Thin-Wall Pressure VesselsHoop and axial stress, and why a cylinder splits along its length.Mechanical EngineeringIn a thin cylinder the hoop stress is twice the axialstress, which is why they split lengthwise.hoop = p r ÷ t · axial = p r ÷ 2t · sphere = p r ÷ 2tp = 2 MPa, r = 500, t = 10Hoop = 100 MPaAxial = 50 MPa.Thin-wall valid whent below r ÷ 10Else thick-wall theory.Sphere, same p, r, tHalf the cylinder hoopBest pressure shape.THE COMMON MISTAKESubstituting the diameter for rr is the radiusUsing the diameter doubles every stress in the answer. Check the magnitudeagainst the material before you trust it.Assumes a thin wall, internal pressure and no end bending. Pressurevessel codes govern real design.Thin-Wall Pressure Vesselslearnposters.com
Thin-Wall Pressure Vessels — printable engineering wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Thin-Wall Pressure Vessels poster

The rule, 3 worked examples, and the mistake everyone makes.

Assumes a thin wall, internal pressure and no end bending. Pressure vessel codes govern real design.

Questions about the Thin-Wall Pressure Vessels poster

What’s on the Thin-Wall Pressure Vessels poster?
The rule, 3 worked examples, and the mistake everyone makes. In a thin cylinder the hoop stress is twice the axial stress, which is why they split…; hoop = p r ÷ t · axial = p r ÷ 2t · sphere = p r ÷ 2t; p = 2 MPa, r = 500, t = 10 = Hoop = 100 MPa; Thin-wall valid when = t below r ÷ 10; Sphere, same p, r, t = Half the cylinder hoop; Common mistake: Substituting the diameter for r → r is the radius. Assumes a thin wall, internal pressure and no end bending. Pressure vessel codes govern real design.
Who is the Thin-Wall Pressure Vessels poster for?
Thin-Wall Pressure Vessels belongs to the Mechanical Engineering section rather than to a school year, because engineering is not something one grade owns. Anyone learning mechanics of materials can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Thin-Wall Pressure Vessels poster?
Pipes, air receivers, hydraulic cylinders and any thin pressurised shell. A wall chart earns its place by being glanceable from where the work is happening, so Thin-Wall Pressure Vessels belongs on the wall where that engineering work actually happens, within glancing distance, rather than filed away.
What other posters go with Thin-Wall Pressure Vessels?
Axial Stress & Strain, Beam Bending Stress and Beam Deflection Cases sit alongside Thin-Wall Pressure Vessels in the Mechanical Engineering section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Axial Stress & StrainBeam Bending StressBeam Deflection Cases
Is the Thin-Wall Pressure Vessels poster free to download and print?
Yes. Thin-Wall Pressure Vessels downloads as a free PDF with no account, no email and no watermark, like everything else in the Mechanical Engineering section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Thin-Wall Pressure Vessels poster print at?
Thin-Wall Pressure Vessels is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Thin-Wall Pressure Vessels loses nothing.Printing guide

Related posters

Charts that sit alongside Thin-Wall Pressure Vessels on the same wall.

Browse every Mechanical Engineering poster, or start from the full catalogue.