Suppression Effect of Various Waster of Fabrics on Convective Heat Transfer in Enclosure.

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  • 種々の繊維製品屑による密閉空間の対流抑制効果
  • シュジュ ノ センイ セイヒン クズ ニ ヨル ミッペイ クウカン ノ タイリュウ ヨクセイ コウカ

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Abstract

The applicability of various fibrous wastes such as textile fabrics, non-woven fabrics and fishing net as insulating material in the enclosure filled with a liquid containing fibrous wastes was investigated. The heat transfer rates were measured in the enclosure bounded by vertical isothermal walls at different temperatures and filled with the waste and pure water.The polyester fiber was used for the experiments as a representative synthetic fiber. The void ratio in the enclosure with fibrous waste was varied in the wide range. The permeability of fibrous wastes was also measured to discuss the heat transfer rate in detail. It was clarified that the configuration of the fibrous waste affected largely on the heat transfer rate.Namely, the sheet-type waste such as non-woven fabrics suppressed the heat transfer rate largely in comparison with the case of cord-type waste such as fishing net under the condition of constant void ratio. Moreover, it was cleared that the configuration of the fibrous wastes affected largely on the permeability of the wastes and the heat transfer rate largely depended on the permeability of fibrous wastes.<BR>The results obtained in this paper shows promise for contributing to the establishment of recycling system for wastes of various synthetic fabrics.

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