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반능동형 배기머플러의 배압특성 및 엔진성능에 미치는 영향
박대언(Daiun Park),박경석(Kyoungsuk Park),박세종(SeJong park),손성만(Sungman Son) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.5_1
Recently, Automobile manufacturers regarding stability, economic environmental-friendly problems by the development of the road, supply of the automobile, environmental problem as designing the exhaust system. Increasingly strict environmental regulations to lower fuel consumption and reduce emission. Also to reduce the noise and the vibration of the automobile. According to develop variable type muffler, dual muffler and active intelligence exhaust system unit. Improvement in engine performance and fuel consumption rate demand information of pressure fraction and heat characteristics. To be able to determine these factor for we experiment on each case of exhaust system unit. In this study, how back pressure is distributed in flow-through adapted semi-active muffler in exhaust system and components.and how to design muffler flexibleness, efficiency, lower back pressure and optimal performance. This study furnish basic data for engineers, technicians.
박대언(Daiun Park),박경석(Kyungsuk Park),박세종(Sejong Park),손성만(Sungman Son) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_1
The muffler to reduce the exhaust noise and vibration from engine influence on the engine performance. Recently, exhaust variable valve setting up in the muffler controls the backpressure in the exhaust system. And the backpressure variation according to the exhaust variable valve opening develop the engine performance.<br/> First, the preceding of structural analysis is needed and simulation experiment is requested for the study on the design factor to influence on the operation of the exhaust variable valve.<br/> In this study, setting up the various variables according to each composition element needed tor the structural analysis of the exhaust variable valve, it is experimented the analysis on the influence of each design factor with the calculation of stress distribution and the displacement to cause about the back pressure for the valve through parameter study.
반능동형 배기머플러가 배압특성 및 엔진성능에 미치는 영향
박대언(Daiun Park),박경석(Kyoungsuk Park),박세종(Sejong Park),손성만(Sungman Son),한창평(Changpyung Han) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
Automobile manufacturers regarding stability, economic environmental-friendly problems by the development of the road, supply of the automobile, environmental problem as designing the exhaust system. Increasingly strict environmental regulations to lower fuel consumption and reduce emission. Also to reduce the noise and the vibration of the automobile. According to develop variable type muffler, dual muffler and active intelligence exhaust system unit. Improvement in engine performance and fuel consumption rate demand information of pressure fraction and heat characteristics. To be able to determine these factor for we experiment on each case of exhaust system unit. In this study, how back pressure is distributed in flow-through adapted semi-active muffler in exhaust system and components.and how to design muffler flexibleness, efficiency, lower back pressure and optimal performance. This study furnish basic data for engineers, technicians.
박경석(Kyoungsuk Park),박세종(Sejong Park),박대언(Daiun Park),손성만(Sungman Son) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
It is necessary to consider the stability, economic environmental-friendly problems by the development of the road, supply of the automobile, environmental problem as designing the exhaust manifold system. To reduce the noise and the vibration of the automobile. The need for stricter regulation limits emission and demand for lower fuel comsumpion. According to develop variable type muffler, dual muffler and active intelligence exhaust system unit. Improvement in engine performance and fuel consumption for demand information of pressure fraction and heat characteristics. To be able to determine these factor for we experiment on each case of exhaust system unit. <br/> In this study, in order to establish the optimized conditions design factors which are taking many performance as the variable valve, it shows how the standard performance and the additional element of the exhaust manifold system effects on the engine performance.
아이들링時 排氣시스템의 排壓特性이 엔진性能에 미치는 影響
박경석(Kyoungsuk Park),박세종(Sejong Park),박대언(Daiun Park),손성만(Sungman Son) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
It is necessary to consider the stability, economic environmental-friendly problems by the development of the road, supply of the automobile, environmental problem as designing the exhaust manifold system. To reduce the noise and the vibration of the automobile, it is needed to consider the pulsation noise, air current noise, vibration of air pipe which generate the intake and exhaust noise of the automobile. Moreover, the discharge sound, intake sound, radiation sound, transmitted sound are occurred. To reduce this influence, the variable valve is needed and to control these factor, path transformation muffler and active type muffler are needed. But engine efficiency could be reduced with this transformation, and resistance by the pressure, thermal property. In this study, in order to establish the optimized conditions design factors which are taking many performance as the variable valve, it shows how the standard performance and the additional element of the exhaust manifold system effects on the engine performance.