디젤분사기 형상에 따른 분무 특성 비교Spray Characteristics from Diesel Common Rail Injectors with Different Geometries

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The characteristics of spray diesel injected into the cylinder provide crucial clues to the expectation of the combustion performance in a compression ignition engine. In this study, five different diesel common rail injectors were examined which have different hole number, jet cone angle, and hydraulic flow rates. Both the macroscopic and microscopic characteristics of diesel sprays were compared through Mie-scattered light imaging and PDA (Phase-doppler anemometry) measurements. The main parameters for the analysis of each spray are spray tip penetration, dispersion angle, and droplet size distribution. As a result, six hole injector was found to give better air/fuel mixing and favorable droplet size compared with other injectors.
Publisher
한국자동차공학회
Issue Date
2006-11
Language
KOR
Citation

한국자동차공학회 2006년 추계학술대회 , pp.285 - 290

URI
http://hdl.handle.net/10203/152288
Appears in Collection
ME-Conference Papers(학술회의논문)
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