雪の水力輸送に関する研究　ＩＩＩ　　サイクロンによる雪水混相流中の異物分離

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タイトル別名
  • Hydraulic conveying of snow. III Separation of foreign solids from snow-water mixture by cyclone.
  • ユキ ノ スイリョク ユソウ ニ カンスル ケンキュウ 3 サイクロン ニ ヨ
  • III. Separation of foreign solids from snow-water mixture by cyclone
  • 第3報, サイクロンによる雪水混相流中の異物分離

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This paper presents experimental studies on the separation of foreign solids from snow conveying pipeline water by a cyclone. Either water or a snow-water mixture was introduced into a cyclone together with plastic beads (1.04 g/cm3) or fine gravel (1.45 g/cm3). Collection efficiency and pressure drop were measured. The effects of dimensions were also investigated. There is a critical flow rate under which the snow accumulates in the cyclone, which then loses its function. When the flow rate was more than the critical, the collection efficiency and pressure drop of the snow-water mixture were almost the same or slightly better than those of water alone. The effects of dimensions of the cyclone were almost the same as those already known for a common cyclone. Separation of sand and gravel by the use of a cyclone seemed to be effective, but in the case of plastic beads the separation behavior did not follow the known theory concerning the dependence of collection efficiency upon the flow rate.

収録刊行物

  • 雪氷

    雪氷 46 (3), 121-128, 1984

    公益社団法人 日本雪氷学会

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