A Turbulent Cylindrical Wall Jet Equipped with a Front-Facing Step Impinging Normally on a Flat Plate
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概要
- 論文の詳細を見る
This is an experimental study of a turbulent cylindrical wall jet that issues from an annular nozzle, flows along a cylindrical wall and finally impinges normally on a flat plate. In order to disturb the flow near the wall and to control the thickness of the wall shear layer, a front-facing step is equipped at an arbitrary location on the cylindrical wall. This type of jet flow has properties characterized by a pressure increase and boundary layer growth in the downstream direction, so that the flow separates from the cylindrical wall and reattaches to the impingement plate. This report mainly concerns the effects on the separation and reattachment properties of the flow with various nozzle-step distances and step-impingement distances. Mean velocity and static pressure on the cylindrical wall were measured. The flow patterns in the x-y plane normal to the cylindrical wall in the region near the step and before the impingement plate were obtained by the mean flow vectors and the flow visualization by an oil film method. The results show that the flow patterns can be classified into three main types.
- 一般社団法人日本機械学会の論文
- 2003-05-15
著者
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Tanaka Toshio
Department Of Respiratory Medicine Allergy And Rheumatic Disease Osaka University Graduate School Of
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Islam A.
Graduate School Of Engineering Gifu University
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Islam A.t.m.
Graduate School Of Engineering Gifu University
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Kozato Yasuaki
Department Of Mechanical And Systems Engineering Gifu University
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IMAO Shigeki
Department of Mechanical and Systems Engineering, Gifu University
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Imao S
Department Of Mechanical And Systems Engineering Gifu University
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Tanaka Toshio
Department Of Cardiology Matsusaka Central General Hospital
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Tanaka Toshio
Department Of Mechanical And Systems Engineering Gifu University
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Tanaka Toshio
Department Of Biomedical Laboratory Sciences Graduate School Of Health Sciences Tokyo Medical And De
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Tanaka Toshio
Department Of Applied Physics Faculty Of Engineering Tokyo University
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Ialam A.
Graduate School of Engineering, Gifu University
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Tanaka Toshio
Department of Applied Chemistry, Faculty of Engineering, Osaka Univeristy
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