Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Performance of Non-starting Conditioning System using Thermoelectric Modules for Hybrid Heavy Trucks

대형 하이브리드 트럭용 열전 무시동 공조시스템 성능 연구

  • Park, Kyungmin (Project Planning Team, Jeonbuk Institute of Automotive Technology)
  • 박경민 ((재)전북자동차기술원 사업기획팀)
  • Received : 2013.06.11
  • Accepted : 2013.08.25
  • Published : 2013.10.31
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Abstract

To reduce vehicle fuel consumption due to not only driving but also air conditioning, battery-operated non-starting conditioning systems with thermoelectric modules and without mechanical elements like compressors are being manufactured for use by hybrid heavy trucks in the near future. In this study, the voltage and current consumed by a thermoelectric module were measured to determine the required battery power, and the performance of the conditioning system with air temperature, and humidity of the inlet/outlet modules and inside/outside the cabin for a truck, was evaluated using experimental apparatus under actual conditions. The results showed that, the thermoelectric module can be continously operated for about 1.5 h using existing 24 V batteries. The coefficent of performance(COP) of the cooling and heating modes was calculated to be an average 0.8-1.32. As expected, the heating performance was 30% more efficient than the cooling performance, which is general characteristic of thermoelectric modules.

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References

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