传热学第五版课后习题答案(1)(DOC)

代入公式得:1012200?00.2?3?d???6(0.175??0.85)?400d???100.9?(2400?200?)d???62001012?03?d???6400d???10(2400?200?)d?61002?40022?[0.2??][0.5?0.175??0.85?][0.9?2400??100?]3?1002?400(10?6)?[?][2400??100?2]3106061210061210

??0.4625

所以,该表面的吸收比为0.4625.

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