Nomenclature

μ

[kg/m·s⁻¹]

film dynamic viscosity

υ_o

[m·s⁻¹]

Mean velocity

α

[m²/s]

thermal diffusivity

k

[W/mK]

Thermal conductivity of the fluid

ρ

[kg/m³]

liquid density

D

[m²/s]

species diffusivity

β

[K⁻¹]

cubic expansivity of fluid

T_w

[˚C]

dimensional wall temperature

T_in

[K]

inlet refrigerant temperature

C_in

[%]

initial absorbent concentration

C_eq

[%]

equilibrium absorbent concentration

g

[m·s-1²]

Acceleration due to gravity

h₀

[m]

Mean film thickness

ν

[m²/s]

kinematic viscosity of fluid

Ha

[kJ/kg]

heat of absorption

Pv

[mm·Hg]

absorbent vapour pressure