pressure tank

Solution to Problem 225 Biaxial Deformation

225 Welded steel cylindrical drum

Problem 225

A welded steel cylindrical drum made of a 10-mm plate has an internal diameter of 1.20 m. Compute the change in diameter that would be caused by an internal pressure of 1.5 MPa. Assume that Poisson’s ratio is 0.30 and E = 200 GPa.

Solution to Problem 141 Pressure Vessel

Strength of Materials 4th Edition by Pytel and Singer
Problem 141 page 28

Given:
Wall thickness = 1/8 inch
Internal pressure = 125 psi
The figure below:

Figure P-141

Required: Maximum longitudinal and circumferential stress

Solution to Problem 138 Pressure Vessel

138 Joints of cylindrical tank

Strength of Materials 4th Edition by Pytel and Singer
Problem 138 page 38

Given:
Strength of longitudinal joint = 33 kips/ft
Strength of girth joint = 16 kips/ft
Internal pressure = 150 psi

Required: Maximum diameter of the cylinder tank

Solution to Problem 135 Pressure Vessel

Problem 135

Calculate the minimum wall thickness for a cylindrical vessel that is to carry a gas at a pressure of 1400 psi. The diameter of the vessel is 2 ft, and the stress is limited to 12 ksi.

Solution to Problem 134 Pressure Vessel

134 Spherical tank

Strength of Materials 4th Edition by Pytel and Singer
Problem 134 page 28

Given:
Diameter of spherical tank = 4 ft
Wall thickness = 5/16 inch
Maximum stress = 8000 psi

Required: Allowable internal pressure

Solution to Problem 133 Pressure Vessel

133 Longitudinal section of cylindrical steel pressure vessel

Strength of Materials 4th Edition by Pytel and Singer
Problem 133 page 28

Given:
Diameter of cylindrical pressure vessel = 400 mm
Wall thickness = 20 mm
Internal pressure = 4.5 MN/m2
Allowable stress = 120 MN/m2

Required:
Longitudinal stress
Tangential stress
Maximum amount of internal pressure that can be applied
Expected fracture if failure occurs

Thin-walled Pressure Vessels

FBD of pressured tank

A tank or pipe carrying a fluid or gas under a pressure is subjected to tensile forces, which resist bursting, developed across longitudinal and transverse sections.

TANGENTIAL STRESS (Circumferential Stress)
Consider the tank shown being subjected to an internal pressure p. The length of the tank is L and the wall thickness is t. Isolating the right half of the tank:

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