Experimental Research on Waste-Heat Recovery Heat
 Pump System in Electric Vehicles

doi:10.16183/j.cnki.jsjtu.2019.04.011

Abstract

Abstract: A set of waste-heat recovery heat pump system is designed for electric vehicles, which includes two parts absorbing the waste heat from battery and motor. The generation rule of waste heat from battery and motor is analyzed and the waste heat recovery heat pump system is tested. The results showed that with the speed change of electric vehicle, battery cooling is increasing rapidly, which increases the waste heat; when waste-heat recovery heat pump system operates at 2℃, maximum heat transfer can be increased to 3797W, the range of coefficient of performance (COP) is 1.82-2.43, and the increase of waste heat can meet the heating requirements; when the temperature drops to -7℃, maximum heat transfer can be increased to 2407W, the range of COP is 1.56-2.63, and the air temperature is 13.2℃, but the system still needs to provide additional heat source to meet the heating requirements.

Key words: electric vehicle, heat pump system, waste-heat recovery

CLC Number:

TK 123

LI Ping,GU Bo,MIAO Menghua. Experimental Research on Waste-Heat Recovery Heat Pump System in Electric Vehicles[J]. Journal of Shanghai Jiaotong University, 2019, 53(4): 468-472.

References

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Experimental Research on Waste-Heat Recovery Heat Pump System in Electric Vehicles

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