防護(hù)屏結(jié)構(gòu)形式與尺寸對超高速撞擊防護(hù)影響的研究.pdf

1、哈爾濱工業(yè)大學(xué)碩士學(xué)位論文防護(hù)屏結(jié)構(gòu)形式與尺寸對超高速撞擊防護(hù)影響的研究姓名：黃文龍申請學(xué)位級別：碩士專業(yè)：人機(jī)與環(huán)境工程指導(dǎo)教師：龐寶君管公順20050601墮查鎏三些查蘭三耋要圭：竺篁三AbstractTomakesuresafelyoperationofthelongdurationandlargesizeorbitalspacecraft，thedesignofthespacedebrisprotectstructureisth

2、ekeypartThispaperisundertheapplicationbackgroundofspacecraftprotectspacecraft，syntheticallydescribethestudystatusinthisdomain，andadoptssmoothparticlehydrokineticsmethod，appliestheAUTODYNsoftwaretodosomeresearchonWhipples

3、hieldstructureresistspacedebrishypervelocityimpactincludingthedomino0ffcctofbumperthicknessthedomino0frectofbumpersizeandthedominooffectofbumperexteriorstructureformTheresultscanprovideproofandreferencefortheengineeringd

4、esignofthespacecraftspacedebrisprotectstructureFirstofaUdiscusstheexperimentmethodofhypervelocityimpactandthedamagecausesofthehypervelocityimpactprotectstructureWhenthepillhypervelocityimpactthetarget，theinteractofthecon

5、densationwaveandsparsenesswavebetweenthepillandthetargetisthemostlyreasonofthebreakupofpillandtargetandproducedebriscloudsHavinganalyzedtheprotectstructureappraisemethodofballisticlimitequationandballisticlimitcurve，this

6、providestheoreticalbasisfortheresearchoffurtherenhancetheprotectstructurehyperveloeityimpactprotectioncapabilitySecondthestudyonthedomino0frectofbumperthicknessindicates：intherangeofsheet，theprotectcapabilityofWhippleshi

7、eldisnotimprovewiththeincreaseofthethickness，whilethereisabestvalueunderacertainimpactsituation，Thispaperprovidesballisticlimitcurvesoffourdifferentbumperthicknesses，andcomparesthesecurveswiththeforecastresultsofChristia

8、nsenequationAtthesametime。theresearchonthedomino0ffectofbumpersizeindicate：underthesituationofmeetingthebumperdamageeffectsize，WhippleshieldstructureswithdifferentbumpersizehavethesameprotectingcapabilityAlso，analyzedthe