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1、徐光宇2011200566SolarSolargenerallyreferstothesun'sradiationenergy.Carriedoutinthesolarinteriorfrom"H"togetherintoa"helium"thenuclearreaction,keptahugereleaseofenergy,andcontinuetothespaceradiationenergy,whichissolarenergy.Thissolarnuclearfusionreactioninsidethecantomaintainthehundredsofmillions
2、oftimes.Solarradiationtospacelaunch3.8x10^23kWpoweroftheradiation,ofwhich20billionthoftheEarth'satmospheretoreach.SolarenergyreachingtheEarth'satmosphere,30%oftheatmospherereflectance,23%ofatmosphericabsorption,andtheresttoreachtheEarth'ssurface,Itspowerof80trillionkW,thatistosayasecondexposu
3、retothesun'senergyonEarthisequivalenttofivemilliontonsofcoalcombustionheatrelease.Theaveragepersquaremeterintheatmosphereoutsidetheareaofenergyperminutetoreceiveabout1367w.Abroadsenseofthesolarenergyonearthmanysources,suchaswindenergy,chemicalenergy,potentialenergyofwaterandsoon.Thenarrowsens
4、eislimitedtosolarradiationofsolarlightthermal,photovoltaicandphotochemicalconversionofthedirectly.Atthisstage,theworld'ssolarenergyisstillthefocusofthestudyofsolarenergypowerplant,butthediversificationoftheuseofthecondenser,andtheintroductionofflat-platecollectorandalowboilingpointworkingflui
5、d,thedevicegraduallyexpandeduptomaximumoutputpower73.64kW,ObjectiveTocomparetheclearandpractical,costremainshigh.Theconstructionofatypicaldeviceareasfollows:1901,Californiabuiltasolar-poweredpumpingdevices,theuseoftruncatedconecondenserpower:7.36kW;1902~1908years,builtintheUnitedStatesfiveset
6、sofdouble-cyclesolar-poweredengines,theuseofflat-panelcollectorandalowboilingpointworkingfluid;in1913,Humanuseofsolarenergyhasalonghistory.Chinamorethan2000yearsago,backintheWarringStatesperiod,onewillfindthattheuseoffoursteelmirrortofocussunlightignition;useofsolarenergytodryagriculturalprod
7、ucts.Thedevelopmentofmodern,solarenergyhasbecomeincreasinglywidespreaduse,itincludestheuseofsolarenergysolarthermal,solarphotovoltaicandsolarenergyuse,suchasthephotochemicaluse.Theuseofsolarphotochemicalreaction,apassiveuse(photo-thermalconve
