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Heat transfer processes
Heat-transfer coefficient
heat-transfer efficiency
k =
W/(m
2
·K)
x
W/(m
2
·K)
heat-transfer coefficient on 1st boundary surface
α
1
=
W/(m
2
·K)
x
W/(m
2
·K)
heat-transfer coefficient on 2nd boundary surface
α
2
=
W/(m
2
·K)
x
W/(m
2
·K)
thickness of partition or heat-conducting layer of solid
l
=
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
heat conduction of solid (partition)
λ =
W/(m·K)
x
W/(m·K)
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"
