利用热源温度场迭加法诊断持续点热源的强度及位置

27L2006lJournalofAstronautiesVol,27No.1January2006,,(,710072):,,,,,,,:;;;:V423:A:10001328(2006)010041040,,,,,,,,,,,,,,,,,)n,,,,,MR,()=cu(1)1(),,(:,(J);c(J/kg);(kg/m,);a(/S);:(S)(l)T,,qJ/s,:,RM,=)drf()1(2,,k:20050105;:2005040527,,,,[2,,R(3),,,;;,,,,l_,,r,_,_,O/J,at0,,=,RZ_tOaR28(R)o(R:)(3)2,,,,,,,(2)t,_d,p-(4)/RZqeXP!l\/ktZ(at),R,queXP(}L/,,,(at),(5),,,,,,t,tZ,,,:(l),R,1,2,,,2,R;(2),R/,(t),R,R;(3),R,,tZ,R,,,,,1316(4),0*,,(5)O,taJ.4pXea”31RZRexp--4atkt(at),R1632(at),=O(6)R=V,R=/=0,3,,,R:RZ,qt,1(7)20tZl:802(2),,,3.1(8)(9),,,pl,Rn,2.1=}rf(){2}rf()1,,}01}}=}mlnU:,U:)}!rf()}!(){m(}rf()},}rf((10)(10),,,t,,,,3.2q(2),2,,1RZ=o.14lm,3=30,tZ==300,,R.0.6364m,230.osmt,=0.1095,0.34632520151005004kRSerf()(11),(11)050100150200250300/s(a)1(a)CurvefortemPeratureriseofPointlp41,(94%96%AI,35%Cu),k194W/m;=883)/kg;2787kg/,2053005/s(b)2(b)CurvefortelnPeraturerlseofPolntZ1(c)3(e)CurvefortelllPeratureriseofPoint3Fig.1Modelandeoordinatestemforanalvsi4.12000w,2Fig,2eurvefortemperatureriseofdifferentpointsonstruetu4427(1).,;(2)62;(3),2,4.24.123,500W1000w15OOW2000W2005300,(10)1,,231,l,,,,,(11),1,1,Tab]e]Temperatureriseondifferenttimebydifferentheatingpower//555555500W1000wl50()W2000()W1000w150OW2000(j12O2223330055522224441548.882973324497.76588825.22650.45275.67710099933369.4411138.8821208.3232277.433363.824127.65191.47255333PPPPPPP1.8411141.8411181.8411171.841119991.530()881.530128l.530()951.53022888S,;L,,Iati(,nthornlazany5anfperf()rnlanoestudyJ.Jo,rr,alofAstr(rautics,2003,24(5):543546]tZ],,.M:,1984[HouZhebing,HEshaJ,e,IJI51,Lxirl.lieatexehangeo,,solsdM].shanghai:sllallgllaiSci,r:lifi&reolnicalpulolishors,1984][3].[M].:,1981YUChangMi,19.HeatexehanndnL;,i,erieala,JyoisM.Beijing:TsinghuaUoive,sjLyples,1981]:I,,.J.,2003,24(5):543546MA211,,19}IL:i,SUNQi1,WANGxiaoJu:1,etal,TmLdtilaye,Insu-:(1979),,,,:(7]0072):13319276969Erlail:xwwxZ@126.(omDeducingthePositionandIntensityofDurativePointHeatSourcebyHeatSourceMethodWANCXin,ZHAOMeiying,WANXiaopeng(SelloolofAero,lautie,,No:hwestorr,Polytoel,:liealUlivejty,Xia,710072,Clli,laAbstract:Themalfuneionofrhermalproteelionsystelnonreusablelatnehvehielewillgelerarea11ealsoueo1thepartofvellie]e.The11eatsoureewillleadtoateluperature6eld.The(}larlgeoftue*[ralremperatureeanbeeal(ulatedbyl}leasoureexnethod,axldlheheasourceposirioneanloefoundout.Baseduponllzjsaroaeh,aParanleterwhiehea11)euse(It()evalare11ei,llensityof11eheatsour(eeanbeobtainedbyusingnleasuredvalueso:1eerlainpoints.Byanalyzi9asheetstrieturenlod-el,rhettletlodoarolesti6edeffeetive,Theliethodsandrhenumeriealeale[;lalionsofthispapeleanbealiedt)furtherastr)Ilau-tiealheatsoureeresearehes.Keywords:Reusablelaun(hvehiele;Hearsourcemethod;Thermalsource;Heatsour(er)ositjo:1;Heaour(eilte:151y