INSAFOAM INSULATION THERMAL CALCULATION
pipe id
pipe od
case id
ins thk
743
762
863
50.5
mm
mm
mm
mm
r1
r2
r3
0.3715
0.381
0.4315
0.0505
50
0.024
Kpipe
Kinsulation
7C
m
m
m
m
W/mK
W/mk
chilled water
ambient
Tw
Tamb
convection heat transfer coeficient
convection heat transfer coeficient
inside surface resistance
outside surface resistance
hi
ho
Rsi
Rso
3600
7.5
0.000277778
0.133333333
2.237967778
W/m²K
W/m²K
m²K/W
m²K/W
R3/(R1hi)
R3ln(R2/R1)/Kpipe
R3ln(R3/R2)/Kinsulation
1/ho
0.000322641
0.000217912
2.237833351
0.133333333
m²K/W
m²K/W
m²K/W
m²K/W
U Value
U
0.421637201 W/m²K
Heat Loss
Q
Temp diff
10.54093001 W/m²
25 C
Casing Temperature
Temp diff = Q/U =
T case = Tamb-temp diff=
Result
1.405457335 C
28.59 C
Insulation THK OK
By Q = U x temp diff
temp diff = Q/U
Ambient
Dew Point
30oC 80% RH
26.2 C
95% RH
5C
30 C
ON