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김성훈(Sunghun Kim),권용준(Yongjun Kwon),고필규(Pilkyu Ko),정연욱(Yeonuk Jung) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Noises from diesel engine are the major issues for noise pollution as well as affect customers’ purchasing needs to vehicles powered by diesel engine. This study investigates to screen-out main factors that contribute to noises from diesel engine using VGT 2000㏄ engine developed recently. Changes of fuel temperature, intake temperature and the presence of three way catalyst don’t affect the ‘Engine Radiation Noise’ and the solely three way catalyst influence on the ‘Tail Pipe Noise’. Especially, there are no effects of the presence of three way catalyst on torque, which is main subject that should be considered in secondary study.