Question: Two aligned parallel rectangles with dimensions 6 mx 8 m are spaced apart by a distance of 2 m. If the two parallel rectangles are

Two aligned parallel rectangles with dimensions 6 mx 8 m are spaced apart by a distance of 2 m. If the two parallel rectangles are experiencing radiation heat transfer as black surfaces, determine the percentage of change in radiation heat transfer rate when the rectangles are moved 8 m apart.

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