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Example calculation

Calculation of gusset stays

in accordance with EN 12953-3

Attention!
This calculation is only a simplified estimation, and does not replace a detailed design calculation.
General input data:
 Name   Wert   Einheit 
Outside diameter of the vessel shell DM mm
Wall thickness of the vessel shell eM mm
Thickness of the flat head eP mm
Supporting width of a plate rim sK mm
Type of the flame tubes   
Inside pressure pi bar
Allowable stress for the gusset stays Sall N/mm²
Allowable stress for the flat head Sall P N/mm²
Gusset stays design (see sketchs):
   φ 
[°]
 h 
[mm]
 eg 
[mm]
 LM 
[mm]
 LP 
[mm]
 rM 
[mm]
 rP 
[mm]
 ξM 
[mm]
 ξP 
[mm]
 1 
 2 
 3 
 4 
 5 
 6 
 7 
 8 
Coordinates
of tube bundle corners:
   x 
[mm]
 y 
[mm]
 1 
 2 
 3 
 4 
 5 
 6 
 7 
 8 
Sketchs:
 

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