科普宣传ppt之能源危机savingenergy

WHYDOWE

NEEDTOSAVE

ENERGY?第一页，共四十五页。WithoutEnergyNoLife第二页，共四十五页。第三页，共四十五页。EARTHisafinite

system第四页，共四十五页。Nothingiscreated,NothingisdestroyedEverythingistransformed第五页，共四十五页。Source:BPStatisticalReviewofWorldEnergy2007World'sprovenoilreservesare1200billionbarrels

第六页，共四十五页。600billionbarrels

toextractfromtarsands

inCanadaandVenezuela+第七页，共四十五页。第八页，共四十五页。Theworldconsumptionofoil…第九页，共四十五页。

…continuestogrowthMillionBarrelsofOilaDayAnnualgrowthAnnualConsumption

RestoftheWorldUSAChina第十页，共四十五页。Withaworldoilconsumptiongrowthof1%peryear

…第十一页，共四十五页。40years…theoilreserveswillbe

exhaustedinlessthan第十二页，共四十五页。But…Remember!Theonlythingthatwehavetofear,itisthattheskymightfallonourheads!…andprecisely第十三页，共四十五页。In

200years,wewillhave

releasedintheatmosphere,thecarbon

thattooknature

600million

yearstotrap1850190019502000CO2第十四页，共四十五页。Thesealevelhasrisen15to20cm

overthe20thcenturyandisgoingtorise

another18to59cmbytheyear2100第十五页，共四十五页。第十六页，共四十五页。Wearelivinginaworld

inexponentialgrowth第十七页，共四十五页。2005100005000bef.JC10000bef.JC5million250millionin11billionin18003billionin19604billionin19755billionin19872billionin19306.5billionin2005Theworld

population

isincreasing第十八页，共四十五页。Theworldenergyconsumptionisincreasing1milliontonnesoilequivalent=11.6MWhSource:IEA,Mai200790%offossilenergyRnvEnergyNuclearNaturalgasOilCoalMillionsoftoe第十九页，共四十五页。Energycostisincreasing第二十页，共四十五页。HowmanyEarthsdoweneed?第二十一页，共四十五页。第二十二页，共四十五页。InChinese,"theword«

crisis

»ismadeupoftwoletters.

Onerepresentsdangerandtheotheropportunity"

第二十三页，共四十五页。Inonlyoneday,thesunprovidesthe

Earthwiththesameenergytothat

consumedbyhumanityin35years第二十四页，共四十五页。"With

ConcentratedSolarPowerStations,

onethousandthofthedesertssurface

wouldbesufficienttocover

theworld’sneedinelectricity"

HansMüller-SteinhagenHeadoftheInstituteofTechnicalThermodynamics

GermanAerospaceCenter第二十五页，共四十五页。第二十六页，共四十五页。Thesearetheelectricmotorsthatconsumethemostenergyintheindustry70%ElectrolysisOtherusesLightingElectricmotors9%4%17%第二十七页，共四十五页。Thepurchasecostofamotor

isnothinginrelationto

itscostofusePurchasecost2.5%Maintenancecost1.5%Energycost96%GlobalCostofanelectricmotor第二十八页，共四十五页。…andthesearemainlythe

frequencyinvertersthatallow第二十九页，共四十五页。...toreducetheenergyinvoice

whileadaptingthedemandtotheneed第三十页，共四十五页。第三十一页，共四十五页。Acentrifugalpumpor

afanischaracterizedby第三十二页，共四十五页。

AflowproportionaltothespeedQαv第三十三页，共四十五页。PressureProportional

tothesquarespeedpαv²第三十四页，共四十五页。Powerproportional

tothecubespeedpαv²Pαv3第三十五页，共四十五页。/2Acentrifugalpumporfanworkingtoits

nominalspeeddividedby2,

so,tothehalfofthemaximalflow第三十六页，共四十五页。/8…hasanenergyconsumption

dividedby8第三十七页，共四十五页。30upto40%energysavingscanberealizedfora

centrifugalpumporafan第三十八页，共四十五页。Withafrequencyinverter

theworkingandservicecostsdecrease第三十九页，共四十五页。第四十页，共四十五页。Asoftoday,

themanufacturesconsuming

themostefficientelectricenergy…第四十一页，共四十五页。…willbe,

themostcompetitive

manufactures

tomorrow第四十二页，共四十五页。Now,youknow第四十三页，共四十五页。PhilippeChâtel-LenzeThankYou

foryourattention第四十四页，共四十五页。内容总结WHYDOWENEED