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Effect of Particle Loading Ratio and Orifice Exit Velocity on a Particle-Laden Jet
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 Title & Authors
Effect of Particle Loading Ratio and Orifice Exit Velocity on a Particle-Laden Jet
Paik, Kyong-Yup; Yoon, Jung-Soo; Hwang, Jeong-Jae; Chung, Jae-Mook; Bouvet, Nicolas; Yoon, Young-Bin;
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In order to design a shear coaxial injector of solid particles with water, basic experiments on a particle laden jet are necessary. The purpose of the present study is to understand the effect of particle loading ratio on the particle spray characteristics (i.e. spreading angle, distribution of particle number density, velocity profiles, and particle developing region length). Hydro-reactive Al2O3 particles with a primary particle diameter of 35~50 are used in this experiment. An automated particle feeder was designed to supply constant particle mass flowrates. Air is used as the carrier gas. To determine the air velocity at the orifice exit, tracers (aluminum oxide, 0.5~2 primary diameter) are also supplied by a tracer feeder. A plain orifice type injector with 3 mm diameter, and 20 mm length was adopted. Particle image velocimetry is used to measure the mean and fluctuating velocity components along the axial and radial directions.
Particle-laden jet;Two-phase jet;Particle loading ratio;Spreading angle;Particle number density;Particle developing region;Turbulent intensity;
 Cited by
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