INVESTIGATING THE EFFECTS OF DIRECT HEATING OF NATURAL GAS ON SOOT FORMATION, FLAME TEMPERATURE, LUMINOSITY AND EMISSIONS: A COMBINED EXPERIMENTAL AND NUMERICAL APPROACH

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JALILIMEHR MOHAMMAD; MOGHIMAN MOHAMMAD; NIAZMAND HAMID

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Journal: FUEL AND COMBUSTION Year:2018 | Volume:11 | Issue:1 Page(s): 83-99

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Title

INVESTIGATING THE EFFECTS OF DIRECT HEATING OF NATURAL GAS ON SOOT FORMATION, FLAME TEMPERATURE, LUMINOSITY AND EMISSIONS: A COMBINED EXPERIMENTAL AND NUMERICAL APPROACH

Author(s)

JALILIMEHR MOHAMMAD | MOGHIMAN MOHAMMAD | NIAZMAND HAMID | Issue Writer Certificate

Keywords

DIRECT HEATINGQ1

PRE- COMBUSTIONQ1

SOOTQ2

LUMINOSITYQ1

POLLUTANT EMISSIONSQ1

Abstract

In this paper, the effects of directly heating fuel (natural gas) in a gas- fired furnace equipped with a pre-combustor on SOOT production, LUMINOSITY, flame temperature and NOx emissions are investigated numerically and experimentally. Changing F1 and F2 (feeding) fuel rates, in constant total fuel flow rate, are conducted for various F1/F total ratios. A probability density function (PDF) which is parameterized by the mean and variance of mixture fraction was used to model the chemical reactions. To describe the effects of turbulences on SOOT formation, a Moss- Brooks model and a b-PDF in terms of normalized temperature is employed. The results reveal that for F1/F total<50%, the LUMINOSITY of flame increases due to the incomplete combustion of the feeding fuel ensuing SOOT production. This causes carbon monoxide (CO) emission to significantly increase. On the other hand, for F1/F total=85%, the maximum solid carbon mass fraction and the flame radiation increases by 9% and 15%, respectively. In addition, nitrogen oxides (NOx) emissions reduce to 52 ppm.

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APA: Copy

JALILIMEHR, MOHAMMAD, MOGHIMAN, MOHAMMAD, & NIAZMAND, HAMID. (2018). INVESTIGATING THE EFFECTS OF DIRECT HEATING OF NATURAL GAS ON SOOT FORMATION, FLAME TEMPERATURE, LUMINOSITY AND EMISSIONS: A COMBINED EXPERIMENTAL AND NUMERICAL APPROACH. FUEL AND COMBUSTION, 11(1 ), 83-99. SID. https://sid.ir/paper/138476/en

Vancouver: Copy

JALILIMEHR MOHAMMAD, MOGHIMAN MOHAMMAD, NIAZMAND HAMID. INVESTIGATING THE EFFECTS OF DIRECT HEATING OF NATURAL GAS ON SOOT FORMATION, FLAME TEMPERATURE, LUMINOSITY AND EMISSIONS: A COMBINED EXPERIMENTAL AND NUMERICAL APPROACH. FUEL AND COMBUSTION[Internet]. 2018;11(1 ):83-99. Available from: https://sid.ir/paper/138476/en

IEEE: Copy

MOHAMMAD JALILIMEHR, MOHAMMAD MOGHIMAN, and HAMID NIAZMAND, “INVESTIGATING THE EFFECTS OF DIRECT HEATING OF NATURAL GAS ON SOOT FORMATION, FLAME TEMPERATURE, LUMINOSITY AND EMISSIONS: A COMBINED EXPERIMENTAL AND NUMERICAL APPROACH,” FUEL AND COMBUSTION, vol. 11, no. 1 , pp. 83–99, 2018, [Online]. Available: https://sid.ir/paper/138476/en

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