Hostname: page-component-848d4c4894-sjtt6 Total loading time: 0 Render date: 2024-06-28T18:51:55.211Z Has data issue: false hasContentIssue false

The Analytical Modeling of Finite-Length Homogonous Micro-Combustor for a Hydrogen-Oxygen Mixture with Wall Temperature Effects

Published online by Cambridge University Press:  11 April 2016

S. A. Fanaee*
Affiliation:
Department of Mechanical EngineeringUniversity of BirjandBirjand, Iran
*
*Corresponding author (sab.famech@gmail.com)
Get access

Abstract

This paper analytically investigates the reaction phenomenon in micro-combustors using a two-dimensional model. The length of micro-combustor is considered at finite length that makes a better physical model than other works. The micro-combustor medium is divided into three integral zones composed of preheat, reaction and post flame where the governing equations are solved using the matching conditions of neighboring zones. The reaction zone thickness is considered as a variable and predicted by an iterative solution. In order to validate the model, normalized magnitude of maximum temperature is compared with published computational data for different values of Peclet number that shows an acceptable agreement that confirms the accuracy of the predicted data. Since a higher wall temperature causes the reaction to be faster, increasing the normalized wall temperature will result to reduce reaction zone thickness.

Type
Research Article
Copyright
Copyright © The Society of Theoretical and Applied Mechanics 2016 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Kaisare, N. S. and Vlachos, D. G., “A Review on Microcombustion: Fundamentals, Devices and Aplications,” Progress in Energy and Combustion Science, 38, pp. 321359 (2012).Google Scholar
2. Maruta, K., “Micro and Mesoscale Combustion,” Proceedings of the Combustion Institute, 33, pp. 125150 (2011).Google Scholar
3. Appel, C., Mantzaras, J., Schaeren, R., Bombach, R. and Inauen, A., “Catalytic Combustion of Hydrogen-Air Mixtures Over Platinum: Validation of Hetero/Homogeneous Chemical Reaction Schemes,” Clean Air, 5, pp. 2144 (2004).Google Scholar
4. Hua, J., Wu, M. and Kumar, K., “Numerical Simulation of the Combustion of Hydrogen–Air Mixture in Micro Scaled Chambers. Part I: Fundamental Study,” Chemical Engineering Science, 60, pp. 34973506 (2005).Google Scholar
5. Madhawa Hettiarachchi, H. D., Golubovic, M., Worek, W. M. and Minkowycz, W. J., “Three-Dimensional Laminar Slip-Flow and Heat Transfer in a Rectangular Micro-Channel with Constant Wall Temperature,” International Journal of Heat and Mass Transfer, 51, pp. 50885096 (2008).Google Scholar
6. Li, J., Chou, S. K., Li, Z. W. and Yang, W., “Development of 1D Model for the Analysis of Heat Transport in Cylindrical Micro-Combustors,” Aplied Thermal Engineering, 29, pp. 18541863 (2009).Google Scholar
7. Li, J., Chou, S. K., Huang, G., Yang, W. M. and Li, Z. W., “Study on Premixed Combustion in Cylindrical Micro Combustors: Transient Flame Behavior and Wall Heat Flux,” Experimental Thermal and Fluid Science, 33, pp. 764773 (2009).Google Scholar
8. Pizza, G., Frouzakis, C. E., Mantzaras, J., Tomboulides, A. G. and Boulouchos, K., “Dynamics of Premixed Hydrogen/Air Flames in Micro-Channels,” Combustion and Flame, 152, pp. 433450 (2008).Google Scholar
9. Pizza, G., Mantzaras, J., Frouzakis, C. E., Tomboulides, A. G. and Boulouchos, K., “Suppression of Combustion Instabilities of Premixed Hydrogen/Air Flames in Micro-Channels Using Heterogeneous Reactions,” Proceedings of the Combustion Institute, 32, pp. 30513058 (2009).Google Scholar
10. Schneider, S. J., Boyarko, G. A. and Sung, C. J., “Catalyzed Ignition of Bipropellants in Microtubes,” 41st Aerospace Sciences Meeting and Exhibit, USA (2003).Google Scholar
11. Qazizade, A., Renksizbulut, M. and Friedman, J., “Contribution of Homogeneous Reactions to Hydrogen Oxidation in Catalytic Microchannels,” Combustion and Flame, 159, pp. 784792 (2012).CrossRefGoogle Scholar
12. Yan, Y., Pan, W., Zhang, L., Tang, W., Chen, Y. and Li, L., “Numerical Study of the Geometrical Parameters on CH4/Air Premixed Combustion in Heat Re-circulation Micro-Combustor,” Fuel, 159, pp. 4551 (2015).Google Scholar
13. Akhtar, S., Khan, M. N., Kurnia, J. C. and Shamim, T., “Numerical Investigation of H2-air Premixed Combustion in a Curved Micro-combustor for Thermo-photovoltaic (TPV) Applications,” Energy Procedia, 75, pp. 30603065 (2015).Google Scholar
14. Esfahani, J. A. and Fanaee, S. A., “Analytical Modeling of Hydrogen–Air Mixture in a Catalytic Microchannel,” Journal of Thermophysics and Heat Transfer, 22, pp. 274280 (2015).Google Scholar
15. Fanaee, S. A. and Esfahani, J. A., “The Analytical Modeling of Propane-Oxygen Mixture at Catalytic Micro-channel,” Heat and Mass Transfer, 50, pp. 13651373 (2014).Google Scholar
16. Veeraragavan, A. and Cadou, C. P., “Flame Speed Predictions in Planar Micro/Mesoscale Combustors with Conjugate Heat Transfer,” Combustion and Flame, 158, pp. 21782187 (2011).Google Scholar
17. Fanaee, A. and Esfahani, J. A., “The Investigation of Semi-Three-Dimensional Heat Transfer Modeling in Micro-Combustors,” Journal of Thermal Science and Engineering Applications, 3, pp. 18 (2011).Google Scholar
18. Fanaee, S. A. and Esfahani, J. A., “Two-Dimensional Analytical Model of Flame Characteristic in Catalytic Micro-combustors for a Hydrogen-Air Mixture,” International Journal of Hydrogen Energy, 39, pp. 46004610 (2014).Google Scholar
19. Fanaee, S. A. and Esfahani, J. A., “Analytical Two-Dimensional Modeling of Hydrogen-Air Mixture in Catalytic Micro-Combustor,” Meccanica, 50, pp. 17171732 (2015).Google Scholar