In class, we learned that most of the suns radiation happensin the ban...

In class, we learned that â€mostâ€ of the sunâ€™s radiation happens in the band 0.2 ?...

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Mechanical Engineering

In class, we learned that â€mostâ€ of the sunâ€™s radiation happensin the band 0.2 ? ? ? 3Âµm, and Stephen asked what â€mostâ€ means.What proportion of solar radiation (for a black body sun) falls inthe above wavelength range. Similarly, what proportion of theEarthâ€™s radiation (black body Earth at 290K) occurs in thewavelength band 4 ? ? ? 40Âµm? What wavelength range contains themiddle 95% of the sunâ€™s radiation?

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1 Given that T 5778 K for a blackbody sun 1T 02 5778 1156 mK and 2T 3 5778 17334 mK the blackbody radiation functions are determined from Table 1112 Introduction to Thermodynamics See Answer

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In class, we learned that â€mostâ€ of the sunâ€™s radiation happens in the band 0.2 ?...