Derive expressions for the view factor F 12 associated with the following arrangements. Express your results in

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Derive expressions for the view factor F12 associated with the following arrangements. Express your results in terms of A1, A2, and any appropriate hypothetical surface area, as well as the view factor for coaxial parallel disks (Table 13.2, Figure 13.5).

  (a) A circular disk and a coaxial, ring-shaped disk.

  (b) A circular disk and a coaxial, right-circular cone. Sketch the variation of F12 with θ for 0 < θ < π/2, and explain the key features.

 

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Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

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