Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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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 bur…
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The two bars (1) and (2) are made of the aluminum with E = 70 GPa, has the same cross section of 100 mm x 20 mm, and supported by rigid supports at A and C. The coefficient of thermal expansion of the material is 23 x 10–6/oC. At T = 25oC, the two bars have a gap of 5 mm as shown.

a) What is the reaction force (in KN) at fixed support A when the temperature is 100oC?

b) What is the reaction force (in KN) at fixed support C when the temperature is 100oC?

c) What is the stress (in MPa) in bar (1) when the temperature is 100oC?

d) What is the stress (in MPa) in bar (2) when the temperature is 100oC?

The two bars (1) and (2) are made of the aluminum with E = 70 GPa, has the same cross section of 100 mm x 20 mm, and supported by rigid supports at A and C. The coefficient of thermal expansion of the material is 23 x 10-6/°C. At T = 25°C, the two bars have a gap of 5 mm as shown. (1) (2) A B C 1.6 m 2.8 m 5 mm gap
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Transcribed Image Text:The two bars (1) and (2) are made of the aluminum with E = 70 GPa, has the same cross section of 100 mm x 20 mm, and supported by rigid supports at A and C. The coefficient of thermal expansion of the material is 23 x 10-6/°C. At T = 25°C, the two bars have a gap of 5 mm as shown. (1) (2) A B C 1.6 m 2.8 m 5 mm gap
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