运输车罐体内不同液体介质冲击晃动的耦合分析  

Coupling Analysis of Impact Shaking of Different Liquid Media in the Tank of Transport Vehicle

作　　者：王建业 张银 汤振齐[1] 

机构地区：[1]陕汽淮南专用汽车有限公司博士后工作站,安徽淮南232008 [2]安徽理工大学机电工程学院,安徽淮南232001

出　　处：《商用汽车》2024年第5期78-81,共4页Commercial Vehicle

基　　金：安徽省博士后研究人员科研活动经费资助项目(2024C885)

摘　　要：本文探究了运输车罐体内不同液体介质在冲击晃动过程中的流固耦合现象,分析了罐内液体晃动的气-液两相分布特征,以及罐体整体与防波板1表面形成的压力、应力强度与定向变形。结果表明:罐内液体介质的改变并不会影响不同时刻罐内液体的气-液两相分布图,但会影响罐体与防波板1表面所形成的压力值大小。当装载的液体介质发生变化时,液体冲击晃动对罐体的应力强度与定向变形的最大值也会有所不同。水晃动对罐体的应力强度影响最大,而汽油晃动则对罐体的定向变形影响最大。此外,3种不同液体介质在导致罐体应力强度与定向变形最大值出现的位置均在防波板1的圆形开孔边缘。因此,为了增强罐体防波板的强度,建议对防波板圆形开孔处进行局部补强,设置交叉布置的加强圈及筋板。The fluid structure coupling process of different liquid media impacting and shaking in the tank body of transport vehicle were studied,the gas-liquid two-phase distribution of liquid sloshing in the tank body,the surface pressure,stress intensity,and directional deformation formed between the entire tank body and the wave deflector 1 were also analyzed.The results show that the variation of liquid media in the tank body do not affect the gas-liquid two-phase distribution of liquid sloshing,but do affect the surface pressure of the entire tank body and the wave deflector 1.The stress intensity and directional deformation of liquid impacting and shaking in the tank body were changed as the liquid medium varies.The stress intensity of the tank body caused by liquid water shaking was the highest,while the directional deformation of the tank body caused by liquid gasoline shaking was the highest.The maximum stress intensity and the directional deformation of the tank body caused by the three different liquid media were occurred at the circular opening edge of the wave deflector 1.Therefore,the circular opening edge of wave deflector should be locally enhanced,and the cross arranged reinforcement rings and ribs should be set up to ensure the strength of the tank body and wave deflector.

关 键 词：运输车 罐体 防波板 不同液体介质 

分 类 号：U469[机械工程—车辆工程]