The Experimental Investigation on the Transpiration Cooling

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概要

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• In this paper, the effectiveness and the coefficient of heat transfer with the transpiration of distilled water and air across the porous plate are discussed. The conditions selected for the experiments were as follows : Velocity of bulk flow is 5〜35 m/sec Temperature of bulk flow is 100〜600℃ Mass flow ratio is 0.05〜10% From this investigation the following conclusions have been obtained : 1) Water is more excellent than air as coolant and the difference in cooling effect between air and water is considerable in the range of little mass flow ratio, 2) Nusselt number with transpiration of water is larger than that for solid plate and Nusselt number increases with the mass flow ratio in our experimental investigation, 3) Nusselt number with transpiration of water is nearly in proportion to R_6^<4/5> for the constant mass flow ratio.

• 一般社団法人日本機械学会の論文

著者

• Kikkawa Shinzo

  Faculty Of Engineering Doshisha University

• NAKATANI Yukimasa

  Faculty of Engineering, Doshisha University

• Nakatani Yukimasa

  Faculty Of Engineering Doshisha University

関連論文

• The Experimental Investigation on the Transpiration Cooling
• The Experimental Investigation on Transpiration Cooling : 3rd Report, The Case Using Dry Saturated Vapor or Superheated Vapor as a Coolant
• Investigation on the Boundary Layer with Combustion : 1st Report, Laminar Boundary Layer Theory on a Flat Plate (the Transactions of the Japan Society of Mechanical Engineers) : Papers published in the Bulletin of the JSME are not included here
• Research on the Pneumatic Conveyance of Densely Concentrated Solid Particles in a Horizontal Pipe
• The Investigation on the Secondary Flow Induced by Jets : 1st Report, The Case of Double Submerged Jets
• On the Pressure Drop and Clogging Limit in the Horizontal Pneumatic Conveyance Pipe
• The Experimental Investigation on the Transpiration Cooling : (2nd Report, Coolling Effectiveness and Heat Transfer Performance of Gaseous Coolant)
• Fundamental Investigation on the High Intensity Combustion : 1st Report, On the Local Combustion Efficiency in an Upright Combustion Chamber
• The Experimental Investigation on the Combustion of a Carbon Globule in a Gas Stream

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