Browse > Article
http://dx.doi.org/10.5916/jkosme.2008.32.5.737

A Study on Preferential Diffusion Effects in $H_2/CO/CO_2$ Syn-gas Flames  

Kim, Tae-Kwon (계명대학교 기계자동차공학부)
Park, Jeong (부경대학교 기계공학부)
Ha, Ji-Soo (계명대학교 에너지환경공학과)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.32, no.5, 2008 , pp. 737-746 More about this Journal
Abstract
Numerical study is conducted to grasp preferential diffusion effects on flame characteristics in $H_2/CO$ syn-gas diffusion flames diluted with $CO_2$. The models of Sun et al. and David et al., which have been well known to be best-fitted for $H_2/CO$ synthetic mixture flames. are evaluated for $H_2/CO$ synthetic mixture flames diluted with $CO_2$. Comparison of flame structures with mixture-averaged species diffusion and suppression of the diffusivities of $H_2$ and H was made. The behaviors of maximum flame temperatures with those species diffusion models are not explained by scalar dissipation rate but by the nature of chemical kinetics. Importantly-contributing reaction steps to heat release rate are also compared for the three species diffusion models in $H_2/CO/CO_2$ flames with and without $CO_2$ dilution.
Keywords
null; Diffusivity; Heat release rate; Preferential diffusion;
Citations & Related Records
연도 인용수 순위
  • Reference
1 C. G. Fotache , Y. Tan, C. J. Sung, and C. K. Law, 'Ignition of $CO/H_2/N_2 $ versus heated air in counterflow: experimental and modeling results', Combust Flame Vol. 120, pp. 417-426, 2000   DOI   ScienceOn
2 S. G. Davis, A. V. Joshi, H. Wang, and F. Egolfopoulos, 'An optimized kinetic model of $H_2/CO $combustion', Proc Combust Inst Vol. 30, pp. 1283-1292, 2005   DOI   ScienceOn
3 H. Sun, S. I. Yang, G. Jomaas, and C. K. Law, 'High-pressure laminar flame speeds and kinetic modeling of carbon monoxide /hydrogen combustion', Proc Combust Inst Vol. 31, pp. 439-446, 2007   DOI   ScienceOn
4 F. Liu, and O. Gulder,, 'Effects of H2and H preferential diffusion and unity Lewis number on superadiabatic flame temperatures in rich premixed methane flames,' Combust. Flame Vol. 143, pp.264-281, 2005.   DOI   ScienceOn
5 P. Wang,, S. Hu,. and R. Ritz, 'Numerical investigation of the curvature effects on diffusion flames,' Proc. Combust. Inst., Vol. 31, pp.989-996, 2007   DOI   ScienceOn
6 H. K. Chellian, C. K. Law, T. Ueda, M. D. Smooke and F. A. Williams, 'An Experimental and Theoretical Investigation of the Dilution, Pressure and Flow-field Effects on the Extinction Condition of Methane-Air- Nitrogen Diffusion Flames', Proc. Comb. Institut., Vol. 23, p. 503, 1990
7 Y. Ju, H. Guo, K. Maruta and F. Liu, 'On the Extinction Limit and Flammability Limit of Non-adiabatic Stretched Methane-air Premixed Flames', J Fluid Mech, Vol. 342, p. 315, 1997   DOI   ScienceOn
8 J. Park , S. I. Keel, Y. H. Yun, and T. K. Kim, 'Effects of addition of electrolysis in methane-air diffusion flame', Int J Hydrogen Energy Vol. 32, pp. 4059-4070, 2007   DOI   ScienceOn
9 R. J. Kee, F. M. Rupley and J. A. Miller, 'Chemkin II: A Fortran Chemical Kinetics Package for Analysis of Gas Phase Chemical Kinetics', SAND 89-8009B, 1994
10 I. C. Mclean, D. B. Smith, and S. C. Taylor', 'The use of carbon monoxide /hydrogen burning velocities to examine the rate of the CO+OH reaction', Proc Combust Inst Vol. 25, pp. 749-757, 1994   DOI   ScienceOn
11 R. J. Kee, G. Dixon-Lewis, J. Warnatz, M. E. Coltrin and J. A. Miller, 'A Fortran Computer Code Package for the Evaluation of Gas- phase Multi-component Transport', SAND 86-8246, 1994
12 R. J. Kee, J. A. Miller, G. H. Evans and G. Dixon-Lewis, 'A Computational Model of the Structure and Extinction of Strained, Opposed Flow, Premixed Methane-Air Flame,' Proc. Comb. Institut., Vol. 22, p. 1479, 1988
13 J. Natarajan, T. Lieuwen, and J. Seitzman, 'Laminar flame speeds of $H_2/CO$ mixtures: effects of $CO_2$ dilution, preheat temperature, and pressure', Combust Flame Vol. 151, pp. 104-109, 2007   DOI   ScienceOn
14 I. G. Zsely, J. Zador, and T. Turanyi, 'Uncertainty analysis of updated hydrogen and carbon monoxide oxida- tion mechanisms', Proc. Combust Inst Vol. 30, pp. 1273-1281, 2005   DOI   ScienceOn
15 C. M. Vagelopoupos and F. N. Egolfopoulos, 'Laminar flame speeds and extinction strain rates of mixtures of carbon monoxide with hydrogen, methane, and air', Proc Combust Inst Vol. 25, pp. 1317-1323, 1994   DOI   ScienceOn
16 M. J. Brown, I. C. Mclean, D. B. Smith, and S. C. Taylor, 'Markstein lengths of $CO/H_2/air$ flames using expanding spherical flames', Proc Combust Inst Vol. 26, pp. 875-881, 1996   DOI   ScienceOn
17 A. E. Lutz, R. J. Kee, J. F. Grcar and F. M. Rupley, 'A Fortran Program for Computing Opposed-flow Diffusion Flames', SAND 96-8243, 1997
18 F. Liu,, H. Guo,, G. J. Smallwood, and O. Gulder,, 'Numerical study of the superadiabatic flame temperature phenomenon in hydrocarbon premixed flames,' Proc. Combust. Inst., Vol. 29, pp.1543-1550, 2002   DOI   ScienceOn
19 B. Ruf,, F. Behrendt,, O. Deutchmann,, S. Kleditzsch,, and J. Warnatz, 'Modeling of chemical deposition of diamond films from acetylene-oxygen flames,' Proc. Combust. Inst. Vol. 28, pp.1455-1461, 2000   DOI   ScienceOn
20 M. C. Drake and R. J. Blint, 1988, 'Structure of Laminar opposed-flow diffusion flames with $CO/H_2N_2$/ fuel,' Combust. Sci. Tech., Vol. 61, pp. 187-224, 1988   DOI
21 J. S. Kim, J. Park, O. B. Kwon, E. J. Lee, J. H. Yun, S. I. Keel, 'Preferential diffusion effects in opposed-flow diffusion flame with blended fuels of $CH_4$ and $H_2$', Int. J. Hydrogen Energy, Vol. 33, pp. 842-850, 2008   DOI   ScienceOn
22 D. Zhao, H. Yamashita, K. Kitagawa, N. Arai, and T. Furuhata, 'Behaviour and effect on NOx formation of OH radical in methane-air diffusion flame with steam addition', Combust Flame Vol. 130, p. 352, 2002   DOI   ScienceOn
23 V. V. Zamashchikov, I. G. Namyatov, V. A. Bunev, and V. S. Babkin, 'On the nature of superadiabatic temperatures in premixed rich hydrocarbon flames,' Combust. Explosion Shock Waves, Vol. 40: 32-5, 2004   DOI