Heat Transfer from Wall to Particles Bed in a Rotary Drum

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  • 回転炉内における炉壁から粒子層への伝熱
  • カイテンロナイ ニ オケル ロヘキ カラ リュウシソウ エ ノ デンネツ

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Batch experiments with respect to transient heat transfer were done by using a rotary drum, externally heated by a sheathed heater, in order to obtain overall heat transfer coefficients from the drum wall to the particles bed.<BR>It was found that the heat transfer resistance near the wall, which could be neglected in the previous reports, must be taken into account. An empirical equation for estimating the overall heat transfer coefficient is presented semi-theoretically.

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