A rectangular nylon [E = 8 GPa; v = 0.35; d = 29 x 10-6/°C] plate has a circular hole in its center. At an initial temperature of T; = 19°C, the plate width is b = 360 mm, the plate height is h = 190 mm, the diameter of the central hole is d = 55 mm, and the thickness of the plate is t = 21 mm. At a final temperature of T=45°C, determine (a) the diameter d of the central hole. (b) the thickness t of the plate.

A rectangular nylon [E = 8 GPa; v = 0.35; d = 29 x 10-6/°C] plate has a circular hole in its center. At an initial temperature of T; = 19°C, the plate width is b = 360 mm, the plate height is h = 190 mm, the diameter of the central hole is d = 55 mm, and the thickness of the plate is t = 21 mm. At a final temperature of T=45°C, determine (a) the diameter d of the central hole. (b) the thickness t of the plate.

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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Concept explainers

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

A rectangular nylon [E = 8 GPa; v = 0.35; d = 29 x 10-6/°C] plate has a circular hole in its center. At an initial temperature of T; = 19°C,
the plate width is b = 360 mm, the plate height is h = 190 mm, the diameter of the central hole is d = 55 mm, and the thickness of the
plate is t = 21 mm. At a final temperature of T=45°C, determine
(a) the diameter d of the central hole.
(b) the thickness t of the plate.
Answers:
(a) df = i
(b) t= i
b
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