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Example calculation

Increasing of stresses in the tubesheet and heating tubes at closed tubesheet holes

for triangular pattern tubesheet, and full-strength welded closings

Attention!
This calculation is only a simplified estimation, and does not replace a detailed design calculation.

Input data

 tubesheet thickness  mm
 tube pitch  mm
 hole diameter  mm
 number of closings 
 number of missing edge tubes 
 
 load case 
 shell side pressure  bar
 tube side pressure  bar
 tubesheet stress  MPa
 tube tensile force  kN
 tube compressive force  kN
 
   
 

Increased stresses and forces

 load case 
 tubesheet stress  MPa
 tube tensile force  kN
 tube compressive force  kN
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