On The Instability Of Hypersonic Flow Past A Pointed Cone
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Author | : Martin Simen |
Publisher | : |
Total Pages | : 75 |
Release | : 1992 |
Genre | : Aerodynamics, Hypersonic |
ISBN | : |
Download On the Instability of Hypersonic Flow Past a Pointed Cone Book in PDF, Epub and Kindle
"In view of the prevailing discrepancies between experiment and theory with regard to instabilities in hypersonic flow an extended theoretical approach is studied. For hypersonic flow past a pointed cone Thin Layer Navier Stokes solutions are compared to similarity solutions with different modelling of viscosity-temperature laws.
Author | : Ewald Kufner |
Publisher | : |
Total Pages | : |
Release | : 1993 |
Genre | : |
ISBN | : |
Download Instability of Hypersonic Flow Past Blunt Cones Book in PDF, Epub and Kindle
Author | : Sharon O. Seddougui |
Publisher | : |
Total Pages | : 16 |
Release | : 1995 |
Genre | : Aerodynamics, Hypersonic |
ISBN | : |
Download Instability of Hypersonic Flow Over a Cone Book in PDF, Epub and Kindle
Author | : Institute for Computer Applications in Science and Engineering |
Publisher | : |
Total Pages | : 68 |
Release | : 1990 |
Genre | : |
ISBN | : |
Download The Inviscid Stability of Supersonic Flow Past a Sharp Cone Book in PDF, Epub and Kindle
Author | : H. F. Waldron |
Publisher | : |
Total Pages | : 90 |
Release | : 1966 |
Genre | : Aerodynamics, Hypersonic |
ISBN | : |
Download Viscous Hypersonic Flow Over Pointed Cones at Low Reynolds Numbers Book in PDF, Epub and Kindle
Author | : V. S. Nikolaev |
Publisher | : |
Total Pages | : 20 |
Release | : 1967 |
Genre | : Aerodynamics, Hypersonic |
ISBN | : |
Download Viscous Hypersonic Flow Past a Slender Cone Book in PDF, Epub and Kindle
Author | : Joseph W. Cleary |
Publisher | : |
Total Pages | : 52 |
Release | : 1970 |
Genre | : Angle of attack (Aerodynamics) |
ISBN | : |
Download Effects of Angle of Attack and Bluntness on the Hypersonic Flow Over a 15 ̊semiapex Cone in Helium Book in PDF, Epub and Kindle
Author | : Institute for Computer Applications in Science and Engineering |
Publisher | : |
Total Pages | : 60 |
Release | : 1990 |
Genre | : |
ISBN | : |
Download On the Instability of Hypersonic Flow Past a Flat Plate Book in PDF, Epub and Kindle
The instability of hypersonic boundary-layer flows over flat plates is considered. The viscosity of the fluid is taken to be governed by Sutherland's law, which gives a much more accurate representation of the temperature dependence of fluid viscosity at hypersonic speeds than Chapmans's approximate linear law; although at lower speeds the temperature variation of the mean state is less pronounced so that the Chapman law can be used with some confidence. Attention is focussed on the so-called vorticity mode of instability of the viscous hypersonic boundary layer. The instability of the hypersonic boundary layer is non-interactive. The vorticity mode of instability of this flow operates on a significantly different lengthscale than that obtained if a Chapman viscosity law is assumed. The growth rate predicted by a linear viscosity law overestimates the size of the growth rate by O (M-sq). Next, the development of the vorticity mode as the wavenumber decreases is described, and it is shown that acoustic modes emerge when the wavenumber has decreased from it's O(1) initial value to O (M to the -3/2 power). (jhd).
Author | : H. F. Waldron |
Publisher | : |
Total Pages | : 0 |
Release | : 1966 |
Genre | : Aerodynamics, Hypersonic |
ISBN | : |
Download Viscous Hypersonic Flows Over Pointed Cones at Low Reynolds Numbers Book in PDF, Epub and Kindle
An experimental and analytical study of viscous hypersonic flow over pointed cones with particular emphasis on the viscous-layer regime is presented. Shock tunnel measurements of heat transfer to 5, 10 and 20 degree half-angle cones and of pressure on the 20 degree cone are compared with the predictions of a viscous-inviscid interaction analysis (Probstein and Elliot) including transverse curvature, of a viscous-layer nonslender cone analysis (Cheng) and of an extension of the nonslender cone analysis incorporating effects of slenderness. The large rise in heat transfer predicted by the transverse curvature theory is not observed and close agreement is obtained with the nonslender cone viscous-layer predictions. An extension of the nonslender cone analysis is presented where the effects of cone slenderness are included by a perturbation analysis. The solution of the resulting equations reveals that the net effect of transverse curvature and of other effects associated with cone slenderness is small in the viscous-layer regime for not-too-slender cones. Good agreement of the 10 and the 20 degree cone experimental data is obtained with this extension of the nonslender solution. (Author).
Author | : M. L. Rasmussen |
Publisher | : |
Total Pages | : |
Release | : 1979 |
Genre | : |
ISBN | : |
Download Approximation of Hypersonic Flow Past a Slender Elliptic Cone Book in PDF, Epub and Kindle