THERMAL SCIENCE

International Scientific Journal

Authors of this Paper

External Links

EFFECT OF COAL DUST ON THE AIR-METHANE MIXTURE COMBUSTION IN THE SWISS-ROLL BURNER

ABSTRACT
The 2-D numerical model has been developed to simulate the combustion of lean coal-methane-air mixture in "Swiss-roll" burner and investigate the effect of coal particles content and mixture feed rate on the stable burner operation. Five homogeneous and three heterogeneous chemical reactions are considered. The Eulerian model for gas phase and the discrete particle model (Lagrangian) for particle phase taking into account the radiation are used in this study. Simulations are performed for the two turns "Swiss roll" burner with heat insulated outer wall, channel width of 6 mm and inner wall thickness of 2 mm. It is shown that the presence of coal particles in a lean methane-air mixture expands the range of stable operation of the "Swiss-roll" burner. It is found that an increase in the content of coal particles reduces the combustion time of the particles by in-creasing the combustion temperature, changes the shape of the reaction zone, and shifts it to the burner inlet.
KEYWORDS
PAPER SUBMITTED: 2018-09-26
PAPER REVISED: 2018-11-06
PAPER ACCEPTED: 2018-12-02
PUBLISHED ONLINE: 2019-05-05
DOI REFERENCE: https://doi.org/10.2298/TSCI19S2537M
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2019, VOLUME 23, ISSUE Supplement 2, PAGES [S537 - S544]
REFERENCES
  1. Weinberg, F. J., Combustion Temperatures: The Future?, Nature, 233 (1971), Sept., pp. 239-241
  2. Vican, J., et al., Development of a Microreactor as a Thermal Source for Microelectromechanical Sys-tems Power Generation, Proceedings of the Combustion Institute, 1 (2002), 29, pp. 909-916
  3. Chen, C.-H., et al., A Swiss-Roll Style Combustion Reactor for Noncatalytic Reforming of JP-8, Pro-ceedings, 2017 Ground Vehicle Systems Engineering and Technology Symposium, Novi, Mich., USA, 2017, pp. 1-10
  4. Terletskii, I. A., Estimation of the Maximum Efficiency of a Heat Recovery Burner, Combustion, Explo-sion, and Shock Waves, 1 (2018), 54, pp.16-19
  5. Chen, J., et al., Effect of Heat Recirculation on the Combustion Stability of Methane-Air Mixtures in Catalytic Micro-Combustors, Applied Thermal Engineering, 115 (2017), Mar., pp. 702-714
  6. Mane-Deshmukh, S. B., et al., Experimental Research on the Effect of Materials of One Turn Swiss Roll Combustor on Its Thermal Performance as a Heat Generating Device, Materials Today: Proceedings, 1 (2018), 5, pp. 737 -744
  7. Krainov, A. Y., Moiseeva, K. M., Combustion of Lean Methane-Air Mixtures in a Slot Burner with Adiabatic Outer Walls, Combustion, Explosion, and Shock Waves, 1 (2016), 52, pp. 45-52
  8. Krainov, A. Y., Moiseeva, K. M., Combustion of a Methane-Air Mixture in a Slot Burner with an Inert Insert in Mass Transfer to the Environment, Journal of Engineering Physics and Thermophysics, 2 (2016), 89, pp. 449-457
  9. Moiseeva, K. M., et al., Ustoichivost Goreniya Polidispersnoi Ugle-Metano-Vozdushnoi Smesi v Gorel-ke s Rekuperatziei Tepla, (Stability of the Combustion of Polydisperse Coal-Methane-Air Mixture in the Heat Recovery Burner - in Russian), Vestnik Tomskogo Gosudarstvennogo Universiteta, Matematika i Mekhanika, 48 (2017), pp. 82-90
  10. Krainov, A. Yu., Moiseeva, K. M., Gorenie Ugle-Metnovozdushnoi Smesi v Gorelke s Rekuperatziei Tepla, (Combustion of the Coal-Methane-Air Mixture in the Heat Recovery Burner - in Russian), Vest-nik Tomskogo Gosudarstvennogo Universiteta, Matematika i Mekhanika, 41 (2016), 3, pp. 65-73
  11. Kurdyumov, V. N., Matalon, M., Analysis of an Idealized Heat-Recirculating Microcombustor, Pro-ceedings of the Combustion Institute, 2 (2011), 33, pp. 3275-3284
  12. Minkov, L. L., Moiseeva K. M., Issledovanie Goreniya Ugle-Metano-Vozdushnoy Smesi v Gorelke Rekuperatzionnogo Tipa «Swiss-Burner», (Investigation of the Coal-Methane-Air Mixture Combustion in a Recuperative Burner Swiss-Burner - in Russian), Proceedings, 12th International Conference on Applied Mathematics and Mechanics in Aerospace Industry, Alushta, Russia, 2018, pp. 137-139
  13. Ennetta, R., et al., Comparison of Different Chemical Kinetic Mechanisms of Methane Combustion in an Internal Combustion Engine Configuration, Thermal Science, 1 (2008), 12, pp. 43-51
  14. Adamczyk, W. P., et al., CFD Modeling and Thermodynamic Analysis of a Concept of a MILD-OXY Combustion Large Scale Pulverized Coal Boiler, Energy, 140 (2017), Part 1, pp.1305-1315
  15. Dolu, C., et al., The Effect of Reactor Height on Coal Gasification, Thermal Science, 5 (2017) 21, pp. 1937-1951

© 2019 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence