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다기통 전기점화기관의 균질혼합기 공급에 관한 연구 - 연소특성에 미치는 영향 -
김물시,이용길,박경석 대한기계학회 1994 대한기계학회논문집 Vol.18 No.8
In an automotive spark ignition engine, it is important to form the proper mixture (air/fuel) on each driving condition for developing the stabilizing combustion and exhaust characteristics. Since most of supply fuel si attached on the inside wall of the intake manifold for unadequate nonuniformity of fuel distribution to each cylinder and mixture variation. Also it affects engine performance variation and causes noises and vibration. In this study, we verified the effect of the mixture variation which is caused by fuel liquid film in the intake manifold on combustion characteristics and engine performance.
S.I. 엔진의 써모스텟인자가 엔진 냉각수온도에 미치는 영향
김물시,원종필,박경석 慶熙大學校 大學院 1993 高凰論集 Vol.12 No.-
This paper reviews the need for engine cooling to maintain stable working and engine performance. It is well known that the quantity of emissions, fuel consumption and torque are affected by engine temperature for an automotive engine. Coolant temperature is measured at some locations. Parameters which are necessary for the optimum design of thermostat to maintain the best engine performance are determined. And factors that cause coolant temperature unstable are determinded. The duration of hunting phenomenon(unstable coolant temperature variation) is studied.