Exact(3)
Large eddy simulations (LES) are used for the simulation of the flow field while artificial thickening of the flame provides sufficient resolution for the computation of the evolution of the filtered reaction progress variable.
Fluctuations in the fuel concentration were largest at the source, as the large, plasma-generated, unsteady external toroidal vortex that dominates the transport in this flame provides enhanced ventilation of the flame surface in close proximity to the fuel tube.
Qualitatively, the flow field can be partitioned into two zones: a nonreactive counterflow region bound by two recirculation zones attached at the exits of the inlet nozzles, which aid mixing of products and reactants upstream of the edge flame; and a reactive region, where a premixed edge flame provides the stabilization mechanism for a trailing diffusion flame.
Similar(57)
Injection of 50 μL volumes of analyte into an air acetylene flame provided very sensitive spike-like and reproducible signals.
Music in Middletown Walt Whitman's famous Civil War poem, "By The Bivouac's Fitful Flame," provided the inspiration for a work to be performed at 2 p.m. today by the New World Consort and Peter Standaart, flutist.
The absence of physical surfaces in the vicinity of the flame provided free access for laser diagnostics.
All of the segments are fun; some are unexpectedly touching, like the mysterious atmospheric sounds of the rubber pipes hitting the floor, and especially the fugue on eight Zippo lighters, performed in total darkness, with the flickers of flame providing a visual counterpoint to the clicking sounds.
The concentrations of these two positive ions were shown to be linked by the reaction MnOH+ + H = Mn+ + H2O being close to equilibrium downstream of the reaction zone of a flame, provided it was hotter than 2100 K.
Anton Yelchin, as Cage's protégé, and Irene Jacob as an old flame, provide solid emotional support, too.
Accurate prediction of the distance between the premixed and the non-premixed flames provides an interesting challenge for future computations.
The flame pattern, which is a combination of the main flame and several permanent flames, provides a sufficient heat source for reliable ignition and steady combustion even for the low-volatile coal-firing and turndown capacity operation, and is advantageous to lower NOx emission.
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