Nomenclature b = chamber width D = species diffusivity D m = diameter of group m droplets e = gas-phase specific internal energy h k = specific enthalpy of species k MK = molar mass of species k n m = number of group m droplets per unit volume p = pressure R = perfect gas constant T = temperature t = time u = axial gas velocity u m = axial droplet velocity V = gas velocity V m = droplet velocity v = transverse gas velocity v m = transverse droplet velocity x = axial direction y = transverse direction z = radial direction A = thermal conductivity H = viscosity p = gas-phase density p k = partial density of species k p L = liquid density