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A novel air-source heat pump system with integrated desiccant for electric vehicles.

Number: pap. n. 293

Author(s) : ZHANG L., HASHIMOTO K., HASEGAWA H., et al.

Summary

In this study, we proposed a novel air-source heat pump system with integrated desiccant for electric vehicles (EVs), in which the heat pump absorbs atmospheric thermal energy to heat the cabin and the desiccant dehumidifies the cabin interior to prevent windshields from fogging up. The proposed system can reduce the amount of incoming fresh air needed and the cabin heat demand, consequently saving on the electricity consumption of batteries. The calculation results show that compared to conventional EV heat pumps, the cabin heat load and compressor electric power of the proposed system decline by 42 and 38% at an ambient air temperature of -20°C. Furthermore, the defrosting process of the proposed system saves electricity, since it utilizes the adsorption heat of the desiccant.

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Pages: 8

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Details

  • Original title: A novel air-source heat pump system with integrated desiccant for electric vehicles.
  • Record ID : 30026440
  • 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.2019.0293

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