, ChinaFollow

Keywords

R290, reciprocating compressors, numerical simulation, temperature experiment, temperature field

Abstract

A numerical model to predict the temperature field in a R290 hermetic reciprocating compressor is presented in this work. The control volume method and the lumped parameter method are used in the simulation. The compressor is divided into 6 control volumes, including the suction muffler, the cylinder, the discharge chamber, the discharge muffler, the discharge pipe and the shell. The system of non-linear equations is formed of the energy balance equations of every control column. The temperature field is derived by solving the equations. To valid the numerical model accurately, temperature experiment has been carried out in 3 same-type hermetic reciprocating compressors using R290 as working fluid. The simulation result shows a good agreement compared with the experiment.