Browse > Article
http://dx.doi.org/10.3795/KSME-B.2013.37.1.051

Study on Lean-Premixed Combustion Characteristics of Dual-Stage Burner  

Jang, Jae Hwan (School of Environmental Energy and Mechanical Engineering, University of Science and Technology)
Cho, Ju Hyeong (Korea Institute of Machinery and Materials)
Kim, Han Seok (Korea Institute of Machinery and Materials)
Lee, Sang Min (Korea Institute of Machinery and Materials)
Kim, Min Kuk (Korea Institute of Machinery and Materials)
Ahn, Kook Young (Korea Institute of Machinery and Materials)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.37, no.1, 2013 , pp. 51-57 More about this Journal
Abstract
This study aims to experimentally investigate the combustion characteristics of a lean premixed swirl-stabilized burner with dual-stage fuel injection arrays. The results show that a variation in the fuel distribution to fuel stages 1 (upstream) and 2 (downstream) produces a noticeable change in the NOx and CO emissions. Reducing the confined ratio, defined as the ratio of the nozzle exit diameter to the liner diameter, may reduce NOx and CO emissions owing to reduced combustion loading and longer residence time, respectively. A nozzle exit velocity of 30 m/s shows the optimum characteristics in terms of NOx and CO emissions and flame stability: increasing or decreasing the nozzle exit velocity leads to a degradation in emissions or flame stability, respectively.
Keywords
Lean Premixed Combustor; Axial Swirl; NOx Emission; CO Emission; Staged Fuel Injection;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 2011, Commercialization of Cogeneration Plants Using 200kW Micro-Turbine, Planning Report, Ministry of Knowledge Economy.
2 Lefebvre, A. H., 1983, Gas Turbine Combustion, McGraw-Hill.
3 Fietelberg, A. S. and Lacey, M. A., 1997, "The GE Rich-Quench-Lean Gas Turbine Combustor," ASME, 97-GT-127.
4 Griebel, P., Fischer M., Hassa Ch., Magens E., Nannen, H., Winandy, A., Chrystostomou, A., Meier, U. and Stricker, W., 1997, "Experimental Investigation of an Atmospheric Rectangular Rich Quench Lean Combustor Sector for Aeroengines," ASME, 97-GT-146.
5 Kim, H. S., Lim, A. H., Ahn, K. Y. and Lee, S. M., 2004, "Study on the Combustion Characteristics of a Lean-Premixed Combustor," Journal of Korean Society Combust, Vol. 9, No. 1, pp. 25-31.
6 Cohen, H., Rogers, G. F. C. and Saravanamutto, H. I. H., 1987, Gas Turbine Theory, 3rd edition, Longman Scientific & Technical, England, pp. 414.
7 Williams, F. A., 1985, Combustion Theory, 2nd edition, Benjamin & Cuminy Publishing Inc. Menlo Park, Califonia.
8 Oh, K. S. and Ahn, K. Y., 1997, "A Study on Design Technology of Turbomachinery," Korea Institute of Machinery & Materials Research, UCN 304-521.M.
9 Oh, K. S. and Ahn, K. Y., 1997, "Development of Aerodynamic Design and Analysis Technology for TurboGenerator and Relevant Fluid Machines (І)," Korea Institute of Machinery & Materials Research.
10 Ahn, K. Y., Kim, H. S., Bae, J. H. and Cho, E. S., 1998, "An Experimental Study for Preliminary Design of Gas Turbine Combustor," Trans. Korean Soc. Mech. Eng. B, Vol. 22, No. 6, pp. 840-848.
11 Kim, H. S., Arghode, W. K. and Gupta, A. K., 2009, "Combustion Characteristics of a Lean Premixed LPG-Air Combustor," International Journal of Hydrogen Energy, Vol. 34, Issue 2, pp. 1045-1053.   DOI   ScienceOn
12 Kim, H. S., Arghode, V. K. and Gupta, A. K., 2009, "Flame Characteristics of Hydrogen- Enriched Methane-Air Premixed Swirling Flames," International Journal of Hydrogen Energy, Vol. 34, Issue 2, pp. 1063-1073.   DOI   ScienceOn
13 Turns, S. R., 2000, An Introduction to Combustion: Concepts and Applications, 2nd edition, McGraw- Hill, p. 752.