Statics and Mechanics of Materials (5th Edition)
5th Edition
ISBN: 9780134382593
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 9.6, Problem 73P
The cylinder CD of the assembly is heated from T1 = 30°C to T2 = 180°C using electrical resistance. Also, the two end rods AB and EF are heated from T1 = 30°C to T2 = 50°C. At the lower temperature T1 the gap between C and the rigid bar is 0.7 mm. Determine the force in rods AB and EF caused by the increase in temperature. Rods AB and EF are made of steel, and each has a cross-sectional area of 125 mm2. CD is made of aluminum and has a cross-sectional area of 375 mm2. Est = 200 GPa, Eal = 70 GPa, αst = 12(10−6)/°C, and αal = 23(10−6)/°C.
Probs. 9-72/73
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The central bar CD of the assembly is heated from 30 ° C to 180 ° C by means of an electrical resistance. Also the two bars AB and EF are heated from 30 ° C to 50 ° C. At the lower temperature of 30 ° C, the space between C and the rigid bar is 0.7 mm.
Determine the force in bars AB and EF caused by the increase in temperature. Bars AB and EF are made of steel and each has a cross-sectional area of 125 mm ^ 2; CD is aluminum with a cross-sectional area of 375 mm ^ 2. Steel = 200GP; Ealuminum = 70 GPa; alpha steel = 12 X10 ^ -6 (1 / ºC); alpha aluminum = 23 X10 ^ -6 (1 / ° C).
The center rod CD of the assembly is heated from T₁ = 30 °C to T₂ = 165
°C using electrical resistance heating. At the lower temperature T₁ the gap
between C and the rigid bar is 0.7 mm. Rods AB and EF are made of
steel, and each has a cross-sectional area of 125 mm². CD is made of
aluminum and has a cross-sectional area of 375 mm². Est = 200 GPa,
Eal = 70 GPa, and cal = 23 (10-) /°C.
(Figure 1)
Figure
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240 mm
300 mm
Determine the force in the rod AB caused by the increase in temperature.
Express your answer to three significant figures and include the appropriate units.
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Request Answer
Determine the force in the rod EF caused by the increase in temperature.
Express your answer to three significant figures and include the appropriate units.
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The cylinder CD of the assembly is heated from T1 = 30°C to T2 = 180°C using electrical resistance. At the lower temperature T1 the gap between C and the rigid bar is 0.7 mm. Determine the force in rods AB and EF caused bythe increase in temperature. Rods AB and EF are made of steel, and each has a cross-sectional area of 125 mm2. CD is made of aluminum and has a cross-sectional area of 375 mm2. Est = 200 GPa, Eal = 70 GPa, and aal = 23(10-6)>°C.
Chapter 9 Solutions
Statics and Mechanics of Materials (5th Edition)
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