Cylinders Joint Efficiency + Spherical Pressure Vessels (Lecture # 3)

Mechanics of Solids-2

Cylinders Joint Efficiency + Spherical Pressure Vessels (Lecture # 3) – PDF

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Download Mechanics of Solids-2 (Lecture # 3) – PDF

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Cylinders Joint Efficiency + Spherical Pressure Vessels (Lecture # 3) – Excerpt

Mechanics of Solids-2

Summary of Previous Lectures

Table of Content for Lecture # 3

JOINT EFFICIENCY

JOINT EFFICIENCY

Longitudinal stress is given by,

If A is the gross area and Aeff is the effective resisting area then,  Efficiency = Aeff/A

If η c=Efficiency of circumferential joint  Efficiency = Aeff/A

Bursting force = (π d2/4)p

Resisting force = σL ×A′eff = σL ×ηc ×A′ = σL ×ηc ×π d t

Where η L=Efficiency of circumferential joint

Bursting force = Resisting force

Max permissible pressure in the tank, p = 2.88 MPa.

Sample Problem # 2

  1. b) Let limiting tensile stress = Longitudinal stress = σ L = 120N/mm2.

(ii) To find the permissible pressure for an internal diameter of 1.5m:  (d=1.5m=1500mm)

Thin Walled Spherical Pressure Vessels

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