A plastic pipe carries deionized water in a microelectronics clean room, and one end of it is capped. the water pressure is p0 = 60 psi, and

Question

A plastic pipe carries deionized water in a microelectronics clean room, and one end of it is capped. the water pressure is p0 = 60 psi, and the cap is attached to the end of the pipe by an adhesive. calculate the shear stress present in the adhesive.

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Bơ 4 years 2021-09-01T22:18:10+00:00 1 Answers 1 views 0

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  1. trungdung22
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    2021-09-01T22:19:56+00:00
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    Answer:

    Where the height of the cap is less than or equal to the radius of the bore of the plastic pipe then the ⇵⇵shear stress  is less than o equal to 60 psi.

    Explanation:

    Shear stress = F/A

    where F = Applied force

    A = Cross sectional area of the member experiencing the force

    If the cap covers a section of the pipe of height, h then the area = 2πrh

    Where the 60 psi pressure is acting on the pipe bore, we have P₀ = 60 psi  = F₀/A₀ where A₀ = area of pipe bore ≈ πr². Therefore if F₀ = F then we have

    F₀/A₀ = F₀/πr² and F/A = F₀/2πrh = where h greater than or equal to 0.5×r then the shear stress is less than or equal to 60 psi

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