简介：Thepresentpaperdescribesanumericaltwo-waycouplingmodelforshock-inducedlaminarboundary-layerflowsofadust-ladengasandstudiesthetransversemigrationoffineparticlesundertheactionofSaffmanliftforce.ThegoverningequationsareformulatedinthedilutetwophasecontinuumframeworkwithconsiderationofthefinitenessoftheparticleReynoldsandKnudsennumbers.ThefullLagrangianmethodisexploredforcalculatingthedispersedphaseflowfields(includingthenumberdensityofparticles)intheregionsofintersectingparticletrajectories.Thecomputationresultsshowasignificantreactionoftheparticlesonthetwo-phaseboundary-layerstructurewhenthemassloadingratioofparticlestakesfinitevalues.
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