Determine F12 and F21 for the following configurations using the reciprocity theorem and other basic shape factor

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Determine F12 and F21 for the following configurations using the reciprocity theorem and other basic shape factor relations. Do not use tables or charts.

(a) Long duct

(b) Small sphere of area A1 under a concentric hemisphere of area A2 = 2A1

(d) Long inclined plates (point B is directly above the center of A1)

(e) Sphere lying on infinite plane

(f) Hemisphere-disk arrangement

(g) Long, open channel

(h) Long concentric cylinders

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Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

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Question Posted: Mar 02, 2011 12:59 AM

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Determine F12 and F21 for the following configurations using the reciprocity theorem and other basic shape factor

Question:

e) (a) Az. hemisphere. diameter D A, disk diameter D2 1m A A2 2 m 100 mm. 200 mm

Step by Step Answer:

KNOWN Various geometric shapes involving two areas A and A2 FIND Shape factors F12 and F21 for each configuration ASSUMPTIONS Surfaces are diffuse ANA...View the full answer

Fundamentals of Heat and Mass Transfer

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