垂直平行平板の自然対流による放熱実験

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タイトル別名
  • Heat Transfer due to Natural Convection from Parallel Vertical Plates
  • スイチョク ヘイコウ ヘイバン ノ シゼン タイリュウ ニ ヨル ホウネツ ジッケン

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The heat dissipation from two parallel plates vertically held in free air is experimentally studied. From the Schlieren photos taken under various conditions of S (spacing of two plates) and ΔT (temperature difference between the heated surface and environment), the temperature gradients over the surface are evaluated and the local heat transfer coefficients : αx are calculated. An experimental formula representing the mean Nusselt number is obtained.[numerical formula] for [numerical formula] where [numerical formula] H : height of plate. The physical properties at the wall temperature are considered. A comparison is made between the result of this work and the experimental works of Kennard and Elenbaas.

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