Three Dimensional Structure Of Boundary Layers In Transition To Turbulence PDF Download
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Author | : Thorwald Herbert |
Publisher | : |
Total Pages | : 12 |
Release | : 1986 |
Genre | : |
ISBN | : |
Download Three-Dimensional Structure of Boundary Layers in Transition to Turbulence Book in PDF, ePub and Kindle
A unified theory of secondary instability in wall-bound shear flows has been developed. This theory rests on Floquet systems of stability equations and permits classification and quantitative analysis of different modes of secondary instability in the three-dimensional stage of laminar-turbulent transition. The catalogue of solutions is consistent with observations and predicts other phenomena that have not been identified in experiments. The theoretical results have been used to reproduce patterns in flow visualizations by computer animation. Analysis of the energy balance has shown a feedback loop between mean flow, two-dimensional, and three-dimensional disturbances that is considered key to the process of self-sustained transition. Various techniques have been developed to investigate details of the nonlinear three-dimensional processes involved in this feedback loop. Keywords: Boundary layer, Stability, Transition.
Author | : William S. Saric |
Publisher | : |
Total Pages | : 34 |
Release | : 1985 |
Genre | : |
ISBN | : |
Download On the Three-Dimensional Structure of Boundary Layers Undergoing Transition to Turbulence Book in PDF, ePub and Kindle
Detailed experiments were performed for boundary layers undergoing transition to turbulence. The experiments utilized multiple hot wire anemometer techniques in combination with recently developed flow visualization and computational techniques. The use of a phase-correlated and conditionally sampled measurements permitted the study of the origin and evolution of the characteristic of transitional boundary layers. Fundamental transition mechanisms and the receptivity of the boundary layer to external disturbances that led to transition were studied.
Author | : William S. Saric |
Publisher | : |
Total Pages | : 26 |
Release | : 1990 |
Genre | : Boundary layer |
ISBN | : |
Download A Final Report on Three-dimensional Structure of Transitional Boundary Layers Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 13 |
Release | : 1990 |
Genre | : |
ISBN | : |
Download Three-Dimensional Structure of Transitional Boundary-Layers Book in PDF, ePub and Kindle
Experiments were performed of boundary layers undergoing instabilities and transition to turbulence. The experiments used multiple hotwire anemometer techniques to study the origin and evolution of the characteristic large-scale structures of transitional boundary layers. Fundamental transition mechanisms, the control of random background disturbances, and the receptivity of the boundary layer to external disturbances that lead to transition were studied. This work lays the foundation for more advanced work in boundary-layer transition and control with sound and 3-D roughness.
Author | : O. Sendstad |
Publisher | : |
Total Pages | : 130 |
Release | : 1992 |
Genre | : Simulation methods |
ISBN | : |
Download Three-dimensional Turbulent Boundary Layers Book in PDF, ePub and Kindle
Author | : Olav Sendstad |
Publisher | : |
Total Pages | : 146 |
Release | : 1992 |
Genre | : |
ISBN | : |
Download The Near Wall Mechanics of Three-dimensional Turbulent Boundary Layers Book in PDF, ePub and Kindle
Author | : David Michael Driver |
Publisher | : |
Total Pages | : 268 |
Release | : 1989 |
Genre | : Boundary layer |
ISBN | : |
Download Experimental Study of a Three-dimensional Shear-driven Turbulent Boundary Layer with Streamwise Adverse Pressure Gradient Book in PDF, ePub and Kindle
Author | : Douglas J. Lewis |
Publisher | : |
Total Pages | : |
Release | : 1998 |
Genre | : |
ISBN | : |
Download Turbulence Structure of Heat Transfer Through a Pressure-driven Three-dimensional Turbulent Boundary Layer Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 184 |
Release | : 2015 |
Genre | : |
ISBN | : 9789175957838 |
Download On Stability, Transition and Turbulence in Three-dimensional Boundary-layer Flows Book in PDF, ePub and Kindle
Author | : J. P. Johnston |
Publisher | : |
Total Pages | : 62 |
Release | : 1976 |
Genre | : Boundary layer |
ISBN | : |
Download Experimental Studies in Three-dimensional Turbulent Boundary Layers Book in PDF, ePub and Kindle
The various methods for measurement of the six components of the turbulence stress tensor are reviewed, and some of the data on the turbulent shear stress vector are presented to demonstrate the validity of current ideas for.