Proceedings of the KSME Conference (대한기계학회:학술대회논문집)

The Korean Society of Mechanical Engineers (대한기계학회)
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Characteristics the Pressure Variations according to the Exhaust Pipe of 4-Stroke Single Engine

4행정 단기통 엔진의 배기관에 따른 압력 변동 특성

  • 이효덕 (경상대학교 대학원 정밀기계공학과) ;
  • 최석천 (경상대학교 대학원 정밀기계공학과) ;
  • 이상철 (경상대학교 대학원 정밀기계공학과) ;
  • 이광영 (경상대학교 기계항공공학부, 해양산업연구소) ;
  • 정효민 (경상대학교 기계항공공학부, 해양산업연구소) ;
  • 정한식 (경상대학교 기계항공공학부, 해양산업연구소)
  • Published : 2004.04.28
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Abstract

In this study, a experimental method has been introduced for the various exhaust pipe geometry of 4-stroke single engine. The main experimental parameters are the variation of exhaust pipe diameters and lengths, to measuring the pulsating flow when the intake and exhaust valves are working, As the results of experimental test, the various exhaust geometry were influenced strongly on the exhaust pressure. As the exhaust pipe diameter was decreased, the amplitude and the number of compression wave in exhaust pressure was increased. According to decreasing pipe diameter, the number of compression wave in exhaust pressure was decreased. When the pipe diameter was increase, the second amplitude was increased.

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