io薄膜用于汽車前屏風(fēng)的實驗研究_第1頁
io薄膜用于汽車前屏風(fēng)的實驗研究_第2頁
io薄膜用于汽車前屏風(fēng)的實驗研究_第3頁
io薄膜用于汽車前屏風(fēng)的實驗研究_第4頁
io薄膜用于汽車前屏風(fēng)的實驗研究_第5頁
全文預(yù)覽已結(jié)束

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報或認(rèn)領(lǐng)

文檔簡介

io薄膜用于汽車前屏風(fēng)的實驗研究

0融資ous/ito-scholice合作/案例5:德國普通國際所需5.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3infrrace-5.4.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.4和3.4.3.4.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3分析表明,由franet測試騎自行車的比率為50%,壓痕指數(shù)為22%。這是一個非常流行的測試工作,以反映路面的速度。Althoughfuscousfilmcanbeplatedontheautomobilessideandbackwindshield,theycandonothingtothefrontwindshield.Becausethevisiblelighttransmittanceoffrontwindshieldmustbenolessthan73%,accordingtothesaferegulationsofinternationalautomobiles.So,thethermalshieldingfilmappliedonautomobilefrontwindshieldcanonlyinsulateselectivesolarradiantenergy.98%ofsolarradiantenergyisinthewavelengthrangeof0.3~3μmandthereinto,thevisiblelightandinfraredraysaccountfor40%and44%,respectively.There_fore,howtoinsulateinfraredraysshouldbethefocusofattention.ITOfilmcanbeexpectedtomeetthegoal,forITOisan_typesemiconductorwithbroadband3.5~4.3eV,hightransmittancetovisiblelightandhighreflectivitytoinfraredrays.Itsphotoelectricitypropertyandmanufacturetech-nicshaveinterestedmanyscholars.ThispaperdealswiththepossibilityofapplyingITOfilmonautomobilefrontwindshieldandhopefully,theworkmaybroadtheapplicationareaofITOfilm.1內(nèi)省1.1非生物資本的sorcra行業(yè)sor和nra行業(yè)共同承擔(dān)的重新定義,ito+nraft/whichinficien投資的soracterityofficicicidingsicecidinggrace.srategrace.關(guān)于“soli1.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3Generally,theordinaryautomobilefrontwindshieldsaretransparenttoughenedglass.AsshowninFig.1,theyhaveatransmittance(T)over80%andalowreflectance(R)towholesolarspectrum.Apparently,theordinaryautomobilefrontwindshieldscaninsulateneithersolarradiantenergynorblackbodyradiantenergyandthushavenothermalshieldingandenergysavingeffect.ThespectrumcharacteristicsoftheautomobilefrontwindshieldswithITOfilmareshowninFig.2.Itisevidentthatitnotonlyhasareflectivityover90%tofarinfraredrayswithawavelengthover3μm,butalsohasaratherhighreflectivity(over70%atmost)tonearinfraredrayswithawavelengthof1~2.5μm.TheresultshowsthatITOfilmcaninsulatetheheattransmissionfrombothblackbodyradiationandtheinfraredportionofsolarradiation,andhasatransmittanceover80%tovisiblelightatthesametime,whichiscrucialandensuresthatthesaferegulationsofinternationalautomobilesarenotviolated.1.2相關(guān)聯(lián)作pca-siphing-siphing-eth-siphingTwoexperimentsweredone:thermalshieldingexperimentundersunlightandenergysavingexperimentwithelectricalsearing_ironasheatsource.ThesimulatingautomobiledeviceusedinthermalshieldingexperimentwasshowninFig.3andthatusedinenergysavingexperimentwasshowninFig.4.Thereinto,1,2,3refertotheordinary,coatedwithITOfilmautomobilefrontwindshieldandsimulatingautomobilebody,respectively.T1,T2,T3,T4arethermometers.B1andB2arevoltageadjustors.R1andR2areelectricalsearing-ironsforheating.V1andV2arevoltagemeters.1.2.1著點數(shù)字上的me務(wù)表面InswelteringJulyandAugust,thesimulatingdevicesshowninFig.3wereplacedundertheilluminatingofsunlight,randomlyastartingnumerationtimewasfixedandthediscrepancys(t1-t2)betweentwothermometerswerereadedevery5~10min.t1andt2denotetemperaturesinthesimu-latingdevicesequippedwithordinaryautomobilefrontwindshieldandthatcoatedwithITOfilm,respectively.Thetestlastednolessthan60mineverytimeandwasrepeatedseveraltimesinvariousdaysanddifferentperiodsofthesameday(morning,noonandafternoon).1.2.2untemperie-4,3,4,4,4.3.4.3.4.3.4.3.4.3.4.3.4.3.4.3.3.4.3.4.3.4.3.4.3.4.3.4.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3.3日非織造布爾的細(xì)Twoelectricalsearing-ironsR1andR2wereplacedintotwosimulatingautomobiledevicesasheatsources,showninFig.4,andwerelinkedtovoltageadjustorsB1andB2tocontrolheatingpower,respectively.B1andB2wereadjustedtostabilizeT3andT4onthesamebalancetemperaturest.Then,U1andU2,werereadandcompa-red,U1andU2denotetemperaturesinthesimula-tingdevicesequippedwithordinaryautomobilefrontwindshieldandthatcoatedwithITOfilm,respectively.TheenergysavingeffectofautomobilefrontwindshieldcoatedwithITOfilmcanthusbecalculated,comparedwiththatwithoutITOfilm.2反射器的半殖民化2.1全球最優(yōu)設(shè)計Inthesummerof2001,thermalshieldingexperimentsweredoneinGuangzhou,China.TheexperimentalresultsareshowninTable1.ThedatainTable1indicateanobvioustemperaturesdiscrepancysintwodevices.t2islessthant1.Thediscrepancyt2-t1increasesatthebeginningandbecomessteadyonthewholeafter30min,inspiteofabitfluctuation.Themaximum4~5.5℃,appearsinthemorningandtheminimumaround2.5℃,appearsatnoon.Table1ThetemperaturediscrepancyundertheilluminatingofsummersunlightInthemorning,theinfraredraysof0.8~3μmaccountforlargerportionofsolarradiationthatreachestheearth,sotheautomobilefrontwindshieldcoatedwithITOfilm,whichhashighreflectivitytoinfraredrays,hasbetterthermalshieldingeffectandleadstolargertemperaturediscrepancyt1-t2.Atnoon,thevisiblelightof0.3~0.8μmaccountsforamuchlargerportionofsolarradiationthatreachestheearthandso,thewindshieldcoatedwithITOfilm,whichhashightransmittancetovisiblelight,hasrelativelyweakerthermalshieldingeffectandleadstoasmallertemperaturediscrepancyt1-t2.IfthereflectivitycurveshowninFig.2(a)couldmoveinthedirectionofshortwaveby200nmonconditionthatthetransmissioncurveremainsunchanged,ITOfilmwouldinsulatealmost50%ofsolarradiation,andtemperaturediscrepancyt1-t2wouldpossiblyexceed10℃.Thisshouldbethefocusofourfuturework.2.2ito-sanding粒徑whichsiffityforadvsi內(nèi)部FivegroupsofexperimentsweredoneandtheresultsaregiveninTable2.AccordingtothedatainTable2,inordertokeepthesamebalancetemperature,thetwosimu-latingdevicesconsumemuchdifferentpowers.ThepowerneededbythedevicewithITOfilmis66%ofthatneededbythedevicewithordinarywindshield,thatistosay,34%oftheenergyissaved.Theradiationspectrumof40Welectricalsearing-ironentirelyfallsintoinfraredregion.So,theenergysavingeffectofITOfilmisobvious.ThehigherreflectivitytoinfraredraysofITOfilmis,thebetteritsenergysavingeffectis.Buthighreflectivitymeansthickfilmlayerandso,lowtransmittancetovisiblelight,whichisadifficultytobeovercomeintheresearchwork.3“/4.4”/h-pct-rendth/h-pctvisibut/index3.3.3.3.3.3.3.3.3.3.4和3.53.5.

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論