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The study on the operating characteristics of heat pump in ventilation heat recovery system can point out the way of improvement for heat pump in this application. An experimental platform was set to conduct a comprehensive study on the heat pump ventilation heat recovery system in winter conditions. The results show that under the experimental conditions, the system pressure ratio, power input and refrigerant mass flow rate decrease with the decrease of outdoor temperature; the recovered heat, temperature effectiveness and COP (coefficient of performance) increase with the decrease of outdoor temperature. Increasing the mass flow rate of the system can be an effective way to improve the performance of heat pump type ventilation heat recovery system.
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Details
- Original title: Operating characteristics of heat pump type ventilation heat recovery system in winter.
- Record ID : 30026445
- Languages: English
- Source: Proceedings of the 25th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Publication date: 2019/08/24
- DOI: http://dx.doi.org/10.18462/iir.icr.2019.0415
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Indexing
- Themes: Heat pumps techniques
- Keywords: Winter; Ventilation; Temperature variation; Heat recovery; Heat pump; Expérimentation; COP
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