The Effect of External Radiative Heating on Ignition Temperature of Diesel Fuel for DeNOx
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The system considered in this model consists of a single, semi-transparent, diesel fuel droplet, which is immobile in the heating area and surround by a quiescent air. A uniform external radiation field surrounds the droplet. Results from mathematical simulation suggest that because of the higher surface temperature, the external radiative heating of the droplet can promote an earlier ignition of the fuel vapour/air mixture. The radiative heating of the droplet increases the mass transfer from the droplet to the surrounding gas-phase, thus decreasing the heterogeneity of the fuel droplet/air system.
Abstract
The system considered in this model consists of a single, semi-transparent, diesel fuel droplet, which is immobile in the heating area and surround by a quiescent air. A uniform external radiation field surrounds the droplet. Results from mathematical simulation suggest that because of the higher surface temperature, the external radiative heating of the droplet can promote an earlier ignition of the fuel vapour/air mixture. The radiative heating of the droplet increases the mass transfer from the droplet to the surrounding gas-phase, thus decreasing the heterogeneity of the fuel droplet/air system.