采用Monte-Carlo法对不等温空腔的有效发射率进行计算分析,讨论了腔壁的不等温性、材料的光谱发射率和方向发射率对法向有效发射率的影响,为黑体辐射源的设计提供了理论计算依据.%The radiation properties of noniaothermal cavity was calculated by Monte-Carlo method. The effective emissivity corrections affected by the temperature distribution along the cavity wall, the spectral effective emissivities and the directional emissivities have been discussed. It can be used as the theo-retial calculation basis for the design calculation of blackbody radiation source.
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