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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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performanceinvestigationonasun？trackingcpcheatpipeevacuatedtubesolarcollector
, PP. 26-30
Keywords: cpc,heatpipeevacuatedtubecollector,suntracking,thermalperformance,efficiencynormalizationmethod
Abstract:
asun？trackingcpc(compoundparabolicconcentrator)heatpipeevacuatedtubesolarcollector(st？cpc？hpet？sc)withaconcentrationratioof2.3wassetup,whichintegratedthecpcandsun？trackingtechnologyintoheatpipeevacuatedtubecollectorthroughasimplecrank？linkmechanism.theheatcollectionperformanceofthisst？cpc？hpet？scwasexperimentallytestedunderconditionsoffixed,intermittent？trackingandcontinuous？tracking,respectively.theeffectoftrackingmodeonheatcollectiontimeandefficiencywasanalyzed.moreover,theheatefficiencywasfittedandnormalized,anditsinfluencingfactorswereanalyzed.theresultsshowedthat,thesun？trackingcpcscouldimprovethermalperformanceoftheheatcollectoreffectively,amongwhichthesimpleintermittenttypewaspreferred.efficientworkingtimeofthest？cpc？hpet？scundertrackingmodeswas6hours,2timesofthatunderthefixedcondition.thedailyaverageheatefficiencyofthest？cpc？hpet？scundertrackingconditionswas45%,about16%higherthanthatunderthefixedcondition.thenormalizedfittingregressioncoefficientswerebothlargerthan0.936,sothefittingprocesswasreliable.finally,theefficiencyinterceptsandheatlosscoefficientsofthest？cpc？hpet？scwereobtained.thisnovelst？cpc？hpet？sccanbeappliedinsolarmedium？temperaturethermalutilizationfields.
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