C 热辐射 辐射换热（C thermal radiation for heat transfer）

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1、C热辐射辐射换热（Cthermalradiationforheattransfer）Thispaperiscontributedbyhdyu123156ThePPTdocumentmaynothaveagoodbrowsingexperienceattheWAPend.ItisrecommendedthatyouchooseTXT,ordownloadthesourcefiletothenativeview.HeatTransferinHeatTransferChapterviiiradiationtransferThischapter

2、firstlyfromtheviewpointofelectromagneticradiation,torealizethethismassandthermalradiationandsomeofthefeaturesofradiantenergytransferprocess,andsomeofthefeaturesofradiantenergytransferprocess,thermalradiationofafewbasiclaw,simplecalculationofradiationheattransfer.Thislaw,

3、thesimplecalculationofradiationheattransfer.Thecharacteristicsofthischapteraremorebasicconcepts.ThecharacteristicsofthischapteraremorebasicconceptsLiangxiuofhuabeipoweruniversityHeatTransferinHeatTransferThebasicconceptof§8-1thermalradiationOne,radiationandthermalradiati

4、onRadiationistheobjectthroughthephenomenonofelectromagneticwaveenergy.Radiationistheobjectthroughthephenomenonofelectromagneticwaveenergy.IstheobjectthroughthephenomenonofelectromagneticwaveenergyTherearemanykindsofformsofradiation,therearemanykindsofformsofradiation,the

5、differenceistolaunchelectricmagneticwaveincentives,magneticwaveexcitationinadifferentway,andexternalperformanceisthewavelengthoftheradiationisnotthesame,andabsorbtheradiationenergyeffectcausedbydifferent.After,andabsorbtheeffectcausedbydifferentafterradiationenergy.Therm

6、alradiationisobjectbecauseofheatgeneratedbytheradiation.Radiationisbecauseofthermalradiationgeneratedbytheobject.Itisanobjectbecauseofthermalradiationgeneratedbytherole:objectsabsorbradiantenergyturnedthemintotheirinternalenergy.Afterrole:objectsabsorbradiantenergyturned

7、themintotheirinternalenergy.Afterthewavelengthrange:0.1~1000mumwavelengthrange:0.11000micronsLiangxiuofnorthChinaelectricpoweruniversityHeatTransferinHeatTransferHuabeipoweruniversityLiangXiujunHeatTransferinHeatTransferThepurpleblueBlue,green,huangOrangeredVisiblewavele

8、ngthrange:0.38visiblewavelengthrange:0.38~0.76mummumLiangxiuofhuabeipoweruniversityHeatTransferinHeatTr