NUMERICAL AND TWO-DIMENSIONAL STUDY OF THE INFLUENCES OF THE SWIRL OF FUEL ON THE STRUCTURE AND THE ENVIRONMENTAL FEATURES OF A GAS DIFFUSION FLAME

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JAMALZAD FALLAH SINA; MAHMOUDIMEHR JAVAD

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Journal: FUEL AND COMBUSTION Year:2018 | Volume:11 | Issue:2 Page(s): 31-50

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Title

NUMERICAL AND TWO-DIMENSIONAL STUDY OF THE INFLUENCES OF THE SWIRL OF FUEL ON THE STRUCTURE AND THE ENVIRONMENTAL FEATURES OF A GAS DIFFUSION FLAME

Author(s)

JAMALZAD FALLAH SINA | MAHMOUDIMEHR JAVAD | Issue Writer Certificate

Keywords

DIFFUSION FLAMEQ2

SWIRLQ1

EMISSION OF POLLUTANTSQ2

NUMERICAL MODELINGQ2

OPTIMIZATIONQ2

Abstract

The positive influence of the SWIRL of reactants on the air- fuel mixing has been widely discussed in previous studies. However, they have been mostly focused on the SWIRL of air. The present work numerically investigates the influences of the SWIRL of fuel on the structure and the environmental features of a DIFFUSION FLAME, while the SWIRL of air is kept constant. The results show that the increase of fuel SWIRL is associated with the increase of mixing rate, flame width, and flame peak temperature, and the decrease of CO emission and flame length. However, the trend of the variation of NO with fuel SWIRL number has a minimum somewhere in the middle. The results also illustrate that the co- SWIRL injection leads to higher mixing rate, peak temperature, emission of NO, and lower emission of CO, as compared to the counter- SWIRL injection. In this work, the optimum SWIRL of fuel is observed to have the same value and to be in the same direction as the SWIRL of air. In this case, the emissions of NO and CO are decreased by 15.2% and 92.7% as compared to the reference design (in which the fuel has no SWIRL), respectively.

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APA: Copy

JAMALZAD FALLAH, SINA, & MAHMOUDIMEHR, JAVAD. (2018). NUMERICAL AND TWO-DIMENSIONAL STUDY OF THE INFLUENCES OF THE SWIRL OF FUEL ON THE STRUCTURE AND THE ENVIRONMENTAL FEATURES OF A GAS DIFFUSION FLAME. FUEL AND COMBUSTION, 11(2 ), 31-50. SID. https://sid.ir/paper/138517/en

Vancouver: Copy

JAMALZAD FALLAH SINA, MAHMOUDIMEHR JAVAD. NUMERICAL AND TWO-DIMENSIONAL STUDY OF THE INFLUENCES OF THE SWIRL OF FUEL ON THE STRUCTURE AND THE ENVIRONMENTAL FEATURES OF A GAS DIFFUSION FLAME. FUEL AND COMBUSTION[Internet]. 2018;11(2 ):31-50. Available from: https://sid.ir/paper/138517/en

IEEE: Copy

SINA JAMALZAD FALLAH, and JAVAD MAHMOUDIMEHR, “NUMERICAL AND TWO-DIMENSIONAL STUDY OF THE INFLUENCES OF THE SWIRL OF FUEL ON THE STRUCTURE AND THE ENVIRONMENTAL FEATURES OF A GAS DIFFUSION FLAME,” FUEL AND COMBUSTION, vol. 11, no. 2 , pp. 31–50, 2018, [Online]. Available: https://sid.ir/paper/138517/en

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