Characteristics of Spatial Distribution of a Bubbling Liquid Jet across a High-Speed Airstream.

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  • 高速気流中における気泡混入液体噴流の分散特性
  • コウソク キリュウチュウ ニ オケル キホウ コンニュウ エキタイ フンリュウ

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Abstract

A bubbling liquid jet was ejected normal to a highspeed airstream to control a spatial distribution of the ejected liquid under an airstream velocity of 70m/s and a constant injection pressure. And spray shapes were obtained by scattered-light photographs with a long exposure time and the liquid mass flow rate per unit area were measured by the mass sampling technique. The height of the maximum liquid mass flow rate per unit area in the spray hardly changed, when the ratio of the mass flow rate of the ejected liquid to standard mass flow rate decreases from 100% (without gas) to 39% increasing the gas/liquid rate. However, with decreasing the ratio, maximum mass flow rate per unit area decreased and the width of vertical and horizontal distribution of the liquid mass flow rate per unit area increased.

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