简介:摘要院通过对液压支架立柱的动态特性进行仿真,研究了立柱活柱腔的压力变化特征,为液压支架立柱防冲击系统研究提供必要的理论基础。
简介:Inordertoanalyzethespatialmaneuverabilityoftheremotelyoperatedunderwatervehicle(ROV),the6-DOFmotionmathematicmodeloftheROVwasfounded.HydrodynamicswereanalyzedbyusingtheTaylorseries.ThethrustersontheROVwerediscussed.Thispaperconsidersthreecasesofmotionsimulation:verticalmotion,rotationalmotionandZ-shapemotion.Aseriesofsimulationexperimentsshowedthatthe6-DOFmotionmathematicmodelwascorrectandreliable,andalsofitwiththescenesimulation.
简介:摘 要:本文是对某TMF型(上冷冻、下冷藏式)风冷冰箱的冷冻风道进行CFD仿真,得到冷冻风道的流线图,压力云图,风道各出风口的出风量和占比数据。分析出,风扇与风道腔体边界距离偏小,空气撞击在边界上易形成局部涡流,增大风道局部阻力;风道左上,右上两出风口风量不均匀,右上出风口相对左上出风口流线密度有降低,出风口风速降低。并进行实验测试风道的各出风口风量,同仿真结果进行对比,测得各处风口风量趋势和仿真结果一致。