简介:Particlemotioninascrewconveyorwassimulatedw让hthediscreteelementmethod.Theparticleflowbehaviorandtransportprocessesatdifferentscrewrotatingspeedsandfillinglevelswereinvestigatedinthisstudy.Thespatialdistributionsofparticlevelocitywerepredicted.Thepredictedmassflowrateincreasedw让hincreasingscrewrotatingspeedandfillinglevel.Thecontactforcesandgranulartemperaturesofparticleswerealsocalculated.Thesimulationresultsshowedthatthetranslationalgranularparticletemperatureswerehigherthantherotationalgranularparticletemperatures.Inadd让ion,theconfigurationaltemperaturesofparticleswerecalculatedfromsimulatedinstantaneousparticleoverlaps,andresultsindicatedthatdeformationofelasticparticlescontributedtotherateofenergydissipation.Goodagreementbetweenthenumericalsimulationandexperimentalresultswasachievedinthisstudy.