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本文对金属(钢铁砂型类 GB 型)的法向比辐射率ε_n 与表面粗糙度Ra 之间的关系进行了实验测量,并在微机上做了最佳拟合,从而获得了经验公式。
In this paper, the relationship between normal emissivity ε_n and surface roughness Ra of metal (steel sand type GB) was experimentally measured, and the best fitting was done on the microcomputer, and the empirical formula was obtained.