Main equations
Here an equation
Q = k · A · ∆T˙ (1)
or another one
1 k =
1 αiri
+
n
X
j=1
1 λj
lnra,j ri,j
+ 1
αara
· rreference (2)
Nomenclature
Latin Letters
A area m2
k overall heat transfer coefficient W/(m2K) see eq. (2)
L length m SI base quantity
Q˙ heat flux W
∆T temperature difference K SI base quantity
T temperature K SI base quantity
Greek Letters
α convection heat transfer coefficient W/(m2K)
λ thermal conductivity W/K
Subscripts
a out
i in
j running parameter n number of walls
1
