한국자동차공학회논문집 (Transactions of the Korean Society of Automotive Engineers)
- 제6권6호
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- Pages.132-141
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- 1998
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- 1225-6382(pISSN)
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- 2234-0149(eISSN)
고분해능 이색 PIV를 이용한 가솔린 엔진 연소실내 난류의 공간적 해석
Spatial Analysis of Turbulent Flow in Combustion Chamber using High Resolution Dual Color PIV
초록
Particle image velocimetry(PIV), a planar measuring technique, is an efficient tool for studying the complicated flow field such as in-cylinder flow, and intake port flow. PIV can be also used for analyzing the integral length scale of turbulence, which is a measure of the size of the large eddies that contain most of the turbulence kinetic energy. In this study, dual color scanning PIV was designed and demonstrated by using a rotating mirror and a beam splitter. This PIV system allowed enlargement of flexibility in the intensity of vectors to be calculated by spatial filtering technique, even in combustion chamber with high velocity gradient and high vorticity