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Stability Of Compressible Boundary Layers With A Velocity Overshoot
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Book Synopsis Stability of Compressible Boundary Layers with a Velocity Overshoot by : Adam Peter Tunney
Download or read book Stability of Compressible Boundary Layers with a Velocity Overshoot written by Adam Peter Tunney and published by . This book was released on 2016 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: The stability of compressible boundary layers is advanced in the literature, however, boundary layers with a velocity overshoot are yet to be considered. These boundary layers can arise when the surface over which the fluid flows is heated, and an accelerating pressure gradient is applied. The analytic behaviour of solutions of the governing equations was investigated in order to demonstrate the existence of velocity overshoot. An analysis of the structure of these solutions in the large Mach number limit is given. The local maximum in the streamwise velocity and the presence of multiple generalised points of inflection in these boundary layers, indicate that the stability properties of the ow are likely to be affected. A numerical study of the inviscid stability behaviour of a class of boundary layers with overshoot, reveals a new mode of instability, in addition to the classical first- and higher-mode solutions previously described in the literature. The circumstances under which this new unstable mode can attain higher growth rates than the classical modes are explored together with its role in laminar-turbulent transition. To support, and validate, the numerical results an analytic solution of the new mode in the small wavenumber limit was derived from which it is demonstrated that this mode propagates at a wavespeed equal to the maximum boundary-layer velocity. The inviscid stability results were extended by demonstrating that they match with the viscous stability behaviour in the large Reynolds number limit. In cases where the velocity overshoot and/or the Mach number are sufficiently large, the inflectional and the new non-inflectional neutral modes may propagate at a wavespeed that is no longer subsonic relative to the free-stream velocity; this is shown to render the basic boundary-layer ow stable to the first-mode and the newly discovered new-mode disturbance.
Book Synopsis Stability of Three-dimensional Compressible Boundary Layers by : Eli Reshotko
Download or read book Stability of Three-dimensional Compressible Boundary Layers written by Eli Reshotko and published by . This book was released on 1962 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Upper-branch Stability of Compressible Boundary Layer Flows by : J. S. B. Gajjar
Download or read book The Upper-branch Stability of Compressible Boundary Layer Flows written by J. S. B. Gajjar and published by . This book was released on 1989 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonparallel Stability of Three-dimensional Compressible Boundary Layers. Part 1: Stability Analysis by : Nabil M. El- Hady
Download or read book Nonparallel Stability of Three-dimensional Compressible Boundary Layers. Part 1: Stability Analysis written by Nabil M. El- Hady and published by . This book was released on 1980 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nonparallel stability of three-dimensional compressible boundary layers by : Nabil M. El-Hady
Download or read book Nonparallel stability of three-dimensional compressible boundary layers written by Nabil M. El-Hady and published by . This book was released on 1980 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Solution of Compressible Laminar Boundary Layer Problems by a Finite Difference Method by : Donald Charles Baxter
Download or read book The Solution of Compressible Laminar Boundary Layer Problems by a Finite Difference Method written by Donald Charles Baxter and published by . This book was released on 1957 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Wall-normal Velocity of the Compressible Boundary-layer Equations by : Charles David Pruett
Download or read book On the Wall-normal Velocity of the Compressible Boundary-layer Equations written by Charles David Pruett and published by . This book was released on 1991 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spatial Three-dimensional Secondary Instability of Compressible Boundary-layer Flows by : Nabil M. El-Hady
Download or read book Spatial Three-dimensional Secondary Instability of Compressible Boundary-layer Flows written by Nabil M. El-Hady and published by . This book was released on 1989 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Method for Predicting Compressible Turbulent Boundary Layers in Adverse Pressure Gradients by : Shimer Zane Pinckney
Download or read book Method for Predicting Compressible Turbulent Boundary Layers in Adverse Pressure Gradients written by Shimer Zane Pinckney and published by . This book was released on 1971 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Boundary-layer Stability Theory by : Leslie M. Mack
Download or read book Boundary-layer Stability Theory written by Leslie M. Mack and published by . This book was released on 1969 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stability of Compressible Boundary Layers Over a Smooth Backward-Facing Step by : National Aeronautics and Space Adm Nasa
Download or read book Stability of Compressible Boundary Layers Over a Smooth Backward-Facing Step written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-19 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation is conducted into the determination of the credibility of interacting boundary layers in predicting compressible subsonic flows over smooth surface imperfections. The case of smooth backward-facing steps is considered. The predicted mean flows are compared with those obtained using a Navier-Stokes solver. Moreover, the linear 2-D compressible stability characteristics of both mean flows are compared. The results show that the interacting boundary-layer formulation produces accurate mean flows that yield accurate linear stability characteristics, such as growth rates and amplification factors. Ragab, S. A. and Nayfeh, A. H. and Krishna, R. C. Unspecified Center N00014-85-K-0011; NAG1-174...
Book Synopsis Secondary Instability of Compressible Boundary Layer to Subharmonic Three-dimensional Disturbances by : Nabil M. El-Hady
Download or read book Secondary Instability of Compressible Boundary Layer to Subharmonic Three-dimensional Disturbances written by Nabil M. El-Hady and published by . This book was released on 1988 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surface-cooling Effects on Compressible Boundary-layer Instability by : Institute for Computer Applications in Science and Engineering
Download or read book Surface-cooling Effects on Compressible Boundary-layer Instability written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1990 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Effect of Boundary Layer Growth on the Stability of Compressible Flows by : Nabil M. El-Hady
Download or read book On the Effect of Boundary Layer Growth on the Stability of Compressible Flows written by Nabil M. El-Hady and published by . This book was released on 1981 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Similar Solutions for the Compressible Boundary Layer on a Yawed Cylinder with Transpiration Cooling by : Ivan E. Beckwith
Download or read book Similar Solutions for the Compressible Boundary Layer on a Yawed Cylinder with Transpiration Cooling written by Ivan E. Beckwith and published by . This book was released on 1959 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stability of Three-dimensional Compressible Boundary-layers by : Samarasingham Jeyasingham
Download or read book Stability of Three-dimensional Compressible Boundary-layers written by Samarasingham Jeyasingham and published by . This book was released on 1999 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Upper-branch Stability of Compressible Boundary Layer Flows by : J. S. B. Gajjar
Download or read book The Upper-branch Stability of Compressible Boundary Layer Flows written by J. S. B. Gajjar and published by . This book was released on 1989 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
