Problem 17-1 - Example 17-1 The inside of a cylinder 6 ft...

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Example 17-1 The inside of a cylinder 6 ft in diameter and 4.5 ft high forms a radiation enclosure composed of three surfaces. Find the view factor 3 3 F . Surface 3 is the inside of the curved side wall of the cylinder. Evaluate view factors with a formula rather than a graph (check results with the graph). Solution: First find the view factor 1 2 F . Consult Figure 14-18. 1 1 3 0.667 4.5 r R L = = = 2 2 3 0.667 4.5 r R L = = = 2 2 2 1 1 1 R S R + = + ( ) ( ) 2 2 1 0.667 1 4.25 0.667 S + = + =
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