结构参数对空间太阳动力系统质量的影响

:2001211216:025420096(2003)0120129206,,,(,100084):,,,,,,,:;;;;:TK51:A0,,,,,[1][2]Glassman[3]Wong[4]Klann[5]Mock[6]Brayton,[7],,,,,,,,,,1111,(Rankine)(Brayton)(Stirling),,[8][9],,1Fig.1SchematicDiagramofsystemconfiguration1:(),:,,//,,/,24120032ACTAENERGIAESOLARISSINICAVol124,No11Feb.,2003©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,/,/112:QSUN=SFSC(1),QSUN;;S,1353kW/m2;FSC:QSUNconRC=QPCMSTOR+Gcp(T3-T5)(2)QPCMSTOR=[Gcp(T3-T5)/RC]shsn(3)hNRCdRCLGcp=ln(Tw-T3Tw-T5)(4)Nu=01023Re018Pr014(5),CONRC/;QPCMSTOR/;G;cp;TWT3T535;shsn;h/;NRC/;dRCL/;Nu;Re;Pr:Na=Gcp[(T3-T4)-(1+g)(T2-T1)]aplM(6),Na;a,pl,M;g;T1,T2,T4124:=NTU1+NTU(7)NTU=UFRPGcP(8),;NTU;FRP;U,:U=sh2(9),h;s:cpG(T6-T1)=Ni=1qi(10)qi=(TFi-THi)/Ri(11)qi=rrAR(THi4-Ts4)(12),T66;qii;TFi,THii;Ri;r;;r;AR;TS;de;k:T2=T1(1+eK-1K-1c)(13)T4=T3[(1-(1-t-K-1K)t](14)T5=T2+(T4-T2)(15)T6=T4-(T5-T2)(16),t,c;K;c,t113SCBC,,[3][6],,,,,SCBC,,SCBC03124©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,,,,(MS)(MP),:ME=(MS+MP)(17)114:M=MSC+MRC+MRP+MEC+MHR+MIV(18)MSC=SCFSC(19)MRC=RCFRC+QPCMSTORsn/rPCM(20)MRP=RPFRP(21)MEC=ECD2C(22)MHR=HRFFHRF+HRHFHRH+HRPFHRP(23)MIV=IVNa(24),M;MSC,MRC,MEC,MRP,MHR,MIV/;SC,RC,EC,RP,HRF,HRP,HRH,IV/;rPCM;FHRF,FHRP,FHRH;NHR;DC,:Dc=cp(T2-T1)/n(25),;n115SCBC,FP:Fp=FSC+015FHRF(26),,:Mp=cearCDFp2ISPr(27),cear;CD;ISP;r;2,,,10kW,211//,,,22Fig.2Relationshipofheat-transferpipediameterandmassofeachcomponent,/,34,1311:©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.3Fig.3Effectofheat-transferpipediameteronresistancearea4Fig.4Effectofheat-transferpipediameteronsystemmassandtotallaunchmass,4,14mm,,1843kg,987kg56m2,1929kg,,417%212,,,,,/,(5)67:0123m,1999kg,1159kg5511m2,2091kg,,416%5Fig.5Relationshipofflowpassageheightandmassofeachcomponent6Fig.6Effectofflowpassageheightonresistancearea7Fig.7Effectofflowpassageheightonsystemmassandtotallaunchmass213131523124©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.8Fig.8Relationshipofheatpipelengthandmassofeachcomponent9Fig.9Effectofheat-pipelengthonsystemmassandtotallaunchmass10Fig.10Effectofheat-pipelengthonresistancearea,,/,,,,,314m,1983kg1142kg5511m2,2065kg,,411%3,,,,,[][1].[R].,1992.[1]TianWH.Spacesolardynamicpowersystem[R].Spacetechnologyintelligence,1992.[2].[D].:,1998.[2]DongKY.Thermalanalysisofhightemperaturesolid-liquidphasechangethemalenergystoragecontainer[D].Beijing:BeijingUniversityofaeronauticsandastronau2tics,1998.[3]GlassmanAJ,StawardWI.Alookatthethermodynam2iccharactreisticsofbraytoncycleforspacepower[R].A2IAANo.63218,1963.[4]WongRY,KlassenHA,EvansRC.Effectofoperatingparametersonnetpoweroutputofa2-to-10-kil2lowattbraytonrotatingunit[R].NASATND-5815,1970.[5]KlannLJ.Steady-stateanalysisofabraytonspacepowersystem.NASATND-5673,1970[6]MockEA.Closedcyclegasturbineoptimization-proce2duresandexamples[R].AiresearchReport,1977.[7]DiaoZheng2gang.Performanceevaluationofspacesolarbraytoncyclepowersystem[R].ASME92-GT-96.[8]GlassmanAJ,StawardWI.Alookatthethermodynam2iccharacteristicsofbraytoncycleforspacepower[R].A2IAA,No.63-218,1963.[9]HarperWB,BoyleVBandKudijaCT.SolardynamicCBCpowerforspacestationfreedom[R].ASMEPa2per90-GT-78.3311:©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.THEEFFECTOFTHECONFIGURATIONONTHEMASSOFSPACESOLARDYNAMICPOWERSYSTEMWuYuting,RenJianxun,GuoZengyuan,LiangXingang(DepartmentofEngineeringMechanics,TsinghuaUniversity,Beijing100084,China)Abstract:Inordertoreducethesystemmassanddimension,themathematicalandphysicalmodelofspacesolardynamicpowersystemwasmadeusingthemethodofsystemanalysis.Thenumericalsimulationsonthediffer2entconditionwereperformedandtheeffectoftheconfigurationsonthesystemmasswasanalyzed.Theresultsofthestudyindicatedthatthereispositiveandnegativeeffectsofthesevariablesonsystemmassandtheopti2mizationofthesevariablescandistinctlyreducethelaunchedweightofspacesolardynamicpowersystem.Keywords:spacestation;solar;dynamicpowersystem;configuration;numericalsimulationE-mail:[e-mail]43124©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.