[PDF] Top 20 Stability of a spherical flame ball in a porous medium

... describing flame balls in a porous solid, in which the solid serves only as a reservoir of heat and contributes nothing to conductive or radiative effects, the steady solutions themselves are exactly the ... See full document

... their stability to small-amplitude disturbances using Floquet ...secondary stability analysis in fluid dynamics by Kelly (1967), who applied this method to inviscid shear ...of porous medium ... See full document

... nonlinear stability analysis is performed for a couple-stress fluid layer heated from below saturating a porous medium with temperature-pressure dependent viscosity for different conducting boundary ... See full document

... the stability of flows over a porous medium saturated with liquid is important to understand the processes associated with the propagation of wind in areas of vegeta- tion and over vegetation canopy, ... See full document

... the stability of of non-isothermal poiseuille flow in a vertical pipe filled with porous ...of stability analysis has been used for three different values ...of stability analysis, have been ... See full document

... the stability of laminar flows trough a porous medium that is bounded in only one ...the porous layer may be represented by the domain Ω d = R 2 × [0, d] ... See full document

... packed porous medium under modulated temperature at the boundaries using linear stability ...linear stability analysis to study double diffusive reaction-convection in a fluid layer with ... See full document

... whose stability we wish to examine is that of an incompressible, Rivlin- Ericksen, visco-elastic fluid of varying density and variable viscosity arranged in horizontal strata in a homogeneous and isotropic ... See full document

... The present investigation was carried out with the purpose of analyzing the 2D-stability analysis of bio-porous convection (BPC) in a suspension of motile microorganisms in a gravity inclined environment. ... See full document

... The onset of double diffusive convection in a horizontal layer of Maxwell viscoelastic fluid in the presence of internal generation effect along with Soret and Dufour in a porous medium is investigated ... See full document

... linear stability of convective flow in a porous medium, which is induced by an inclined temperature gradient in a shallow horizontal layer was first studied by Weber(1974) and then by ...linear ... See full document

... Figure 2 illustrates the thermal Rayleigh number, Rt varies with a wave number, a for various value of Re. The graph shows an in- creasing of AC electric Rayleigh number Re is to decrease the stability region ... See full document

... Conventional burning of a mixture is well confined by theoretical limits, called flammability limits, of which the flame will cease to exist if the mixture falls outside of these limits. These limits are highly ... See full document

... in porous media is of interest in many applications and recent books by Nield and Bejan [3] and Ingham and Pop [4-5] present a comprehensive account of the available information in the ...horizontal porous ... See full document

... of a model of initiation of a small spherical ame by a point source derived by G. Joulin. This asymptotical model for large activation energies gives the radius of the ame as the solution of a nonlinear Abel ... See full document

... we assume is contained in the upper half of the x, y plane. We must subtract the area of the surface which goes outside of the ball. The situation is similar to that considered in [11], although it is much easier ... See full document

... the flame colour is also dominated by a blue flame with weaker ...the flame colour, but more effected on the width of the counter flow premix ...The flame width becomes wider along with the ... See full document

... The pH values of hydrophobic silicon oxide dispersed in distilled water could not be ascertained because hydrophobic silicon oxide lacks affinity for water. From this result, distilled water was able to trap a relatively ... See full document

... Automatic flame or fire detection systems play a major role in the early detection and response of an unexpected fire ...of flame or fire edges is the process of identifying a boundary between the area ... See full document

... Wireless Sensor Networks (WSNs) have a broad range of applications. Since sensor nodes are battery powered and have therefore limited energy resource, keeping the network operational over long periods of time is ... See full document