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Experimental investigation on dilute gas-solid multiphase jet in crossflow

Fu Yao, Wang Tong* and Gu Chuangang
The Journal of Mechanical Science and Technology, vol. 25, no. 6, pp.1483-1493, 2011

Abstract : In the current study, an experimental setup was built to investigate the gas flow and particle distribution in a normal jet crossflow to a main flow in a confined test section. The experiments were conducted under two test conditions: with Rec/Rejet of 7.9¡¿104/3.1¡¿104 and 7.0¡¿104/1.8¡¿104. Four classes of particles were used in both tests. The planar gas flow field and particle distribution on the symmetric cross-section were measured by a DPIV system. Mean fluid velocity results and transient flow visualization images were used to analyze the jet influence on the gas flow field. The analysis of the time-average particle concentration reveal that the jet control method may set a gas barrier in the flow field, which the tiny particles are able travel around, large particles are able travel through, and only 10-micronscale particles could be successfully blocked. The results show that the wall jet control method can be applied in inertia particle separator.

Keyword : Jet; Crossflow; Confined space; Particle distribution

 
 
 
 
 
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