MD2-2: Gas Flow Evaluation in the Cylinder of a 4-stroke Motored Engine by Means of LDA(MD: Measurement and Diagnostics,General Session Papers)
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概要
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A series of experiment of the in-cylinder flow measurement has been carried out by using a laser Doppler anemometer (LDA). The purpose of the study is for making standard database of the flow structure of in-cylinder flow. The database can be used for the verification of the numerical simulation. The velocity components of vertical- and swirl-directions are measured individually. The test engine made by Fuji heavy industrial has transparent sapphire cylinder for optical access. The test condition is 600 rpm with motoring condition. The mean velocity maps are indicated by using ensemble averaged data with crank angle window of 1 degree. The rms velocity is also calculated from the data. The flow structure by each crank angle can be clarified. In addition, the effect of tumble generation valve (TGV) on the flow structure is also evaluated.
- 2008-07-28
著者
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OBOKATA Tomio
Department of Mechanical System Engineering, Gunma University
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Kato Masaaki
Department Of Cardiovascular Surgery Morinomiya Hospital
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ISHIMA Tsuneaki
Department of Mechanical Engineering, Gunma University
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KANEKO Makoto
Fuji Heavy Industries Ltd.
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Obokata Tomio
Department Of Mechanical System Engineering Gunma University
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Ishima Tsuneaki
Department Of Mechanical System Engineering Gunma University
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YOKOTA Hirohito
Department of Mechanical System Engineering, Gunma University
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Yokota Hirohito
Department Of Mechanical System Engineering Gunma University
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Kato Masaaki
Department Of Mechanical System Engineering Gunma University
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