Primary and secondary stresses in flowed tube walls
FEM calculation
Attention!
This calculation is only a simplified estimation and does not replace a detailed design calculation.
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Input data
Name
Value
Unit
Outer diameter of the tube
D
a
mm
Wall thickness of the tube
s
mm
Tube division in the flowed tube wall
t
mm
Flowed thickness
s
F
mm
Heat conductivity
λ
W/m/K
Thermal expansion coefficient
β
1/K
Elasticity module
E
N/mm²
Poisson´s ratio
ν
Water side
Pressure
p
W
bar
Temperature
T
W
°C
Heat transfer coefficient
α
W
W/m²/K
Gas side
Temperature
T
G
°C
Heat transfer coefficient
α
G
W/m²/K
Heat flux density
q
G
kW/m²
Outside
Temperature
T
E
°C
Heat transfer coefficient
α
E
W/m²/K
Heat flux density
q
E
kW/m²