Browse > Article
http://dx.doi.org/10.6108/KSPE.2012.16.5.010

Study of Flame Structure by Chemiluminescence and Laser Diagnostics in Model Gas Turbine Combustor  

Yoon, Ji-Su (서울대학교 기계항공공학부 대학원)
Kim, Min-Ki (서울대학교 기계항공공학부 대학원)
Lee, Min-Chul (서울대학교 기계항공공학부 대학원)
Yoon, Young-Bin (서울대학교 기계항공공학부, IAAT)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.16, no.5, 2012 , pp. 10-19 More about this Journal
Abstract
To eliminate the onset of combustion instabilities and develop effective approaches for control, flame structure is very important. In this study, we conducted experiments under various operating conditions with a model gas turbine combustor to examine the relation of combustion instability and flame structure by OH chemiluminescence and laser diagnostics of He-Ne laser absorbtion system. The swirling LNG($CH_4$)/air flame was investigated with overall equivalence ratio of 1.2 and dump plane fuel-air mixture velocity 25 ~ 70 m/s. We founded that the combustion instability phenomenon occurs at lower mixing velocity and higher mixing velocity conditions. We also concluded that fluid dynamical vortex frequency has major effects on the combustion instability characteristics at lower mixing velocity condition.
Keywords
Combustion Instability; Vortex Structure; Gas Turbine Combustor; OH Chemiluminescence; Laser Diagnostics;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 David g. Lilley, "Swil flows in combustion," AIAA Journal, Vol. 15, No. 8, 1977, pp.1063-1078   DOI   ScienceOn
2 Deasik Kim, Jong Guen Lee, Bryan D. Quay, Domenic A. Santavicca, Kwanwoo Kim and Shiva Srinvasan, "Effect of Flame Structure on the Flame Transfer Function in a Premixed Gas Turbine Combustor," Jounal of Engineering of Gas Turbines and Power, Vol. 132, No. 2, 021502, 2010   DOI   ScienceOn
3 김민기, 윤지수, 황정재, 윤영빈, "모형 덤프 연소기에서 혼합기 유입구 길이 변화에 따른 연소불안정 특성에 대한 실험적 연구", 한국추진공학회지, 제16권, 제4호, 2012, pp.57-69   과학기술학회마을   DOI
4 N. Bouvet, C. Chauveau, I. Gokalp, S.-Y. Lee and R.J. Santoro, "Characterization of Syngas Laminar Flames using the Bunsen Burner Configuration," International Journal of Hydrogen Energy, Vol. 36, Issue 1, 2011, pp.992-1005   DOI   ScienceOn
5 Dash CJ, "One-Dimensionnal Tomography: a Comparison of Abel, Onion-Peeling and Filtered Back Projection Methods," Appled Optics, Vol. 31, No. 8, 1992, pp.1146-1152   DOI
6 J.W.S.Rayleigh, The Theory of Sound-Vol. 2, Nabu Press, New York, 1945, p.226
7 C Kulsheimer and H Büchner, "Combustion Dynamics of Turbulent Swirling Flames," Combust. Flame, Vol. 131, No. 2, 2002, pp.70-84   DOI   ScienceOn
8 Timothy C. Lieuwen, "Investigation of combustion instability mechanisms in premixed gas turbines," Georgia Institute of Technology, Ph.D thesis, 1999, pp.1-52
9 김민기, 박성순, 윤지수, 윤영빈, 윤한우, "발전용 GE 7FA+e DLN-2.6 가스터빈 연소기의 최적 연소조건 제어 및 프로그램 개발," 한국항공우주학회 추계학술대회, 2010, pp.1118-1121
10 김민기, 이장수, 박성순, 이종근, 윤영빈, "모형 가스터빈 연소기에서의 연소 불안정 모드 분석에 관한 실험적 연구," 한국연소학회지, 제15권, 제1호, 2010, pp.12-21   과학기술학회마을
11 P.palies, D.Durox, T.Schuller, S.Candel, "The combined dynamics of swirler and turbulent premixed swirling flames," Combustion and Flame, 2010, pp.1698-1717
12 M.Stohr, I.Boxx, C.Carter, W.Meier, "Dynamics of lean blowout of a swirl-stabilized flame in a gas turbine model combustor," Proceedings of the Combustion Institute, 2011, Vol. 33, No. 2, pp.2953-2960   DOI   ScienceOn
13 박성순, 김민기, 윤지수, 윤영빈, "모형 가스 터빈 연소기에서 화염구조와 연소불안정 특성에 대한 실험적 연구," 한국추진공학회지, 제15권, 제4호, 2011, pp.26-34