資源描述：
《水下氣動(dòng)發(fā)射裝置內(nèi)彈道仿真和參數(shù)影響分析》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、機(jī)床與液壓HydmmechatmnicsEngineeringVo1．42No．12Jun．2014DOI：10．3969／j．issn．1001-3881．2014．12．001Interi0rballisticsimulationandparameterinfluenceanalysisofanunderwaterpneumaticlauncherQing—yongNIU．Tian—yunLI'sc。。lofNa口lArchitecmre。nd0ce凡Engineering，Huazh。ngUniversityofSci
2、eeⅡndTechnol。gY，n430074，China；。
3、snndMarineHydrodynamicsKeyLab。rat。，．yofHubeiProvince，Wuhan430074，ChinaAbstract：Anunderwaterpneumaticlaunchewasstudiedtoanalyzeitsinteriorballisticcharacter-istics．Usingmathematicalmodelingmethod，theinteriorballisticmodelwasestablishe
4、d-Thein。fluencesofthreeparameterswerediscussedincludingthecriticalmovingresistantforce，themaximumopenareaofthelaunchvalveandtheinitialinflationair。bottlepressure．Theresultsshowthatthemaximumchamberpressureismainlydeterminedbythecriticalresistantforce，andtheexitvelo
5、cityoftheweaponoutofthelaunchtubeismainlydeterminedbytheinitialinfla’lionair·botlepressureandthemaximumopenareaofthelaunchvalve．Keywords：Launcher，Mathematicalmodeling，Interiorballistic，Parameterinfluenceanalysis[3．5]，wuZhao-hui，etall6]．Amongthesestud·1．Introduction
6、ies，eachcomponentofthelaunchsystemwassepa—ratelymathematicallymodeledandthenthe1aunchForacertaintypeofunderwaterpneumaticsystemwasanalyzedasawhole．launcher．compressedairisusedasenergysourcetoHowever．becauseofthediferenceinsealingthrusttheweaponoutofthelaunchtubeata
7、de-mechanismandtheweaponexternalgeometry，thesignedvelocity．Thestudyoftheinteriorballistichasinteriorballisticperformanceofthistypeofpneumaticgreatsignificanceintheoptimizationdesignofthelauncherdistinguishesfromthatoftorpedolaunchers．launcherandthepre．estimationoft
8、helaunchexperi—Inthisresearchthermalanddynamictheoriesarements．Forconfidentialityreasons，literaturesrelatedusedtoestablishtheinteriorballisticmode1ofthistothistypeof】aunchercouldrarelybecollected．Butlauncher．Forjnteriorballisticparameterswhichowingtothesimilarityto
9、othertypesoflaunchersfeetthemaximumchamberpressureandtheexitve．suchastorpedolaunchersinsomeaspects，thistype1ocityofweapon．theirinfluence1awisdisc
