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54.247  Articles
1 of 5.426 pages  |  10  records  |  more records»
Prior research indicated extremely fast acceleration, with potential detonation triggering, of premixed flames propagating in semi-open obstructed pipes (a pipe filled with a combustible premixture is open at one end; ignition occurs at the closed end suc... see more

Equidiffusive combustion is a model, which is widely employed in analytical and computational studies, including those on premixed flame acceleration. However, realistic combustible mixtures are oftentimes far from the stoichiometry, being thereby strongl... see more

The mechanism of ultrafast acceleration of a premixed flamefront propagating in a channel equipped with a “tooth-brush”-shaped array of tightly-packed obstacles has been revealed and quantified, analytically, and validated by means of the computational si... see more

The single layer model of GPS ionospheric data processing is compared with the International Reference Ionosphere í 1990 and the attached Diffusive Equilibrium model of Plasmasphere (IRI-90+DEP) which proved to be a good supplement to GPS data processing.... see more

Direct Numerical Simulations (DNS) have been conducted to study the response of initially laminar spherical premixed methane–air flame kernels to successively higher turbulence intensities at five different equivalence ratios. The numerical experiments in... see more

The global energy demand enhances the environmental and operational benefits of natural gas as an energy alternative, due to its composition, mainly methane (CH4), it has low polluting emissions and benefits in energy and combustion systems. In the presen... see more

MOHAMMED ALKHABBAZ and V’YACHESLAV AKKERMAN, Dept. of Mechanical and Aerospace Engineering, West Virginia University, Morgantown, WV, 26505. Influence of Fuel Nonequidiffusivity and Wall Boundary Conditions on Finger Flame Acceleration in Pipes  Amon... see more

To compare the effects of biogas compositions, cellular premixed flames of synthetic biogas on flat burner was investigated. As the variation of main composition of biogas such as methane (CH4) and carbon dioxide (CO2), the biogas produced from agricultur... see more

Detonations and flames, -just like shocks -, are steep and rapid transitions between two equilibria which represent regular singularities. The nature of the singular points is more difficult to identify than for shock waves, because of more variable-field... see more

1 of 5.426 pages  |  10  records  |  more records»