外界辐射加热与对流冷却同时作用于边界表面。
Boundary surfaces were simultaneously exposed to both radiative heating and convective cooling.
物料加热表面受到对流冷却，并讨论了物料的吸收系数，折射率，导热系数，换热系数，物料表面辐射特性对温度场的影响。
The effects of absorption coefficient, refractive index, heat conductivity, convective heat-transfer coefficient and radiative properties of the surf ace on the temperature field are discussed too.
结论：通过降低热点区SAR值的方法增加EHS，用表面冷却法增加EHD，提高微波辐射器性能。
Conclusion: With the enlarged EHS by decrease the SAR at hot spot and increased EHD by means of water superficial cooling, the MW-applicator capabilities can be improved.
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