Journal of ILASS-Korea (한국분무공학회지)

Institute for Liquid Atomization and Spray Systems-Korea (한국분무공학회)
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Study on the Characteristics of Piston Friction Losses for Fuel Injected Mass and Oil Temperature in a Gasoline Engine

가솔린 엔진에서 연료 분사량 및 오일 온도에 따른 피스톤 마찰손실 특성 연구

  • 강종대 (한양대학교 융합기계공학과) ;
  • 조진우 (현대자동차 엔진기능시험1팀) ;
  • 박성욱 (한양대학교 기계공학부)
  • Received : 2022.09.07
  • Accepted : 2022.09.21
  • Published : 2022.09.30
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Abstract

To measure the change in friction loss due to the control of fuel mass and oil temperature in a gasoline engine, the floating liner method was used to measure the friction generated by the piston of a single-cylinder engine. First, to check the effect of combustion pressure on friction, the friction loss was measured by adjusting the fuel mass. It was confirmed that the friction loss increased as the fuel mass increased under the same lubrication conditions. In addition, it was confirmed that the mechanical efficiency decreased as the fuel mass increased. Next, to check the effect of lubrication conditions on friction, the friction loss was measured by controlling the oil temperature. It was confirmed that friction loss increased as the oil temperature decreased at the same fuel mass. As the oil temperature decreases, the viscosity increases, resulting in decreased mechanical efficiency and increased friction loss.

Keywords

Acknowledgement

본 논문은 현대자동차 그룹과 '2022년도 4단계 두뇌 한국21 사업(4단계 BK21사업)'의 지원으로 작성되었습니다. 아낌없는 지원에 감사드립니다.

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