Nomenclature
A	[m2]	Heat transfer surface area
As	[m2]	Heat exchanger surface area
B	[K/W]	$\frac{platethickness}{{\lambda }_{plate}A}$
Cp	[J/(kg·K)]	Specific heat
C	[W/K]	$\dot{m}Cp$ heat capacity
D	[m]	Equivalent diameter
f	[-]	Friction factor
h	[J/kg]	Specific enthalpy
L	[m]	Length of the plate
m	[kg/s]	Mass flow rate
Nu	[-]	Nusselt number
P	[kPa]	Pressure
Pr	[-]	Prandtl number
Q	[W]	Heat transfer rate
Re	[-]	Reynolds number
Rf	[m2·K/W]	Resistance due to fouling
S	[m2]	Total cross-sectional surface area
s	[J/(kg·K)]	Specific entropy
T	[K]	Temperature
U	[W/(m2·K)]	Overall heat transfer coefficient
v	[m/s]	Mean velocity
Wi	[m]	Width of the plate
W	[W]	Power output
w	[W/m2]	Power output per unit of surface area
x	[-]	Vapor quality
α	[W/(m2·K)]	Heat transfer coefficient
ΔT	[K]	Temperature difference
λ	[W/(m·K)]	Thermal conductivity
Λ	[-]	Lagrange multiplier
μ	[Pa·s]	Dynamic viscosity
ρ	[kg/m3]	Density
τ	[Pa]	heat exchanger wall shear stress