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.
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