Research Article

Experimental Study of the Gas Engine Driven Heat Pump with Engine Heat Recovery

Table 1

GEHP experimental parameters.

ParameterValue

(1) The effect of engine speed experiment
 Engine speed (r/min)1400, 1600, 1800, and 2000
 Ambient temperature (°C)3
 Condenser water flow rate (m3/h)8.53
 Condenser water inlet temperature (°C)40
(2) The effect of ambient temperature experiment
 Engine speed (r/min)1800
 Ambient temperature (°C)3, 7.2, and 11.8
 Condenser water flow rate (m3/h)8.53
 Condenser water inlet temperature (°C)40
(3) The effect of condenser water flow rate experiment
 Engine speed (r/min)1800
 Ambient temperature (°C)3
 Condenser water flow rate (m3/h)7.58, 8.53, and 9.47
 Condenser water inlet temperature (°C)40
(4) The effect of condenser water inlet temperature experiment
 Engine speed (r/min)1800
 Ambient temperature (°C)3
 Condenser water flow rate (m3/h)8.53
 Condenser water inlet temperature (°C)38, 40, and 42
 Evaporation pressure (MPa)0.36~0.44
 Condensation pressure (MPa)2.04~2.13
 Evaporation air inlet temperature (°C)3
 Waste heat exchanger water inlet temperature (°C)71.7~72.9
 Waste heat exchanger R407c inlet temperature (°C)−1.9~−5.2
 Exhaust gas heat exchanger exhaust gas inlet temperature (°C)
  Cylinder heat exchanger exhaust gas outlet temperature (°C)
165.8~185.9
 Exhaust gas heat exchanger exhaust gas outlet temperature (°C)49.0~51.3
 Exhaust gas heat exchanger water inlet temperature (°C)65.2~67.5
 Exhaust gas heat exchanger exhaust gas outlet temperature (°C)
  Cylinder heat exchanger exhaust gas inlet temperature (°C)
67.7~69.1
 Cylinder heat exchanger exhaust gas outlet temperature (°C)72.5~72.8