Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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The Effect of Cooling Fan Control on Fuel Economy of City Bus

냉각팬 전자제어를 통한 시내버스의 연비 개선

  • Kim, Kibok (Department of Mechanical Engineering, Ajou University) ;
  • Park, Jinil (Department of Mechanical Engineering, Ajou University) ;
  • Lee, Jonghwa (Department of Mechanical Engineering, Ajou University) ;
  • Park, Kyoungseok (Department of Mechanical System Engineering, Kumoh National Institute of Technology)
  • 김기복 (아주대학교 기계공학부) ;
  • 박진일 (아주대학교 기계공학부) ;
  • 이종화 (아주대학교 기계공학부) ;
  • 박경석 (금오공과대학교 기계시스템공학과)
  • Received : 2011.07.21
  • Accepted : 2013.07.08
  • Published : 2013.11.01
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Abstract

This paper focuses on cooling fan control by using a magnetic clutch type for the improvement of fuel economy on a heavy city bus. In general, Heavy duty vehicles use viscous clutch type cooling fan which has some disadvantages, such as slow response, wide temperature variation of engine coolant water. But a magnetic clutch type cooling fan can be controlled electronically so the engine coolant temperature can be precisely controllable and this effects could be used to reduce fuel consumption. A control system for applying the magnetic clutch type cooling fan was developed in this study and applied to the real field test and chassis dynamometer test. The result showed well controlled coolant temperature and enhancement of fuel economy.

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References

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