Chemical Engineering > GATE 2020 > Radiation Heat Transfer
A hollow cylinder of equal length and inner diameter (i.e., L=D) is sealed at both ends with flat plate, as shown in the figure. Its inner surfaces, A1, A2, and A3 radiate energy.
Fij denotes the fraction of radiation energy leaving the surface Ai which reaches the surface Aj. It is also known that F13=3-2√2. Which one of the following is correct?
Correct : b
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