e-journal
Experimental and numerical analyses of gas–solid-multiphase jet in cross-flow
In this article, jet influence on a gas–solid-multiphase channel flow was experimentally and numerically studied. The jet
flow was found to have a diameter-selective controlling effect on the particles’ distribution. Jet flow formed a gas barrier
in the channel for particles. While tiny particles could travel around and large particles could travel through, only
particles on the 10 -mm scale were obviously affected. Three different calculation methods, Reynolds averaged
Navier–Stokes, unsteady Reynolds averaged Navier–Stokes, and detached eddy simulation, were used to simulate this
multiphase flow. By comparing the calculation results to the experimental results, it is found that all the three calculation
methods could capture the basic phenomenon in the mean flow field. Nevertheless, there exist great differences in the
transient flow field and particle distribution.
Keywords
Jet, multiphase flow, detached eddy simulation, unsteady Reynolds averaged Navier–Stokes, experiment, digital particle
image velocimetry
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