A cylindrical pipe with diameter d = 1.0 m is subject to internal pressure p = 5.0 MPa but it is free to expand along the length so that only hoop stress o = pd/2t is developed in the wall. a. what is the optimum orientation for the fibers?, and why? b. what is the required wall thickness and material type that yields the minimum thickness? c. Compare the weight per unit length of the minimum weight pipe with a pipe made out of 6061-T6 aluminum with a yield strength of 270 MPa and density p = 2.70 g/cc Use the same load and resistance factors.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A cylindrical pipe with diameter d = 1.0 m is subject to internal pressure p = 5.0 MPa but it is free to expand along the length so that only hoop stress o = pd/2t is developed in the wall.

a. what is the optimum orientation for the fibers?, and why?

b. what is the required wall thickness and material type that yields the minimum thickness?

c. Compare the weight per unit length of the minimum weight pipe with a pipe made out of 6061-T6 aluminum with a yield strength of 270 MPa and density p = 2.70 g/cc Use the same load and resistance factors.

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