C^* dimensionless concentration = C/C_o

Z^* dimensionless axial coordinate = Z/DH

c_p^* dimensionless specific heat = c_p/c_po

Greek symbols

d diameter (m)

β venturi diameter ratio=Throat diameter/2R

D^* dimensionless mass diffusion coefficient = D/D_o

λ^*dimensionless thermal conductivity = λ/λ_o

DH hydraulic diameter (m) = 2R

ρ^* air dimensionless density = ρ/ρ_o

M molar mass (kg∙mol⁻¹)

µ^* air dimensionless viscosity = μ/μ_o

Pr Prandtl number = μ_oc_po/λ_o

Subscripts

Re Reynolds number = ρ_oU_oDH/μ_o

a air

Sc Schmidt number= μ_o/ρ_oD_o

amb ambient

T^* dimensionless temperature = T/T_o

b bulk quantity

t^* dimensionless time = tU_o/DH

d droplets

U^* gas dimensionless axial velocity component = U/U_o

ev evaporation

S^*dimensionless source term = S/S_o

o inlet

V^* gas dimensionless radial velocity component = V/U_o

p particles

X^* dimensionless radial coordinate = X/DH

w wall

W^* dimensionless water vapor mass fraction = W/W_o