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Stability Analysis Of The Lower Branch Solutions Of The Falkner Skan Equations
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Book Synopsis Stability Analysis of the Lower Branch Solutions of the Falkner-Skan Equations by : G. R. Verma
Download or read book Stability Analysis of the Lower Branch Solutions of the Falkner-Skan Equations written by G. R. Verma and published by . This book was released on 1979 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: The stability of the Lower-Branch solutions of the Falkner-Skan boundary layers has been analyzed. A perturbation analysis of these boundary layers was performed resulting in the Rayleigh stability equation. Eigenvalue solutions were obtained for the Rayleigh equation for different adverse pressure gradient values. Propagation velocity and amplification factors were computed over the entire range of unstable wave numbers. All retarded flows were found to unstable for a small range of frequencies, with the amplification factor increasing as the extent of reversed flow increased. (Author).
Book Synopsis Stability Analysis of the Compressible, Adiabatic Similar Boundary Layer Equations (lower Branch) by : G. R. Verma
Download or read book Stability Analysis of the Compressible, Adiabatic Similar Boundary Layer Equations (lower Branch) written by G. R. Verma and published by . This book was released on 1983 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a previous report the authors analyzed the stability of the lower branch solutions of the incompressible (M sub infinity = O) Falkner-Skan boundary layers. There a perturbation analysis to these boundary layers was performed resulting in the Rayleigh stability equation. Eigen value solutions were obtained for the Rayleigh equation for different adverse pressure gradient (beta) values. All retarded flows were found to be unstable for a small range of frequencies with the amplification factor increasing as the extent of reversed flow increased. In this report they have entended that work by including the effect of Mach number M sub infinity on the stability of adiabatic (S sub W = O) Falker-Skan equations for beta = -.04, -.08, -.12, -.16 and -.19884. We found out that in all these cases as the Mach number M sub infinity increases the instability of flow decreases. In most of the cases the instability almost completely disappeared at M sub infinity = 3.
Book Synopsis Stability Analysis of the Compressible, Adiabatic Similar Boundary Layer Equations (Lower Branch). by :
Download or read book Stability Analysis of the Compressible, Adiabatic Similar Boundary Layer Equations (Lower Branch). written by and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a previous report the authors analyzed the stability of the lower branch solutions of the incompressible (M sub infinity = O) Falkner-Skan boundary layers. There a perturbation analysis to these boundary layers was performed resulting in the Rayleigh stability equation. Eigen value solutions were obtained for the Rayleigh equation for different adverse pressure gradient (beta) values. All retarded flows were found to be unstable for a small range of frequencies with the amplification factor increasing as the extent of reversed flow increased. In this report they have entended that work by including the effect of Mach number M sub infinity on the stability of adiabatic (S sub W = O) Falker-Skan equations for beta = -.04, -.08, -.12, -.16 and -.19884. We found out that in all these cases as the Mach number M sub infinity increases the instability of flow decreases. In most of the cases the instability almost completely disappeared at M sub infinity = 3.
Book Synopsis Stability Analysis of the Compressible, Adiabatic Similar Boundary Layer Equations (Lower Branch). by :
Download or read book Stability Analysis of the Compressible, Adiabatic Similar Boundary Layer Equations (Lower Branch). written by and published by . This book was released on 1983 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a previous report the authors analyzed the stability of the lower branch solutions of the incompressible (M sub infinity = O) Falkner-Skan boundary layers. There a perturbation analysis to these boundary layers was performed resulting in the Rayleigh stability equation. Eigen value solutions were obtained for the Rayleigh equation for different adverse pressure gradient (beta) values. All retarded flows were found to be unstable for a small range of frequencies with the amplification factor increasing as the extent of reversed flow increased. In this report they have entended that work by including the effect of Mach number M sub infinity on the stability of adiabatic (S sub W = O) Falker-Skan equations for beta = -.04, -.08, -.12, -.16 and -.19884. We found out that in all these cases as the Mach number M sub infinity increases the instability of flow decreases. In most of the cases the instability almost completely disappeared at M sub infinity = 3.
Book Synopsis Stability of Compressible Wake and Jet Flows by : G. R. Verma
Download or read book Stability of Compressible Wake and Jet Flows written by G. R. Verma and published by . This book was released on 1983 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report the stability of compressible inviscid jets and wakes has been investigated for various wave numbers and Mach numbers for different velocity profiles. (Author).
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1983 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Numerical Solutions for Steady and Unsteady Oscillatory Flow about an Axi-symmetric Inlet by : Richard W. Newsome
Download or read book Numerical Solutions for Steady and Unsteady Oscillatory Flow about an Axi-symmetric Inlet written by Richard W. Newsome and published by . This book was released on 1983 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unsteady, compressible, Reynolds-averaged Navier-Stokes equations were solved for the flow field about an external compression axi-symmetric inlet with a length to diameter ratio, L/D = 15.88, at Mach 2.0 and a Reynolds number based on diameter, ReD = 2.36 times 10 to the 6th power, operating in the near-critical and subcritical flow regimes. The near-critical solution reached a stable steady state while the subcritical solutions attained an unstable bounded oscillatory state, characterized by large amplitude pressure oscillations and traveling shock waves. This phenomenon is a result of a shear layer instability combined with a closed-loop feedback of reflected disturbances and the naturally occurring self-sustained oscillations are commonly known as buzz. Numerical results are given in terms of Mach contours, velocity field plots, pressure-time traces at selected stations, as well as mass flux and other mass-averaged quantities along the duct length. Comparison with experiment is also given. (Author).
Book Synopsis Boundary Layer Flows Nearly Described by the Falkner-Skan Equation by : Karl Kong-yuan Chen
Download or read book Boundary Layer Flows Nearly Described by the Falkner-Skan Equation written by Karl Kong-yuan Chen and published by . This book was released on 1968 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1980 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1983-10 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1962 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book AIAA 80-1318 - AIAA 80-1386 written by and published by . This book was released on 1980 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Methods in Viscous Flows by : W. G. Habashi
Download or read book Computational Methods in Viscous Flows written by W. G. Habashi and published by . This book was released on 1984 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U. S. Government Research and Development Reports by :
Download or read book U. S. Government Research and Development Reports written by and published by . This book was released on 1969 with total page 1174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Integral Analysis of Boundary Layers on Moving Walls by : Kevin S. Fansler
Download or read book An Integral Analysis of Boundary Layers on Moving Walls written by Kevin S. Fansler and published by . This book was released on 1975 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: An integral method for calculating the nonsimilar steady two-dimensional boundary-layer development on both upstream and downstream moving walls has been developed. Separation from moving walls is briefly reviewed and a separation criterion for the technique is developed that conforms with some accepted ideas on boundary-layer separation. The integral-momentum and integral-energy boundary-layer equations have been integrated simultaneously by using the shape factor relationships derived from moving-wall similarity solutions. The results are found to compare favorably with an exact solution and an approximate solution. The stability of the boundary-layer development calculations is also examined.
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1970 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
