Calculation of mean temperature for a tube sheet
Input data
Tube sheet:
Tube sheet thickness
h
mm
Inner diameter of holes
d
mm
Tube pitch
t
mm
Tube pitch type
triangular
square
Heat conductivity
λ
P
W/m/K
Tube hole surface:
Medium temperature
T
R
°C
Heat transfer coefficient
α
R
W/m²/K
Number of insulation layers
Thickness of the 1
st
insulation layer
s
R 1
mm
Heat conductivity for 1
st
insulation layer
λ
R 1
W/m/K
Thickness of the 2
nd
insulation layer
s
R 2
mm
Heat conductivity for 2
nd
insulation layer
λ
R 2
W/m/K
Thickness of the 3
rd
insulation layer
s
R 3
mm
Heat conductivity for 3
rd
insulation layer
λ
R 3
W/m/K
Thickness of the 4
th
insulation layer
s
R 4
mm
Heat conductivity for 4
th
insulation layer
λ
R 4
W/m/K
Thickness of the 5
th
insulation layer
s
R 5
mm
Heat conductivity for 5
th
insulation layer
λ
R 5
W/m/K
Thickness of the 6
th
insulation layer
s
R 6
mm
Heat conductivity for 6
th
insulation layer
λ
R 6
W/m/K
Top side:
Medium temperature
T
O
°C
Heat transfer coefficient
α
O
W/m²/K
Number of insulation layers
Thickness of the 1
st
insulation layer
s
O 1
mm
Heat conductivity for 1
st
insulation layer
λ
O 1
W/m/K
Thickness of the 2
nd
insulation layer
s
O 2
mm
Heat conductivity for 2
nd
insulation layer
λ
O 2
W/m/K
Thickness of the 3
rd
insulation layer
s
O 3
mm
Heat conductivity for 3
rd
insulation layer
λ
O 3
W/m/K
Thickness of the 4
th
insulation layer
s
O 4
mm
Heat conductivity for 4
th
insulation layer
λ
O 4
W/m/K
Thickness of the 5
th
insulation layer
s
O 5
mm
Heat conductivity for 5
th
insulation layer
λ
O 5
W/m/K
Thickness of the 6
th
insulation layer
s
O 6
mm
Heat conductivity for 6
th
insulation layer
λ
O 6
W/m/K
Bottom side:
Medium temperature
T
U
°C
Heat transfer coefficient
α
U
W/m²/K
Number of insulation layers
Thickness of the 1
st
insulation layer
s
U 1
mm
Heat conductivity for 1
st
insulation layer
λ
U 1
W/m/K
Thickness of the 2
nd
insulation layer
s
U 2
mm
Heat conductivity for 2
nd
insulation layer
λ
U 2
W/m/K
Thickness of the 3
rd
insulation layer
s
U 3
mm
Heat conductivity for 3
rd
insulation layer
λ
U 3
W/m/K
Thickness of the 4
th
insulation layer
s
U 4
mm
Heat conductivity for 4
th
insulation layer
λ
U 4
W/m/K
Thickness of the 5
th
insulation layer
s
U 5
mm
Heat conductivity for 5
th
insulation layer
λ
U 5
W/m/K
Thickness of the 6
th
insulation layer
s
U 6
mm
Heat conductivity for 6
th
insulation layer
λ
U 6
W/m/K
Calculate
Calculation
Effective heat transfer coefficient:
Tube surface
α
R eff
W/m²/K
Top side
α
O eff
W/m²/K
Bottom side
α
U eff
W/m²/K
Results
Tube sheet mean temperature
T
mid
°C
Tube sheet maximum temperature
T
max
°C
Tube sheet minimum temperature
T
min
°C
Heat flux:
Through tube hole surface
q
R
W/m²
Through top side
q
O
W/m²
Through bottom side
q
U
W/m²
Temperature distribution in tube sheet element:
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