PDF Modeling Study of a Self-Similar Turbulent Plane Jet Flow.
نویسندگان
چکیده
منابع مشابه
Plane Turbulent Jet Flow in a Favourable Pressure Gradient
SUMMARY An experimental study has been made of an incompressible turbulent plane jet exhausting downstream into an external flow having a favourable longitudinal pressure gradient approximating that of two-dimensional sink flow. Four flows were studied, for which the ratios of mainstream and jet velocities at the exit plane of the jet were in the range from 0.1 to 0.5. For each case velocity pr...
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Instantaneous, two-dimensional velocity measurements were conducted in the axial plane of a selfsimilar turbulent axisymmetric jet. The velocity fields were high-pass filtered to expose the vortical structures. An automated method was used to identify the radial and axial coordinates of the vortex centers and rotational sense, and to measure their size, circulation, vorticity, and energy. New i...
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Based on self-similar models of turbulence, we propose in this paper a multi-scale regularizer in order to provide a closure to the optic-flow estimation problem. Regularization is achieved by constraining motion increments to behave as a self-similar process. The associate constrained minimization problem results in a collection of first-order optic-flow regularizers acting at the different sc...
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ژورنال
عنوان ژورنال: JSME International Journal Series B
سال: 2000
ISSN: 1340-8054,1347-5371
DOI: 10.1299/jsmeb.43.143