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Latin American applied research

versión impresa ISSN 0327-0793


JADIDI, M.; BIDABADI, M.  y  SHAHRBABAKI, A.Sh.. Quenching distance and laminar flame speed in a binary suspension of solid fuel particles. Lat. Am. appl. res. [online]. 2010, vol.40, n.1, pp. 39-45. ISSN 0327-0793.

A mathematical combustion model of non-adiabatic dust flame is developed for a suspension of two monosize metal powders. Depending on the combustion properties of particles at different concentrations, the flame structure may display either an overlapping or a separated configuration. In the present study the heat loss term, which is assumed to be linearly proportional to temperature difference, is added to the energy conservation equation. The laminar flame speed and quenching distance are obtained by solving the energy equation in each zone and matching the temperature and heat flux at the interfacial boundaries. Calculated values of flame speed adequately agree with experimental data.

Palabras clave : Dust Combustion; Binary Suspension; Non-Volatile Solid; Laminar Flame Speed; Quenching Distance.

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