As a result,the distribution of gas temperature becomes closer to the measured data than that obtained without considering turbulence-particle reaction interactions.

Journal of Combustion Science and Technology

A particle stochastic trajectory model for turbulence-particle reaction interactions is proposed.Based on that model,a comprehensive model of pulverized-coal combustion is formulated and applied to the numerical simulation of turbulent multiphase flow and combustion in a pulverized-coal-fired swirl combustor.The calculated results provide the distributions of gas temperature,velocity,and root mean square of fluctuating temperature.It also provides changes with time in the particle temperature,velocity,bulk density,as well as the instantaneous variations of particle temperature and mass.It indicates that the temperature distributions of both gas and particle phases are affected when considering turbulence-particle reaction interactions.As a result,the distribution of gas temperature becomes closer to the measured data than that obtained without considering turbulence-particle reaction interactions.

As a result,the distribution of gas temperature becomes closer to the measured data than that obtained without considering turbulence-particle reaction interactions.

Simulation of Turbulent Multiphase Flow and Pulverized Coal Combustion in Swirl Combustor