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Question: hint can you solve it with applying the hint and...

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Hint:

In the problem four surfaces are involved: inner cylinder, outer cylinder, top closing surface, bottom surface. You shoulod write equations for radiosity for each of these surfaces, find the view factors for each pair of surfaces and account for the assumption made in the text that the upper and outer cylindrical surfaces are thermally insulated. Moreover, as the bottom surface is open to the outside space and radiation is flowing through it it can be imagined as an abstract closing surface, which is black, i.e. absorbing all radiation falling on it and not emitting, i.e. having temperature of 0 K No reference for the expression of the view factor Fi is given


Can you solve it with applying the hint and step by step?

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