실린더헤드 형상에 따른 정상유동 특성Steady Flow Characteristics of Four-Valve Cylinder Heads

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dc.contributor.authorBae, Choongsik-
dc.contributor.authorJeong, K-S.-
dc.date.accessioned2009-09-01T05:29:22Z-
dc.date.available2009-09-01T05:29:22Z-
dc.date.issued1995-
dc.identifier.citation한국자동차공학회지 1995년 추계학술대회논문집, pp.46-53en
dc.identifier.urihttp://www.ksae.org/-
dc.identifier.urihttp://hdl.handle.net/10203/10903-
dc.description.abstractThe flow characteristics of five different 4-valve cylinder heads were investigated in a steady flow fig using laser-Doppler velocimetry. The tumble flow of each head with pentroof combustion chamber was quantified by nondimensional tumble number using a tumble adapter. The formation of tumbling vortex was examined in an optical single-cylinder engine which has windows for in-cylinder LDV measurements. Tumble vortex ratio was estimated from the tumble flow measurement. The four-valve cylinder heads with pent-roof combustion chamber showed the tumble vortex from the intake process, which was investigated in the steady flow test. The tumble adaptor which converts the tumble into swirl flow was found to be feasible in predicting the tumble flow in the real engine. The tumble strength in the steady flow test coincides with that in the real engine experiment within 15%. It was found that the steady flow test on the four-valve cylinder heads provides the tip for a better design of cylinder headen
dc.language.isokoen
dc.publisher한국자동차공학회en
dc.subject정상유동en
dc.subject레이저 도플러 유속계측정en
dc.subject4-밸브 실린더헤드en
dc.subject텀블 어댑터en
dc.subject텀블수en
dc.subject광학 단기통 가솔린엔진en
dc.title실린더헤드 형상에 따른 정상유동 특성en
dc.title.alternativeSteady Flow Characteristics of Four-Valve Cylinder Headsen
dc.typeArticleen
dc.language.Alternativeen_USen
dc.subject.alternativesteady flowen
dc.subject.alternativeLDV measurementen
dc.subject.alternativefour-value cylinder headsen
dc.subject.alternativetumble adaptoren
dc.subject.alternativetumble numberen
dc.subject.alternativeoptical single-cylinder SI engineen
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