Leakage of Air through Labyrinth Packing : (On the Straight-through Type) 2nd Report

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  • ラビリンスパッキンよりの空気の漏出について : (直通形の場合)第2報
  • ラビンスパッキン ヨリ ノ クウキ ノ ロウシュツ ニ ツイテ 2

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Following the 1st report, this paper gives the results of experimental research on the leakage of air through straight-through labyrinth packing. especially on the relations between leakage and depth of the pocket. In these results, it was found that the leakage of air was the smallest valve when the pockets were the shallow rectangular grooves. The optimum ratio of its two sides is one to five and always constant when clearance, number of throttlings and pressure ratio are varied. Although decrease of leakage rate is only a few percent, the result is very valuable on the construction of labyrinth packing of straight-through type.

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