1 实验装置和实验方法
1.1 实验装置
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-670fe522f3297790a7e8fbc1dcad6aa6.jpeg)
Figure 1 Experimental diagram of air source heat pump system
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-cdf3e1cf47b7b78862ee279b523fcf72.jpeg)
1.2 实验工况和方法
2 实验结果分析
2.1 结霜
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-1975b24d9946aeb6399fc2b71d9ed034.jpeg)
Figure 2 Frost formation diagram of evaporator
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-b54bd5668f59d686fd08c6e59d261769.jpeg)
Figure 3 Model of evaporator
2.2 除霜
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-619e6f3c295d577352c8a2d875449a41.jpeg)
Figure 4 Defrosting change of
outdoor heat exchanger
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-68ec1972ff81e1ba607dfb78a10942a6.jpeg)
Figure 5 Refrigerant flow in evaporator
during defrosting
2.3 迎面风速对除霜特性的影响
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-b3f108f1d6f10f37824c49ddf08de934.jpeg)
Figure 6 Relationship between defrosting
time and evaporator head wind speed
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-f2c1f8978b992d0e9098c65cb59984e4.jpeg)
Figure 7 Relationship between intake and exhaust
pressure of compressor with defrosting time
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-231646336e80ebaa8982774a1c4369d2.jpeg)
Figure 8 Variation of compressor power
consumption with defrosting time
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-bf60617a14838d6e26de058b44f9de71.jpeg)
Figure 9 Variation of inlet and outlet temperature of
outdoor heat exchanger with defrosting time
![迎面风速对电动汽车热泵系统蒸发器除霜特性影响的实验研究](https://www.yueuk.com/wp-content/uploads/2021/12/frc-1f846ac06f7a97470d6a172849e0db5f.jpeg)
Figure 10 Variation of HVAC outlet air
temperature with defrosting time
3 结论
作者:杨忠诚, 苏 林, 方奕栋, 李 康, 穆文杰, 刘旭阳
上海理工大学 能源与动力工程学院
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