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한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제7권 제7호
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    초록·키워드

    Many researchers have developed the measurement technique of in-cylinder flow. Recently. there are lots of studies on steady flow with different SCV geometries. In this study the flow characteristics of four-valve cylinder head were examined in a steady test rig for different SCV open ratios. Each swirl ratio of several SCV angle was quantified by swirl impulse meter and 2D-LDV measurement. The results showed that the swirl ratio was controlled between 2.3 and 3.8 based on SCV angles. The velocity distributions of in-cylinder flow field were measured by 2-D LDV test and visualized swirl and tumble flow pattern at different positions. In this engine, we found out that the swirl was dominant flow.

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      UCI(KEPA) : I410-ECN-0101-2009-556-013988094