Turbulence Characteristics of Liquid-Solids Two-Phase Circular Confined Jet

Koichi Hishida, Hiroshi Nakano, Takeshi Fujishiro, Masanobu Maeda

研究成果: Article査読

4 被引用数 (Scopus)


The turbulent structure of a liquid-solids two-phase jet has been experimentally investigated to examine a model application for the particle kinetic eddy viscosity in a turbulent two-phase flow. The confined jet flowed in the gravitational direction at the Reynolds number of the inner jet 1.1 × 104. Spherical glass particles of 486 were loaded into the inner tube at a volume fraction of 1 %. The flow fields were measured by a laser Doppler velocimeter, with a particle size discrimination. In the developing region of the shear layer, measurements revealed a a decrease in the turbulent kinetic energy and the turbulent shear stress of liquid phase involving solid particles. The model based on the characteristic time scale ratio of turbulent two-phase flow confirmed a good agreement with experimental results.

ジャーナルTransactions of the Japan Society of Mechanical Engineers Series B
出版ステータスPublished - 1989

ASJC Scopus subject areas

  • 凝縮系物理学
  • 機械工学


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