Declared shell geometry
Cylindrical vessel geometry
Inputs
User-entered inside diameter of the straight cylindrical shell.
User-entered cylindrical shell length between excluded heads or discontinuities.
User-entered uniform shell thickness used only for nominal outer geometry.
Results
Straight-cylinder internal volumeV
235.62
Straight-cylinder internal wetted area
1.885
Nominal straight-shell material volume
15.321
Vi = π(Di/2)²L; Ai = πDiL; Vshell = π[(Di/2+t)² − (Di/2)²]L
A first-pass number, not a code check, certification, or approval. Read the method and its limits below. What this is and is not.
Nearby: Axial response · Beam deflection & reactions · Elastic stability · Solid-shaft torsion
Method
Formula, when it applies, and when it does not
Calculate cylindrical internal volume, internal wetted area, and nominal straight-shell material volume from internal diameter, straight length, and wall thickness.
Vi = π(Di/2)²L; Ai = πDiL; Vshell = π[(Di/2+t)² − (Di/2)²]L
When
- Straight cylindrical shell
- Declared internal diameter and wall thickness
- No heads, nozzles, or discontinuities
- Geometry arithmetic only
Don’t
- This is straight cylindrical shell geometry only. It excludes heads, nozzles, discontinuities, membrane or local stress, pressure rating, corrosion allowance, external pressure, code compliance, safety, and approval.
AFFDL-TR-69-42, Stress Analysis Manual (US Air Force)