沖擊波作用下液體拋撒及界面運(yùn)動的研究.pdf

1、j鎏堅(jiān)：：羔墨主盎塑塞。擒要本文班工程蠢憋筑囂為鶩縶，主襄辮突了瀵婷、摶贅渡籜穗下滾傣瓣數(shù)、疆簿鞫囂鍵規(guī)襻，猙蠢波車霜下不簿流舔莽蕊懣旗、變他蕊橡，警蕊激波釋瀠聾謦渡豹穗曩攆建避纛，囊癸王爨氛矮絮下內(nèi)容：燎輝擻激裝囂巍俸設(shè)計(jì)魏駢究。邋避疆力傳游囂溯鏊爆炸沖潞鍍律麗下水孛鶼怒篷涎辯閥豹黛稼鬻皋臻寒速攝影懿蠢法測爨瓣激裝甏主羲鬏熟運(yùn)動褥懣不鼴條幸孛下波饞露臻予攆擻裝鬟上游猙黎夫棗，辮爨了蠢黲寒塞佟下裝舞霞璧、靛藥餮、裝盛液體容器爨徑、容器薄

2、熬的約柬?xiàng)l件對柞用予撇撒裝鬣上的洚藩夫，l、漿影響?？p念瑾埝給撰瓣避蠢戇冷豢詩冀蠢法避費(fèi)了彀逶，實(shí)駿慧袋褒秘：蒗避瓣麓跨薰詩冀公藏巒予努慮了虢感滾俸囂囂薄熬戇素靛辯嫡，栽較好越鄹實(shí)酥榴褥勢；l欺公式為基戳設(shè)計(jì)了安驗(yàn)?zāi)Ｐ?。爆炸、嬸潦波佟耀下滾體紈撇蔑棒游掰究。采爝搿速攝影鷸方法撼攝了爆炸渡攆jl下裝撩渡囂容器薄繁戇醚裂、渡髂瓣流形成、漤失戳及滾錈擻擻翁壘過程鼴照片。懣漣藤察驄數(shù)強(qiáng)瓣憝理，褥窶滾體擻敷爨丈遮凌煞經(jīng)驗(yàn)公波：逶過瓣液髂搬轍柳嬲液

3、氣努街豹穩(wěn)愆性分耩得出影響賽蕊穩(wěn)定骰鼢圓索，辯通過實(shí)驗(yàn)進(jìn)行了驗(yàn)菠；邋過麓滾體獲褥簸大速液囂擻擻速凌瓣辯閡熬蜜純分耩，褥撼液體瓣擻靛精辯擻速菠麓辯淹慧摻鼗關(guān)系襄斌，液俸產(chǎn)警二淡虢姥囂遙湊速度窿純援糖豹績浚。根攝液體撼擻舉恩鼢敷運(yùn)動遴度豹變化可以分?jǐn)€波髂破碎、囂化疆度以及滾傣皴殍攆麓霹溜。實(shí)驗(yàn)繇究了滾俗篷震、裝囂爨、裝黛滾體容瓣蕊徑、熬殍及鼴限液體褥索鐐澍液體搬激蘧發(fā)畿躐系數(shù)豹影響，褥撼潑缽糯撇作靂辯瓣仗霉瑟滾傣糖擻遽發(fā)糕疆系數(shù)露關(guān)蠢滾髂撼

4、歉謄經(jīng)摹拜滾髂瓣數(shù)爨大遮攫、滾髂擻敷逮建焱疆慕數(shù)彎美鶼結(jié)諗。逢過翳鼴勢撩姆邂渡搏瓣擻遮漤衰減暴鼗和舞影確囡索豹關(guān)籟斌，繼黼整璦出液髂撇撒半徑釉液體搬撒時(shí)間姆各影響因素懿裳系式。沖擊波作用下兩糖不閹流體棼灝避動媲撩酌磺究。通過數(shù)值計(jì)辮得戡沖漆裝豫溺下蠢裙始撬渤慕籜下鼴嵇不溪W匿鐮毪俸賽藤遮動蕊簸簿，褥穗磚磷波強(qiáng)壤、氣體瓣度澆、莽瑟鼯浚、魏窳條籜簿瓣氣搭籜鬻運(yùn)勸，交琵獵震著影確靜綹幸會。理論分掇了耀釋譽(yù)隧縫蕨貔舉霉爨繚滾搏賽囂擾動增妖麓媲簿

5、，分褥了滾揀密度魄、器藤澎竣、潦毒波強(qiáng)發(fā)等瓣黍霹鬟蟪滾髂器鬻運(yùn)棼靛彩臻，避過辯W壓縭往鞍不可蘧縮流體界面運(yùn)動、交億規(guī)律酌比較，攢出沖裔渡作桶下流髏鷯霹篷繚經(jīng)、瓣寨條棒鼴不霹滾簿賽裂翁逛魂、交純怒饕重簍熬佟臻。邋遘爆炸潦毒液捧臻下痰、爹辯層瀛髂審靜接浚薅串瓣耀匆涌爨努輯了巍薨兩溪不翔滋體靜鞠囂張燃。平瑟避魏激渡秘爆落渡糨蔓稼穗靛數(shù)簸溪羧幫嶷浚臻究。逶過數(shù)建摟巍勢掇了不懇蠢釋’F警露運(yùn)動激波穆臻蟾波耀囂紹愿敦燎點(diǎn)，勢燧過寅羧避行7駿謹(jǐn)，羧篷

6、貘撇姥鬃耩蜜驗(yàn)臻爨峻舍樽綴好。褰驗(yàn)黎簸篷騖爨繚鬃褰麓，滋滾簿爆炸波豹鞠瓢睪蹋醞蠛是凝聚靜流勸區(qū)域，箕研究j爭予激波穡力學(xué)及復(fù)雜流殤戇渡繇于撬熬褥炎爨露廣泛戇找襲穩(wěn)。2002年12月英文摘饕AbstractAninvestigationwascarriedoutforthedispersal，breakupandatomizafionofshockedliquid，asweltasthemovementofinterface，theint

7、eractionbetweenplanarshockwavemadblastwave，whichhasapplicationbackgroundofFAE(FuelAir—Explosive)，Thework!nainlycontainsfollowi敬parts。ShockloadingonthedeviceofFAEInordertogettheinformationoftheimpulseon血edeviceunderdiffer

8、entCOnditionstheoverpressureontheuppermadbottomwallswasmeasuredandthehistoricaitraceoftheupperwedlwasalSecordedwithahighspeedCCDcamera釉ughthemeasureddataandtheoreticalanalysis。ThefactoISwhichinfluenceontheimpulsewereanal

9、yzedallapproximateformutaforthepredictionoftheimpulsewasobtained，basedonwhichthepresentexperimentalsetupWaSdesignedWitlIthehelpofthehighspeedCCDcalnera。thewholehistoryofthedistortionandbreakageofthevesselwall，theformatio

10、nanddevelopmentofliquidetandliquiddispersalwasdemonstratedandanalyzed。aregressionformulaforthemaximumdispersalvelocitywasalSOobtainedThroughtheoryanalysisoftheshockedintcf蠡eebetweenliquidandgas，thefacto囂whichinfluencethe

11、inteffacestabititywerediscussedBasedon氆eexperimentaldataandregressionanalysisitwasfoundthatthevelocityattenuationisapproximatelyexponentialwithtimeintheinifialstageandthevelocityattenuationisveryslowaftersecondarybreakup

12、。Somefactorssuchasliquidnlassexplosivemassvesseldiameterthicknessofvesselwaltetc，playveryimportantroleduringthedispersalprocessRegressionformulaforinfluenceofd／fferentfactorsonveloc澍attenuationwasobtainedThroughnumerical

13、catculationtheshockaccelerateditlovcmentoftl禱interfacebetweentwodifferentgaswassimulated。TheinfluenceofdifferentconditionssuchaSthedensityratioacrosstheinterface，initialinterfacesl瓣andthestrengthofshockwaveonthebehavioro

14、finterfacewerediscussed。TheoreticalanalysisWasalsocarriedoutforthecaseofincompressiblefluidThroughanalysisfortheresultsofnumericalcalculationitwasfoundthatgascompressibilityandrestrictionhaveobviousinfluenceonthemovement

15、ofinterfaceTheinvestigationfor也einteractionbetweenplanarmovingshockwaveandblastwavewerecarriedoutbothnumericallyandexperimentally日leagreementbetweentheCFDdataandthevisualizationresults“Nasgoodwhichshowedcom淤exflOWfieldof