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1、SolarenergyutilizationAbstractThehistoryofsolarenergyinrecenttimescanbecalculatedfromtheyearof1615whenFrenchengineintheworld.Theinventionwasregardingapumpingmachine,whichtheairwasheatedbyutilizingthesolarenergytoexpandtodoworkondrawingwater.Duringtheperiodof1615to1900,man
2、ysetsofsolar-powereddeviceweremostlyemployedphotospotmethodtocollectthesunlight,whichthepowerofenergywasnotsoeffective,andimpracticalinvalue.Mostofthemachineweredesignedandmanufacturedbythefansofsolarenergy.Keywordenergysolarenergyexploitcourse1energyconsumptionEnergymean
3、sthepowerwhichdoesworkanddrivesmachines.Alllivingthings(includinghumans)relyonthesunasasourceofenergy.Coal,petroleum,andnaturalgasareenergysourcesavailabletodaybecauseorganismsinthepastcapturedsunlightenergyandstoreditinthecomplexorganicmoleculesthatmadeuptheirbodies,whic
4、hwerethencompressedandconcentrated.Withthedevelopmentofsociety,alargeofenergysourceshavebeenused,suchascoal,petroleum,andnaturalgas,geothermalenergy,nuclearfissionpower,solarenergy,andHydrodgengas.However,underthecircumstances,thequantityofenergysourceislimited.Unlimitedu
5、sageofenergysourceresultsinenergycrisis.Atpresent,mostoftheenergyconsumedbyhumansisproducedfromfossilfuels.Thegreatestrecoverablefossilisintheformofcoalandlignite.Althoughworldcoalresourcesareenormousandpotentiallycanfillenergyneedsforacenturyortwo,theirutilizationislimit
6、edbyenvironmentaldisruptionfromminingandemissionsofcarbondioxideandsulfurdioxide.Thesewouldbecomeintolerablelongbeforecoalresourceswereexhausted.Onlyasmallpercentageofcoalandlignitehasbeenutilizedtodate,whereasmuchoftherecoverablepetroleumandnaturalgasalreadybeenconsumed.
7、Petroleumhasseveralcharacteristicsthatmakeitsuperiortocoalasasourceofenergy.Itsextractioncauseslessenvironmentaldamagethandoescoalmining.Itisamoreconcentratedsourceofenergythancoal,anditburnswithlesspollution,anditcanbemovedeasilythroughpipes.Thesecharacteristicsmakesitan
8、idealfuelforautomobiles.Sincefirstcommercialoilwellin1895,somewhatmorethan100millionbarrelsofoil
