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Numerical simulation of aerodynamics and pulverized coal combustion in the dual-nozzle vortex furnace

Denis V. Krasinsky
Kutateladze Institute of Thermophysics SB RAS, Lavrentyev ave., 1, 630090, Novosibirsk; and Nuclear Safety Institute of RAS, Moscow, Russia

要約

The work is devoted to numerical modelling of pulverized-coal combustion processes in the vortex furnace which is a prospective design of a boiler unit for thermal power stations. Novel modification of this furnace design characterized by additional tangential-injection nozzle located at the upper part of the vortex combustion chamber has been studied. Numerical results for the case of siberian brown coal combustion in this vortex furnace with dual upper-port loading are presented, including 3-D aerodynamic structure, the fields of temperatures, radiated heat fluxes, species and dispersed phase concentrations, and NOx emissions.

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