Abstract
To enhance the heating performance of the air source heat pump (ASHP) system in the low ambient temperature surroundings, the triple-sleeve energy exchanger (TRESE) for space heating mode was proposed. The running stability and the coefficient of performance (COP) of the energy storage heat pump system (ESHP) in the TRESE heating mode, the TRESE combined ASHP system heating mode, and the solar hot water assisting TRESE heating mode, were compared and discussed. The results demonstrate the substantial advance in the heating performance of the ESHP system in the TRESE heating mode and the ASHP system heating mode. For instance, when the temperature and volume flow of the solar hot water are 28℃ and 300 L/h, respectively, the evaporating temperature and COP achieves -2.8℃ and 2.8 respectively.
| Original language | English |
|---|---|
| Pages (from-to) | 121-127 |
| Number of pages | 7 |
| Journal | Hunan Daxue Xuebao/Journal of Hunan University Natural Sciences |
| Volume | 42 |
| Issue number | 7 |
| State | Published - 25 Jul 2015 |
Keywords
- Heating COP
- Performance during the low ambient temperature surroundings
- Triple-sleeve energy exchanger
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