Q6) A) Determine the view factors F12 and F21 for the very long ducts shown in Figure below without using any view factor tables or charts. Neglect end effects. (a) Semicylindrical duct. (b) Triangular duct. (c) Rectangular duct. (a) (b) (c) B) Consider a spherical container of inner radius r1, outer radius r2, and thermal conductivity k. Express the boundary condition on the inner surface of the container for steady one-dimensional conduction for the following cases: (a) specified temperature of 50°C, (b) specified heat flux of 30 W/m2 toward the center, (c) convection to a medium at T with a heat transfer coefficient of h. Spherical container

Q6) A) Determine the view factors F12 and F21 for the very long ducts shown in Figure below without using any view factor tables or charts. Neglect end effects. (a) Semicylindrical duct. (b) Triangular duct. (c) Rectangular duct. (a) (b) (c) B) Consider a spherical container of inner radius r1, outer radius r2, and thermal conductivity k. Express the boundary condition on the inner surface of the container for steady one-dimensional conduction for the following cases: (a) specified temperature of 50°C, (b) specified heat flux of 30 W/m2 toward the center, (c) convection to a medium at T with a heat transfer coefficient of h. Spherical container

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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