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류종우(J.Ryu),조성권(S.K.Cho),양준모(J.M.Yang),유정열(J.Y.Yoo),최해천(H.Choi),이준식(J.S.Lee) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_2
Numerical and experimental studies are performed to investigate the effect of the underbody shape of the simplified road vehicle on drag and lift. Four different vehicle models with front and rear slanted variations at the lower surface are used in this study. Cases with a slanted underbody surface at front have smaller drag than those without a slanted surface. Also, cases with a slanted underbody surface at rear have smaller lift than those without a slanted surface. Pressure distributions along the model surfaces and velocity fields at the wake region are examined in detail. In general, numerical solutions are in agreement with experimental results.<br/>
버스용 FULL AUTOMATIC TEMPERATURE CONTROL(FATC) 알고리즘 및 시스템 개발
신성국(S. K. Shin),양준모(J. M. Yang),이정호(J. H. Lee) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_2
The air conditioning is defined the process of treating air so as to control simultaneously its temperature. humidity. cleanliness. and distribution to meet the requirements of the conaitioned space. As in the definition. the important actions involved in the operation of an air condition system are temperature and humidity control. air purification and movement. This paper proposes full automatic control system of these conditions for the bus. The system has cool ing. heating and dehumidifying mode. and is governed by dual 8-bit microprocessors. These modes are broken down into sub-modules dealing with control of sub-engine. blower speed, damper position, air purifier, ventilators. preheater, air mixing damper and so on.<br/> <br/>