消滅キャビテーションの確率的挙動と溶解気体効果 : 第1報,空気飽和水の場合

概要

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In order to make clear the dominant factor on which cavitation initiates, I statistically analyzed the acoustic pressure pulses generated from cavitation in a typical orifice flow and simultaneously observed the cavitation aspect in the near-desinent cavitation range, for various dissolved CO_2-gas contents C in naturally air saturated water. The CO_2-gas was dissolved into the water under almost the same cavitation-nuclei-distribution. Since both the aspect and the corresponding stochastic behavior of the acoustic pulses change considerably with C, it is concluded that the dissolved gas could be a dominant factor on the cavitation through a typical process by which the nuclei rapidly grow within the dead water region.
社団法人日本機械学会の論文
1987-02-25