科普宣傳ppt之能源危機savingenergy

WHYDOWE

NEEDTOSAVE

ENERGY?第一頁，共四十五頁。WithoutEnergyNoLife第二頁，共四十五頁。第三頁，共四十五頁。EARTHisafinite

system第四頁，共四十五頁。Nothingiscreated,NothingisdestroyedEverythingistransformed第五頁，共四十五頁。Source:BPStatisticalReviewofWorldEnergy2007World'sprovenoilreservesare1200billionbarrels

第六頁，共四十五頁。600billionbarrels

toextractfromtarsands

inCanadaandVenezuela+第七頁，共四十五頁。第八頁，共四十五頁。Theworldconsumptionofoil…第九頁，共四十五頁。

…continuestogrowthMillionBarrelsofOilaDayAnnualgrowthAnnualConsumption

RestoftheWorldUSAChina第十頁，共四十五頁。Withaworldoilconsumptiongrowthof1%peryear

…第十一頁，共四十五頁。40years…theoilreserveswillbe

exhaustedinlessthan第十二頁，共四十五頁。But…Remember!Theonlythingthatwehavetofear,itisthattheskymightfallonourheads!…andprecisely第十三頁，共四十五頁。In

200years,wewillhave

releasedintheatmosphere,thecarbon

thattooknature

600million

yearstotrap1850190019502000CO2第十四頁，共四十五頁。Thesealevelhasrisen15to20cm

overthe20thcenturyandisgoingtorise

another18to59cmbytheyear2100第十五頁，共四十五頁。第十六頁，共四十五頁。Wearelivinginaworld

inexponentialgrowth第十七頁，共四十五頁。2005100005000bef.JC10000bef.JC5million250millionin11billionin18003billionin19604billionin19755billionin19872billionin19306.5billionin2005Theworld

population

isincreasing第十八頁，共四十五頁。Theworldenergyconsumptionisincreasing1milliontonnesoilequivalent=11.6MWhSource:IEA,Mai200790%offossilenergyRnvEnergyNuclearNaturalgasOilCoalMillionsoftoe第十九頁，共四十五頁。Energycostisincreasing第二十頁，共四十五頁。HowmanyEarthsdoweneed?第二十一頁，共四十五頁。第二十二頁，共四十五頁。InChinese,"theword?

crisis

?ismadeupoftwoletters.

Onerepresentsdangerandtheotheropportunity"

第二十三頁，共四十五頁。Inonlyoneday,thesunprovidesthe

Earthwiththesameenergytothat

consumedbyhumanityin35years第二十四頁，共四十五頁。"With

ConcentratedSolarPowerStations,

onethousandthofthedesertssurface

wouldbesufficienttocover

theworld’sneedinelectricity"

HansMüller-SteinhagenHeadoftheInstituteofTechnicalThermodynamics

GermanAerospaceCenter第二十五頁，共四十五頁。第二十六頁，共四十五頁。Thesearetheelectricmotorsthatconsumethemostenergyintheindustry70%ElectrolysisOtherusesLightingElectricmotors9%4%17%第二十七頁，共四十五頁。Thepurchasecostofamotor

isnothinginrelationto

itscostofusePurchasecost2.5%Maintenancecost1.5%Energycost96%GlobalCostofanelectricmotor第二十八頁，共四十五頁?！璦ndthesearemainlythe

frequencyinvertersthatallow第二十九頁，共四十五頁。...toreducetheenergyinvoice

whileadaptingthedemandtotheneed第三十頁，共四十五頁。第三十一頁，共四十五頁。Acentrifugalpumpor

afanischaracterizedby第三十二頁，共四十五頁。

AflowproportionaltothespeedQαv第三十三頁，共四十五頁。PressureProportional

tothesquarespeedpαv2第三十四頁，共四十五頁。Powerproportional

tothecubespeedpαv2Pαv3第三十五頁，共四十五頁。/2Acentrifugalpumporfanworkingtoits

nominalspeeddividedby2,

so,tothehalfofthemaximalflow第三十六頁，共四十五頁。/8…h(huán)asanenergyconsumption

dividedby8第三十七頁，共四十五頁。30upto40%energysavingscanberealizedfora

centrifugalpumporafan第三十八頁，共四十五頁。Withafrequencyinverter

theworkingandservicecostsdecrease第三十九頁，共四十五頁。第四十頁，共四十五頁。Asoftoday,

themanufacturesconsuming

themostefficientelectricenergy…第四十一頁，共四十五頁?！瓀illbe,

themostcompetitive

manufactures

tomorrow第四十二頁，共四十五頁。Now,youknow第四十三頁，共四十五頁。PhilippeChatel-LenzeThankYou

foryourattention第四十四頁，共四十五頁。內(nèi)容總結(jié)WHYDOWENEED