- Journal of Thermal Engineering
- Vol: 8 Issue: 2
- Numerical analysis of a two-phase injection refrigeration cycle using R32
Numerical analysis of a two-phase injection refrigeration cycle using R32
Authors : Praveen Alok, Debjyoti Sahu
Pages : 157-168
Doi:10.18186/thermal.1077857
View : 12 | Download : 7
Publication Date : 2022-03-11
Article Type : Research
Abstract :The present paper reports the performance of a popular refrigerant R32 (Difluoromethane, CF2H2) experiencing the two phase injection process. Two phase injection process may lower the discharge temperature of a multistage compressor. In order to investigate the role and impact of two-phase injection on a compressor, a Scroll compressor is selected because scroll compressor has high tolerance for liquid refrigerant. A reputed compressor is chosen where all the operating conditions and specifications are available in public domain. The modelling and analysis of refrigeration system is carried out using a simple MATLAB code. Around 200 iterations were performed for four different condensing and evaporating temperatures. The maximum reduction in discharge temperature is found to be 44°C when compared to R410A used in the same system.Keywords : R32, Two-phase Injection, Discharge temperature, Scroll Compressor, R32, Two-phase Injection, Discharge temperature, Scroll Compressor