高渐增性燃烧和高密度发射药研究

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1、ABSTRACTIntheinterestofseekingtheessentialPrinciPleandtechniqueabouthowtoenhancethemuzlevelocityofProjectile，PreParationteclinlcsand九ndamentalcharactersticsofprogr剐叮medsPlltlngstick(P55)PropellantsandpolyetherPo1yurethaneclose·grainedproPellants，this。刀okindsofhighProgre

2、ssivityburmngandhighcharg1ngdensityproPellants，wereresearchedinthisP即e卜BydesigningthemouIdtoc11angethePrOPellantsmodel丘aJ卫e，seleotingdiferentmaterialsasProPellantseallayeragents，stUd林ngthePreParationtecbnics，wehavePreferablysolvedthePSSseall盯erPressUrizeandcombustiondis

3、ciPlinaanProblem，阴dobta1nedtheremarkab1eincreasingburningsurfaceefect叨lePracticalincrementofFvaluereachs3.2叩wardsconductingclosedbombfirings，comP幼ng初thlgholeProPellants一thebestProgressivityburnlnginthePresent，WhosePracticalincrementofrvahieisl.2，thePSSamPlitudeofrvaluee

4、xceedsZ.stimes.UsingshaPefunctionandclassicalinteriorballistiostheory，theiduencerelationofthePSSmodelPara!neterafecttosPlitil1goportun1ty，increasingburmngsurfaceand1nteriorballistioscharaCteristicswasresearched卜ThesP1itingoportUnityofPSSaPPearsabeadtheacademicintending，

5、thereasonisthatthethicknessofoutsidebumingl盯erisasymmetry，thethinerareasPlitsearlier，andthethickerareasPlitslater，consequenily，thePSSPut即Progressivityburningefect.FromthePracticallook，theburningProgressivityefectismoreProfitablethanthatinerashigbumingsurfacesuddeul丫Ther

6、esuitsofinteriorballistictheoreticalsimulationindicatestllatthesinglePSSch纯eapPlicationneedPrope11antsbeProvidedwith即perburningrate，adoPtingPSSandtraditonalmodelfiameProPel1antscommixchargeisaPractlcalaPPliedtec俪queaPProach二ByoPthaizingthePSSmodelfraJmeParmeter，wecanobt

7、ain“fiatroor，dominoofectwjthbeterevenPeakvalue“doublePeak，，P-tcurve.ComParing初thcurenilgholeProPellantsch肚gewiththebestincreasingburningsurfacecharacteristic，themuzzlevelocityofProjectilecanbeenhancedabout55m儿，andtheinstIUctPressureeficiencycanbeenhancedabout57%.P(E厅)as

8、thebondoftheclosed-grainedPrope11antssolidi勿smolding初thTDI一curingageni，5，takingonfavorabletec俪csandCraftsadaPt