Exact(2)
Above minimum fluidisation, the outer jets, nearest the wall of the fluidised bed, arched inward towards the central axis.
These reveal the mixing phenomena between the inner and outer jets as well as between the jet and the surrounding media, which are not presented in their counterparts.
Similar(58)
This implies that either the bright outer jet layer goes through a very rapid lateral expansion on scales ≲102 rg or it is launched from the accretion disk.
In this paper the case of coaxial jets with normal velocity profiles is considered, where the inner jet stream velocity is higher than the outer jet stream velocity.
The high levels of flame response for the outer enrichment case were attributed to the enhanced flame vortex interaction in outer jet shear layer.
With increasing bulk flow velocity of the outer jet, the degree of flow divergence decreases, resulting in an increase in the height of the stagnation point.
These effects lead to a decrease in the flame height as the ratio of the inner and outer jet velocities increases.
The results of an investigation of the flow field of two coaxially aligned jets consisting of an inner primary jet and a co-annular outer jet issuing from a nozzle with convex sidewalls are reported.
Heat flux uniformity was obtained by these two jets with acceptable errors less than 2% for the outer jet to the target surface diameter ratios of higher than 0.6.
The ratio of the inner and outer jet velocities (flow rates) affects the flame characteristics, as the overall fuel-air ratio increases with an increase in the inner jet velocity.
In this work we experimentally investigate the behavior of stable vortex breakdown taking place in a coaxial swirling jet with a density difference, highlighting the effect of the outer jet on the height of the stagnation point.
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