http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김태완(T.W. Kim),원영호(Y.h. Won) 한국자동차공학회 2000 한국자동차공학회 지부 학술대회 논문집 Vol.- No.-
Most gasoline engines employ a port injection system to achieve the better fuel-air mixing. A part of injected fuels adheres to the wall or intake valve and forms a film of liquid fuel. The other is secondarily atomized by the spray-wall interaction. A better understanding of this interaction will help in designing injection systems and control the strategies to improve engine performance and exhaust emissions.<br/> In the present research, the spray-wall interaction was investigated by laser sheet visualization method, the shape of sprays was pictured at various impinging velocities and angles. The fuel dispersion was estimated by fluorescence light, and the atomization was evaluated by the enlarged images of droplets.<br/> The experimental results were compared with model predictions which are based on OPT and TAB method. The models have been modified to have the better agreement with the experimental results, and are implemented in the KIVA-II code.