Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 40 Issue 1
published_at 1989-10

Two-Dimensional Laminar Natural Convection Heat Transfer from a Fully or Partially Open Square Cavity

断熱壁上の正方形凹みに於ける層流自由対流熱伝達の数値解析
Miyamoto Masahide
Katoh Yasuo
Kuehn T. H.
Goldstein R. J.
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Descriptions
Steady laminar natural convection heat transfer in a two-dimensional, partially or fully open square cavity with three equally heated walls and various inclination angles is analyzed numerically. The overall average Nusselt number for a fully open cavity is approximatelly half the previously obtained average Nusselt number for a cavity with a heated back wall and insulated top and bottom walls for the same Rayleigh number. The dimensionless flow rate through the cavity is about twice the flow rate through the cavity with a heated back wall and two insulated walls. The effects of an aperture and cavity orientation, with respect to the direction of gravity, on natural convection heat transfer in the cavity have been clarified.
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