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Jem Eripol
Jem Eripol
  • 850
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The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10

Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.

Edit: The unit of measurement in the formula is:

For English system: stresses should be in pounds per sq.inch (psi) while dimensions should be in inches (in.)

For SI system: stresses should be in megaPascal (MPa), and dimensions should be in millimeters (mm)

The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10

Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.

Edit: The unit of measurement in the formula is:

For English system: stresses should be in pounds per sq.inch (psi) while dimensions should be in inches (in.)

For SI system: stresses should be in megaPascal (MPa), and dimensions should be in millimeters (mm)

The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10

Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.

Edit: The unit of measurement in the formula is:

For English system: stresses should be in pounds per sq.inch (psi) while dimensions should be in inches (in.)

For SI system: stresses should be in megaPascal (MPa), and dimensions should be in millimeters (mm)

added 296 characters in body
Source Link
Jem Eripol
Jem Eripol
  • 850
  • 5
  • 16

The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10 Note

Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.

Edit: The unit of measurement in the formula is:

For English system: stresses should be in pounds per sq.inch (psi) while dimensions should be in inches (in.)

For SI system: stresses should be in megaPascal (MPa), and dimensions should be in millimeters (mm)

The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10 Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.

The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10

Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.

Edit: The unit of measurement in the formula is:

For English system: stresses should be in pounds per sq.inch (psi) while dimensions should be in inches (in.)

For SI system: stresses should be in megaPascal (MPa), and dimensions should be in millimeters (mm)

Source Link
Jem Eripol
Jem Eripol
  • 850
  • 5
  • 16

The basic formula used in analyzing thin-walled spherical pressure vessel is:

stress = PD / 4t

where P is the pressure inside or outside, D is the inner diameter, and t is the wall thickness.

therefore:

t = PD / [(allowable stress of the material) * 4]

Note that this formula is only applicable if D/t >= 10 Note also that allowable stress in acrylic is 10,000 psi @ room temperature. This changes when you submerge this in water, so might want to consider this too.