金属风暴武器膛口流场仿真-分析

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1、SimulationandAnalysisoftheMuzzleFieldFlowofMetalStormWeaponAbstract"MetalStorm"WeaponSystemisaweaponsystemwhichisfiredsynchronouslyorasynchronouslywithmulti-barrelseries-parallelammunition.Whenthemulti-barrelislaunched,complexmulti-barrelmuzzleflowfieldwillbeformedinfrontofthemuzzle.Theflowfie

2、ldwillcauseasymmetricdisturbanceforprojectilesemittedbyeachbarrel,thusaffectingthefiringaccuracyofweaponsystems.Inthispaper,theformation,developmentanddecayprocessofmuzzle’sshockwaveunderMetalStorm’sdifferentlaunchingmodeareanalyzedandcalculatedmodelingly,usingtwo-dimensionaldirectionaljetandd

3、ynamicmeshrelatedmethods.Inthisway,differentmuzzleflowfieldeffectsofshockwaveontheprojectilevelocityandlateraldisturbancearefoundout.CorrespondingpressuredistributionruleiscalculatedwithMatlabsoftwarebythe30mmcaliber"metalstormweaponsystem"inballisticequation.Basedonthefinitevolumemethod,two-d

4、imensionalmodelisestablishedforserieslaunchmode,andcalculateitusingtheFLUENTsoftware,obtainingthecorrespondingdata,analyzingtheinfluenceonprojectilemuzzlevelocity.Byusingthefinitevolumemethod,doubleandthreetubesofatwo-dimensionalmodelareestablishedbasedontheparalleltransmissionmode,andcalculat

5、eitwithFLUENTsoftware,obtainingthecorrespondingdata,analyzingtheimpactontheprojectileaxialandradialforce;usingGAMBITtoestablishthethree-dimensionalmodel,calculateitbyFLUENTsoftware,gettingthenumberofpressurecloudandMaheratdifferenttimes,analyzingtheinfluenceofthemuzzleflowfieldofprojectilemoti

6、on.Keywords:MetalStormWeapon，muzzleflowfield，thefiringaccuracy，interiorballisticII万方数据中北大学学位论文目录1绪论.................................................................................................................................11.1研究背景、目的和意义....................................................

7、.......................................11.2国内外研究现状.......................................................................................................31.3本论文主要研究内容......................................................................