D210 炭素繊維ブラシが伝熱管周りの熱伝導に及ぼす影響(オーガナイズドセッション14 : 固・液相変化を伴う熱・物質移動及び流動の基礎と応用)

概要

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In this study, the effect of carbon fiber brushes on conductive heat transfer around heat transfer tubes is discussed. The experimental apparatus imitates a part of a heat exchanger. The transient thermal responses in the thermal energy storage material are measured. Numerical simulation is also carried out for the anisotropic conduction caused by the brushes. Carbon fiber brushes enhance remarkably the conductive heat flow in the thermal energy storage material. Transient thermal responses improve with an increase of the brush diameter db until d_b, reaches the distance between outer tube walls l_p'. Numerical results are good agreement with the experimental results.
社団法人日本機械学会の論文
2001-11-03