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Latin American applied research

versión impresa ISSN 0327-0793


BIDABADI, M.; MONTAZERINEJAD, S.  y  FANAEE, S.A.. An analytical study of radiation effect on the ignition of magnesium particles using perturbation theory. Lat. Am. appl. res. [online]. 2010, vol.40, n.4, pp.351-357. ISSN 0327-0793.

An analytical method is proposed to solve the heat Energy equation of combustion of magnesium particles with allowance for the heterogeneous chemical reactions and the region of the thermal influence of the particle on the gas. In this model the solution of the problem in a steady formulation is found and the flame propagation mechanism is considered to be radiation and conduction.Radiative heat transfer plays a major role in single particle combustion. Flame equations of the single particle combustion are solved via the new nonlinear differential equation by using perturbation theorem. In this paper we can apportion the magnesium-particle ignition to regular regimes and also regime of particle extinction and the ignition. Under the steady approximation, the values of particle and gas phase temperatures are calculated and by adding radiation term in conservative equations, both of these parameters will be increased.

Palabras clave : Heterogeneous; Radiative Heat Transfer; Nonlinear Equation; Perturbation Theorem.

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