Analyses of Characteristics of Flow Patterns and Heat Transfer in Corrugated-wall Duct.

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  • 三角波形流路内の流動・伝熱特性に関する研究
  • サンカク ハケイ リュウロ ナイ ノ リュウドウ デンネツ トクセイ ニ カンスル ケンキュウ

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Abstract

The influence of the passage spacing of an installed corrugated wall duct on the flow and heat transfer characteristics was analyzed. First of all, a corrugated wall duct of the corrugation angle, θ=45°, was constructed. Then, flow visualization and flow characteristic measurements were conducted. Following this, a numerical simulation was performed for the same conditions. The factors, which influenced the characteristics of the flow in the corrugated wall channel, were clarified according to the results. Especially, a main factor, which determined the flow characteristic of the channel, was confirmed to be the passage spacing. Therefore, the influence of the passage width exerted on the heat transfer characteristics was confirmed by the experiment. Using this result the correlation between the flow and heat transfer characteristics were derived.

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