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0,,[1]~[7]。,400℃。:①,;②,,,;③,。,,。,,;,;,。Monta-Carlo,LightTools,、,。11。:2015-03-31。:(U126119);(2013MS0704;2015MS0545);(NJZY12280)。:(1982-),,,,。E-mail:houjing_1982@163.com:(1978-),,,,。E-mail:changzehui@163.com1,2,3,4,4(1.,010051;2.,010070;3.,100081;4.,010051):。,,、,。,0.92,0~7.5°,99.36%~51.51%,92.14%~48.1%。,43.2%。:;;;:TK519:A:1671-5292(2015)07-0977-051Fig.1ConcentratingprincipleofnewCPCtroughsolarconcentratorf3ADBCEFOxy12345f1f2RenewableEnergyResources33720157Vol.33No.7Jul.2015·977·DOI:10.13941/j.cnki.21-1469/tk.2015.07.003、、,,、。:13DE,DEf1,13,;,AB;45CFf2,。。,ABDE:y=0.003x2+0.28x-41.46(1)CF:y=x2300(2)(1)、(2)2。,92%,。AD=550mm,BE=200mm,BC=20mm,90mm。23,Solidworks,LightTools(3)。50mm。,(0.53°),100×100,1000W/m2。,、、,4。33.1,,,,,,。,;,,。,。0°,,,2Fig.2PhotoofnewCPCtroughsolarconcentrator4Fig.4RaytracingofnewCPCtroughsolarconcentrator3LightTools3DFig.33DmodelofnewCPCtroughsolarconcentratorinLightToolsxxzyzyzy2015,33(7)·978·,。5。5,,,。,99.36%,0.64%;7.5°,51.51%。7.5°,15°/h,30min。3.2,。,,。3,(x,y,z)(α,β,γ)。αx-zy,βy-zx,γx-yz。,(0,90,0)(90°,90°,0°)。,7.5°,。,αβ,LightTools。6α,。7β,。6、7,,,。α10°,2.9%,β10°,15.2%。α10°,2.9%,β10°,5Fig.5Variationofopticalefficiencyatdifferentincidenceangle/(°)012345678/%10080604020/%1009080706050406Fig.6Variationofopticalefficiencyatdifferentinstallationangleerrorsα/(°)0246810/%/%94939291908910099989796957Fig.7Variationofopticalefficiencyatdifferentinstallationangleerrorsβ/(°)0246810/%/%969288848010096928884·979·,14.9%。,α,β。4。0.05m,0.25kg,18.3℃。,、。,3,。8。8,,。(3):η=cmΔTA∑I(3):I,W/m2;A;c,kJ/(kg·℃);m,kg;ΔT,℃。,43.2%。5,Solidworks,Monta-Carlo、,。2°,98%,,。αβ,β。,43.2%。:[1]LiGuiqiang,PeiGang,SuYuehong,etal.Designandinvestigationofanovellens-walledcompoundparabolicconcentratorwithairgap[J].AppliedEnergy,2014,125:21-27.[2],,,.[J].,2014,30(1):161-168.[2]ZhouXizheng,MaChunyuan,ZhangLiqiang,etal.De-signandperformanceexperimentofsolarconcentratorwithfixedstripmirrorsurface[J].TransactionsoftheChineseSocietyofAgriculturalEngineering,2014,30(1):161-168.[3]ThomasCooper,FabianDahle,GianlucaAmbrosetti,etal.Performanceofcompoundparabolicconcentratorswithpolygonalapertures[J].SolarEnergy,2013,92:308-318.[4]GuXiaogang,RobertATaylor,GaryRosengarten.Analysisofanewcompoundparabolicconcentrator-basedsolarconcentratordesignedformethanolreforming[J].JournalofSolarEngineering,2014,136(11):1-9.[5]SafaSkouri,MohieddineBenSalah,SalwaBouadila,etal.OpticalgeometricandthermalstudyforsolarparabolicconcentratorefficiencyimprovementunderTunisiaenvironment:Acasestudy[J].EnergyConversionandManagement,2013,75:366-373.[6],,,.-/[J].,2014,34(5):2251-2260.[6]ChenHaiping,YuXinwei,WeiJinjia,etal.PerformanceanalysisofCPC-PV/Thybridelectric-thermaldevicecombinedwithcoal-firedunitpowergenerationsystem[J].ProceedingsoftheCSEE,2014,34(5):2251-2260.[7]SouravKhanna,ShireeshBKedare.Analyticalexpressionforcircumferentialandaxialdistributionofabsorbedfluxonabentabsorbertubeofsolarparabolictroughconcentrator[J].SolarEnergy,2013,92:26-40.8Fig.8Variationofwatertemperatureswithoperationtime9:249:279:309:339:36/W·m-2/℃100806040209008508007507002015,33(7)·980·PerformanceresearchintoanovelCPCtroughsolarcollectorHouJing1,2,ZhengHongfei3,ChangZehui4,YuMiaomiao4(1.ChemicalEngineeringCollege,InnerMongoliaUniversityofTechnology,Hohhot010051,China;2.CollegeofMechanicalElectricalHeatingandVentilationEngine,InnerMongoliaTechnicalCollegeofConstruction,Hohhot010070,China;3.SchoolofMechanicalandVehicularEngineering,BeijingInstituteofTechnology,Beijing100081,China;4.CollegeofEnergyandPowerEngineering,InnerMongoliaUniversityofTechnology,Hohhot010051,China)Abstract:Anoveltroughcompoundparabolicconcentrator(CPC)isintroducedinthispaper.Theopticalsimulationandthermalperformanceresearchesarecarriedoutandtheprinciplesofitsworkingarepresented.Atthesametime,a3Dcomputermodelofcylindricalabsorberisestablished.TheMonteCarlomethodisappliedtoinvestigatethecharacteristicsofenergyfluxdistributiononthereceiverandopticalefficiencyoftheabsorberatdifferentincidenceanglesandinstallationangleerrors.Theoutdoorthermalefficiencyofconcentratordeviceistested.Theresultsindicatethattheoverallray'sreceivingrateof99.36%~51.51%andopticalefficiencyof92.14%~48.1%areobtainedfromtheincidenceangleof0°to7.5°withthemirrorreflectanceof0.92,thermalefficiencyoftheconcentratordeviceis43.2%.Keywords:solarenergy;CPC;geometricaloptics;thermalefficiency·981·,
本文标题:一种复合抛物面槽式太阳能聚光集热器的性能研究
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