噴流が密度成層場の流体混合に及ぼす影響に関する研究

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  • A Study on the Mixing Effect of Jet in Density Stratified Field
  • フンリュウ ガ ミツド セイソウジョウ ノ リュウタイ コンゴウ ニ オヨボス エイキョウ ニ カンスル ケンキュウ

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It's important to understand the mixing effect of jet in density stratified field before applying water mixing technologies in actual site. In this study, we experimented on various types of stratified field and we measured the spatial distribution and temporal changes of density by using LIF method. The results of this study were as follows: (1) Entrainment parameter is affected only by velocity of jet. (2) Degradation of potential energy is affected by Froude number and initial potential energy of the field. We defined a new parameter including both Froude number and initial potential energy and it has a linear relation to the degradation of potential energy.

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