Studied on the effect of refueling rate on fuel system refueling based on STAR-CCM+

A model of fuel system which is with ORVR established based on STAR CCM +, to study the influence different refueling velocity formation liquid seal in process. The simulation results show that increase rate leads process flow, but it will lead deterioration smoothness. When 15L/min, there no formed at bottom pipe, because small gas resistance process, and when flow reaches 37L/min, a stable dynamic can be pipe accumulation port has taken place. reaches40L/min 45L/min, 4s, until 4 seconds, been submerged muzzle. At 10 state same as 5 indicating gun PSO had happened.