Repeat Problem 10.1 for a medium of thickness L = 1 m. Discuss how the answer would change if κ varied between 0 and ∞. A semi-infinite, gray, nonscattering medium (n = 2, κ = 1 m−1 ) is irradiated...



Repeat Problem 10.1 for a medium of thickness L = 1 m. Discuss how the answer would change if κ


varied between 0 and ∞.



A semi-infinite, gray, nonscattering medium (n = 2, κ = 1 m−1


) is irradiated by the sun normal to


its surface at a rate of qsun = 1000 W/m2


. Neglecting emission from the relatively cold medium,


determine the local heat generation rate due to absorption of solar energy.


Hint: The solar radiation may be thought of as being due to a radiative intensity which has a large


value Io over a very small cone of solid angles δΩ, and is zero elsewhere, i.e.,

Nov 15, 2021
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