Insulation Heat Loss Calculation estimates Heat Loss from an Insulated and Bare
Vertical Flat Vessel surface along with calculation of Surface Temperature
Operating Temp.
°F
Ambient Temp.
°F
Wind Speed
mile/h
Insulation
Calcium Silicate
Cellular Glass
Elastomeric
Fiberglass
Mineral Wool
Polyisocyanurate
Temperature Range (0°F to 450°F)
Surface Emm. (ε)
0.04 - Aluminium, new, bright
0.10 - Aluminium, oxided, in service
0.10 - Galvanized steel, new, bright
0.13 - Stainless steel, new, cleaned
0.28 - Galvanized steel, dipped or dull
0.30 - Stainless steel, dull, in service
0.50 - Aluminized paint
0.80 - Painted metal
0.90 - All Service Jacket
0.90 - PVC jacketing
0.90 - No jacket
Thickness
inch
Temperature
° C
° K
° F
° R
Speed
mile/h
km/h
m/s
ft/min
Heat Loss
BTU/h.ft2
Kcal/h.m2
kW/m2