文档介绍：港口装卸 年第 期 总第 期
Pressure Pneumatic Conveying
Cui Yihua
Nantong Rainbow Heavy Machineries Co., Ltd.
Abstract
: The CF D-DEM co upling m eth od is applied to the de sign of indu str ial-sc ale negati ve pres sure pneum atic
conveyin g syste m,a nd the sim ula tion an alysis of the h oriz ontal pip eline conveya nc e of corn ma teri als by th e pneum atic ship
unloader un de r th e output of 150 t / h is perfor med. I n t he coupling pro cess ,CFD is respo nsib le for th e flow ana lysis and dr ag
calc ulation of the co ntinuous flu id phase,a nd DEM is re sponsible for the force an alysis an d motio n trajec tory calculati on of
the dis cret e particl e pha se. The calc ulation p roce ss fully consi ders th e in fluence o f particle v olume frac tion o n f luid. By c om-
paring