The effect of inverse diffusion flame burner-diameter on flame characteristics and emissions

Basem A. Rabee

Energy, 2018, vol. 160, issue C, 1201-1207

Abstract: An experimental investigation was performed to study the effect of change of the IDF burner diameters on the flame characteristics (flame length, axial temperature distribution, and flame appearance) and flame emissions. The study was performed using a coaxial (CoA) circular inverse diffusion flame burners of different diameters. Burners' air diameters (da) were varied from 6 mm to 22.5 mm. The burner fuel diameters were varied according to the change of air diameter to preserve constant equivalence ratio and constant aspect ratio (0.5). The study is carried out at constant equivalence ratio (Φ = 3) and constant air Reynolds number (Rea = 2500). The measured parameters are the flame axial temperature, flame appearance, and emission along the flame center line. The results show significant differences in the flame appearance. The smaller diameters produce shorter flame lengths. The visible flame lengths were varied from 170 to 300 mm. Also, an early formation of CO & CO2and early depletion of O2 were obtained by reducing the burner's sizes. For all the experiments conducted in the present study, the centerline temperature distribution produced by the smaller nozzles diameters show higher flame temperature. The Peak temperatures were varied according to burner size, from 1600 to 950 °C.

Keywords: Inverse diffusion flame; Emission; Flame appearance; Non premixed flame; Coaxial flame (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0360544218313586
Full text for ScienceDirect subscribers only

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:160:y:2018:i:c:p:1201-1207

DOI: 10.1016/j.energy.2018.07.061

Access Statistics for this article

Energy is currently edited by Henrik Lund and Mark J. Kaiser

More articles in Energy from Elsevier
Bibliographic data for series maintained by Catherine Liu ().