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Energy-saving effect of utilizing recirculated air in electric vehicle air conditioning system.

Author(s) : PAN L., LIU C., ZHANG Z., et al.

Type of article: Article, IJR article, Case study

Summary

The stock of electric vehicle is booming recently. However, the range of the electric vehicle is still a main barrier in its adoption. Air conditioning system is the second largest energy consumption device on vehicle, which will cause significant range reduction during operation. In this paper, the energy-saving effect of utilizing the recirculated air in air conditioning system is evaluated. The outside air ventilation rate based on CO2 limits and windshield anti-fog requirements are calculated, and the energy-saving effect of this strategy in 30 cities across China is evaluated using an annual energy consumption model. It is found that utilizing the recirculated air can save 14–46% heating energy when using PTC heater, and 33–57% heating energy in heat pump AC system. Throughout a year, utilizing the recirculated air can extend the driving range by 11–30%.

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Pages: 122-129

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Details

  • Original title: Energy-saving effect of utilizing recirculated air in electric vehicle air conditioning system.
  • Record ID : 30025866
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 102
  • Publication date: 2019/06
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2019.03.018

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