第五章辐射换热(RadiationHeatTransfer)5.1辐射的基本概念 一、辐射的本质 辐射——物体通过电磁波传递能量的过程 热辐射——是由于物体内部微观粒子的热运动状态改变时，而将部分内能转变成电磁波的能量发射出去的过程。热辐射的两大特点可以在真空中传播；能量形式在传播过程中发生了变化 5.1辐射的基本概念 由于起因...
C热辐射辐射换热(Cthermalradiationforheattransfer) Thispaperiscontributedbyhdyu123156 ThePPTdocumentmaynothaveagoodbrowsingexperienceatthe WAPend.ItisrecommendedthatyouchooseTXT,ordownloadthe sourcefiletothenativeview. HeatTransferinHeatTransfer Chapterviiiradiationtransfer ...
第五章辐射换热(RadiationHeatTransfer)5.1辐射的基本概念 一、辐射的本质 辐射——物体通过电磁波传递能量的过程 热辐射——是由于物体内部微观粒子的热运动状态改变时，而将部分内能转变成电磁波的能量发射出去的过程。热辐射的两大特点可以在真空中传播；能量形式在传播过程中发生了变化 5.1辐射的基本概念 由于起因...
1、第五章 辐射换热(Radiation Heat Transfer) 5.1辐射的基本概念 一、辐射的本质 辐射物体通过电磁波传递能量的过程 热辐射是由于物体内部微观粒子的热运动状态改变时,而将部分内能转变成电磁波的能量发射出去的过程。热辐射的三大特点 可以在真空中传播; 能量形式在传播过程中发生了变化 一切物体只要温度大于0K,就...
Typesofheatenergy Sensibleheat thermometer Latentheat releasedorstoredinaphasechange FirstLawofThermodynamics: energycannotbecreatedordestroyed,butcanbe: CONVERTED TRANSFERRED EnergyTransferMechanisms: Conduction energytransmittedwithinasubstancebycollisionofmolecules ...
Chapter12 RadiationHeatTransfer Radiationistheenergyemittedbymatterintheformofelectromagneticwaves(orphotons)asaresultofthechangesintheelectronicconfigurationsoftheatomsormolecules.Unlikeconductionandconvection,thetransferofenergybyradiationdoesnotrequirethepresenceofaninterveningmedium.Infact,energytransferbyradiationis...
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