Detailed numerical simulations of the autoignition of single n-heptane droplets in air

作者: R. Stauch , S. Lipp , U. Maas

DOI: 10.1016/J.COMBUSTFLAME.2005.12.013

关键词:

摘要: The autoignition process of single n-heptane droplets in air is simulated for spherical symmetry and at constant pressure. Using a detailed transport model chemical kinetics, the governing equations two phases are solved fully coupled way. ambient gas temperature varied from 600 to 2000 K. Simulations performed isobaric conditions. initial droplet radius ranges 10 200 μm. influence different physical parameters, such as pressure, radius, or conditions, on ignition delay time location investigated. turns out be parameter dominating process. shows minor time. high sensitivity other

参考文章(38)
B. Vieille, C. Chauveau, X. Chesneau, A. Odeïde, I. Gökalp, High-pressure droplet burning experiments in microgravity Symposium (International) on Combustion. ,vol. 26, pp. 1259- 1265 ,(1996) , 10.1016/S0082-0784(96)80343-2
Thomas K. Sherwood, Robert E. Street, Robert C. Reid, The Properties of Gases and Liquids ,(1977)
S. Schnaubelt, O. Moriue, T. Coordes, C. Eigenbrod, H.J. Rath Zarm, Detailed numerical simulations of the multistage self-ignition process of n-heptane, isolated droplets and their verification by comparison with microgravity experiments Proceedings of the Combustion Institute. ,vol. 28, pp. 953- 960 ,(2000) , 10.1016/S0082-0784(00)80301-X
H. Hara, S. Kumagai, Experimental investigation of free droplet combustion under microgravity Symposium (International) on Combustion. ,vol. 23, pp. 1605- 1610 ,(1991) , 10.1016/S0082-0784(06)80432-7
P. Deuflhard, E. Hairer, J. Zugck, One-step and extrapolation methods for differential- algebraic systems Numerische Mathematik. ,vol. 51, pp. 501- 516 ,(1987) , 10.1007/BF01400352
P. Stapf, H.A. Dwyer, R.R. Maly, A group combustion model for treating reactive sprays in I.C. engines Symposium (International) on Combustion. ,vol. 27, pp. 1857- 1864 ,(1998) , 10.1016/S0082-0784(98)80028-3
B. D. Shaw, H. A. Dwyer, J. B. Wei, Studies on Combustion of Single and Double Streams of Methanol and Methanol/Dodecanol Droplets Combustion Science and Technology. ,vol. 174, pp. 29- 50 ,(2002) , 10.1080/713712999
William A. Sirignano, Fuel droplet vaporization and spray combustion theory Progress in Energy and Combustion Science. ,vol. 9, pp. 291- 322 ,(1983) , 10.1016/0360-1285(83)90011-4