Effect of evaporation of liquid droplets on the distribution of parameters in a two–species laminar flow

A calculation model was developed, and the heat– and mass–transfer characteristics in a laminar air–vapor–droplet flow moving in a round tube were studied numerically. The distributions of parameters of the two–phase flow over the tube radius were obtained for varied initial concentrations of the gas phase. The calculated heat and mass transfer is compared to experimental data and calculations of other authors. It is shown that evaporation of droplets in a vapor–gas flow leads to a more intense heat release as compared to a one–species vapor–droplet flow and one–phase vapor flow.