EFFECT OF HYDROGEN ADDITION ON FLAME PROPAGATION CHARACTERISTICS THROUGH TUBE OF METHANE-AIR  MIXTURES USING OPTICAL TECHNIQUE

ARKAN F. SAID

doi:10.26682/sjuod.2017.20.1.41

ARKAN F. SAID Dept. of Mechanical Engineering, College of Engineering, University of Duhok, Kurdistan Region-Iraq

DOI: https://doi.org/10.26682/sjuod.2017.20.1.41

Keywords: Premixed flame, Methane, Hydrogen, Laminar Burning Velocity, Flame speed

Abstract

The effect of Hydrogen addition on laminar flame speed (U_f) of Methane – Air premixed mixtures using optical technique has been experimentally investigated inside a tube. the flame front location had been positioned by a photocell. The (U_f) measured at a laboratory conditions for an extensive range of equivalence ratios (F). In order to use density ratio method for the calculation of laminar burning velocity (U_L), all experimental work was carried out at constant pressure (Pre-pressure period). The flame temperature (T_b) has been calculated theoretically. Mixture strength (F) and hydrogen content (R_H) dependence of (U_L) is represented by empirical correlation over the ranges F = (0.6-1.4), R_H = (0, 0.1, 0.2, 0.3, 0.4), all at initial unburned mixture temperature T_u = 298 K and a pressure of (1 atm). In overlapping ranges, the results were found in satisfactory agreement with those previously published.

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References

[1] Gibbs, G.J. and Calcote, H.F., (1959), “Effect of molecular structure on burning velocity”. J. Chem. Eng. Data. Vol.4, No.3, July, pp.226-237.
[2] Hamid, M.N. and Arkan, F. Said, (2001), “The effect of initial temperature on burning velocity of methane, propane, LPG and IsoButane-air mixtures”. Eng. J. Univ. Qatar, Vol.14, pp. 177-192.
[3] Boushaki, T., Dhue, Y., Selle, L., Ferret, B., and Poinsot, T., (2012). Effect of hydrogen and steam addition on laminar burning velocity of methane-air premixed flame: Experimental and numerical analysis. Int. J. Hydrogen Energy, 37: 9412-9422.
[4] Ilbas, M. Crayford, A.P., Yilmaz, I., Bowen, P.J., and Syred, N. (2006). Laminar burning velocities of hydrogen-air and hydrogen-methane-air mixtures: an experimental study. Int. J. Hydrogen Energy, 31(12): 1768-1779.
[5] Milton, B.E., and Keck, J.C., (1984). Laminar Burning Velocities in Stoichiometric Hydrogen and Hydrogen-Hydrocarbon Gas Mixtures. Combustion and Flames, Vol. 58, pp.13-22.
[6] Yu, G., Law, C.K., and Wu, C.K., (1986). Laminar Flame Speeds of Hydrocarbon+Air Mixtures with Hydrogen Addition. Combustion and Flames, Vol. 63, pp.339-347.
[7] Coppens, F.H.V., De Ruyck, J., and Konnov, A.A., (2007). Effect of hydrogen enrichment on adiabatic burning velocity and NO formation in methane + air flames. Experimental Thermal and Fluid Science (Elsevier), 31, pp.437-444.
[8] Arkan, F. Said, (2012), “The effect of initial temperature on burning velocity of Methanol and Ethanol-Air mixtures”. ARPN J. of Eng. and Applied Sci., Vol.7, No.10, October, pp. 1307-1313.
[9] Andrews, G.E. and Bradley, D. (1972a). Determination of burning velocity. a critical review. Combustion and Flames, Vol. 18, pp.133-153.
[10] Andrews, G.J. and Bradley, D., (1972b). The burning velocity of methane-air mixtures. Combustion and Flame, Vol.19, pp.275-288.
[11] Gülder, O.L., (1986), “Flame temperature estimation of conventional and future Jet fuels”. J. Eng. for Gas Turbines and Power, Vol. 108, April, 376-380.
[12] Spalding, D.B., Stephenson, P.L., and Taylor, R.G., (1971). A Calculation procedure for the prediction of laminar flame speeds. Combustion and Flames, Vol. 17, pp.55-64.
[13] Hamid, M.N. and Arkan, F. Said, (2007), “The effect of initial temperature on burning velocity of hydrogen-air mixtures”. J. Eng. and Technology, Vol.25, No.2, pp. 183-194.