The absorptivity of flat metal plate is determined by coat absorptivity and that of the surface porous metal plate is by not only the coat absorptivity but also the porous ratio and the dimension of the hole.

 
  • 摘要光滑金属板的作为吸热板芯时,其吸收率取决于涂层的吸收率,而用表面多孔板作为吸热板芯时,其吸收率则取决于板孔隙率和孔尺寸与涂层的吸收率。
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