A wasp nest is 15cm in diameter. Wasps huddle together in the center 10cm diamet

Question

A wasp nest is 15cm in diameter. Wasps huddle together in the center 10cm diameter of the nest and they are creating 104.6mW of heat generation. So there is a 5cm ribbon of the empty nest around the wasps. K=0.05 W/mC for the entire nest. (So Neglect the k of the wasps) The temperature of the outside is 0C.

Plot the temperature distribution inside the nest from the centerline to the outer edge of the nest?
The wasps need to stay above 4C, will they all survive?

Hints: -the problem is one demensional.
-You need to divide the nest into a heat generationg region and non-heat generating region.
- what terms can you eliminate from: q''=-kdeltaT=-k[i(dT/dr)+j(1/r)(dT/d?)+k{1/(rsin?)}(dT/d?)]

Explanation / Answer

sorry wrong post

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