Titlebook: Recent Research Advances in the Fluid Mechanics of Turbulent Jets and Plumes; P. A. Davies,M. J. Valente Neves Book 1994 Springer Science+

梯田

Experiments on Negatively Buoyant Jets, with and without Cross-Flow,.?1, negligible cross-flow, 01, strong cross-flow, where F. = U./(g′?.)., U. is the cross-flow velocity, g′ is the reduced gravity and ?. is a characteristic length scale for the nozzle (i.e. the radius for a round jet).

桉樹(shù)

Prediction of Mean and Fluctuating Scalar Fields in Buoyant Jet in Cross-Flow Problems,has been incorporated. Comparison with measured scalar pdf shapes demonstrates that this approach can give reasonable predictions for the extremes of scalar values encountered in turbulent buoyant plumes.

initiate

generic

The Effect of Ambient Turbulence on Jet Mixing,to the jet mixing process. Any justification for this approach is based on a very limited data set. This study considers the effect of ambient turbulence on the mixing of a nonbuoyant co-flowing jet. Existing models are reviewed to determine which one best reproduces observations in ambient fluids w

欲望

Obverse

減去

Numerical Simulation of Line Puffs,del. The solution reveals a distinct double-vortex flow with significant loss of initial impulse due to pressure interaction, and intense mixing at the front of the puff. The added mass coefficient of the puff motion is found to be approximately 1. The computed flow and puff characteristics strongly

SHOCK

Similarity and Self-Similarity in the Motion of Thermals and Puffs,s based on the simplest of dimensional analyses. There has, however, been a considerable degree of variability in the non-dimensional constants of proportionality obtained, both within series of experiments by individual workers and between those of different individuals. We have developed an LES nu

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