3 edition of **On the instability of hypersonic flow past a wedge** found in the catalog.

On the instability of hypersonic flow past a wedge

- 102 Want to read
- 39 Currently reading

Published
**1989**
by National Aeronautics and Space Administration, Langley Research Center in Hampton, Va
.

Written in English

- Aerodynamics, Transonic.

**Edition Notes**

Statement | Stephen Cowley, Philip Hall. |

Series | ICASE report -- no. 88-72., NASA contractor report -- 181760., NASA contractor report -- NASA CR-181760. |

Contributions | Hall, Philip., Langley Research Center. |

The Physical Object | |
---|---|

Format | Microform |

Pagination | 1 v. |

ID Numbers | |

Open Library | OL15290638M |

The flows which we consider here are appropriate to different stages of hypersonic flow past a semi-infinite fiat plate. In the first instance we shall consider the instability of a non-interactive flow which is appropriate to large distances downstream of the leading edge of the plate. Viscous instability of a strong-interactive hypersonic flow past a flat plate is investi-gated under the assumption that the temperature of the plate is much less than the stagnation temperature. Application of the method of matched asymptotic expan-sions leads to a triple-deck-type formulation for the perturbations. Attention is.

The subject of laminar-turbulent transition is of considerable practical importance and has a wide range of engineering applications. For this reason, the International Union of Applied Mechanics decided to sponsor a third Symposium on "Laminar-Turbulent Transition", which would be organised by the On the Instability of Hypersonic Flow Past. Experimental Study of the Supersonic Boundary Layer Stability on the Cone-Cylinder Model.- Stability Theory fo Chemically Reacting Flows.- Effects of Suction. Pressure Gradient and Cooling on High Speed Boundary Layer Stability.- On the Instability of Hypersonic Flow Past a Wedge.- On the Subharmonic Instability of Compressible Boundary Layers

Wedge and Conical Flow Methods: Another relatively simple hypersonic flow analysis technique is an approximate method based on equating the body of interest with a two-dimensional wedge. The flowfield is determined by constructing a wedge tangent to a given point on the body of interest and assuming that the properties at that point on the. I am intersted in writing a code for "flow over a wedge at hypersonic conditions" problem to get some coding experience. I want to solve Euler (inviscid-compressible)eq's for the problem. Other than Continuity, momentum and energy eq's whether turbulent eq's have to be taken into account?

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The instability of a compressible flow past a wedge is investigated in the hypersonic limit. Particular attention is given to Tollmien-Schlichting waves governed by triple-deck theory though some discussion of inviscid modes is by: The instability of a compressible flow past a wedge is investigated in the hypersonic limit.

Particular attention is paid to Tollmien-Schlichting waves governed by triple-deck theory though some.

4. Cowley and P. Hall, “On the instability of hypersonic flow past a wedge,”J. Fluid Mech., 17 (). Google ScholarCited by: 1. On the Instability of Hypersonic Flow Past a Wedge The instability of a compressible flow past a wedge is investigated in the hypersonic limit.

Particular attention is given to Tollmien-Schlichting waves governed by triple-deck theory though some discussion of inviscid modes is given.

The instability of a compressible flow past a wedge is investigated in the hypersonic limit. Particular attention is given to the Tollmien-Schlichting waves governed by triple-deck theory though some discussion of inviscid modes is given.

It is shown that the attached shock has a significant effect on the growth rates of Tollmien-Schlichting waves. Get this from a library.

On the instability of hypersonic flow past a wedge. [Stephen J Cowley; Philip Hall; Langley Research Center.]. The instability of a compressible flow past a wedge is investigated in the hypersonic limit. Particular attention is paid to Tollmien-Schlichting waves governed by triple-deck theory though some discussion of inviscid modes is given.

It is shown that the attached shock can have a significant effect on the growth rates of Tollmien-Schlichting waves. The instability of hypersonic flow past a flat plate 37 1 numbers, and our main concern will be with the faster growing inviscid modes.

As a result, our analysis is based on asymptotic scalings which lead to the Rayleigh equation rather than the triple-deck equations. We note that the third type of. The instability of hypersonic boundary-layer flow over a flat plate is considered.

The viscosity of the fluid is taken to be governed by Sutherland's formula, which gives a more accurate representation of the temperature dependence of fluid viscosity at hypersonic speeds than Chapman's approximate linear law.

Chapter V Effect of Slight Leading Edge Blunting on Hypersonic Flows Past Bodies 1. Introductory Remarks and Formulation of the Problem 2. Flows Past a Flat Plate with a Flat Leading Edge, and a Right Circular Cylinder with Its End Normal to the Free Stream 3. Flow Past a Slender Wedge with a Blunt Leading Edge 4.

Flow Past a Slender Blunted. Get this from a library. Nonlinear instability of hypersonic flow past a wedge. [Sharon O Seddougui; Andrew P Bassom; Langley Research Center.; Institute for. ICASE Report No. ICASE NONLINEAR INSTABILITY OF HYPERSONIC FLOW PAST A WEDGE Sharon O.

Seddougui Andrew P. Bassom Contract No. NAS July Institute for Computer Applications in Science and Engineering NASA Langley Research Center Hampton, Virginia Operated by the Universities Space Research Association Nalional.

On the instability of hypersonic flow past a wedge 26 April | Journal of Fluid Mechanics, Vol.No. -1 On the outer-edge problem of a hypersonic boundary layer. Cowley, S. & Hall, P. On the instability of hypersonic flow past a wedge. Qin, F.

& Wu, X. Response and receptivity of the hypersonic boundary layer past a wedge to free-stream acoustic, vortical and entropy disturbances.

Fluid Mech. ICASE Report No. ICASE NONLINEAR INSTABILITY OF HYPERSONIC FLOW PAST A WEDGE Sharon 0. Seddougui DTIC Andrew P. Bassom S E L E CT F. SEP U Contract No. NAS July Institute for Computer Applications in Science and Engineering NASA Langley Research Center Hampton, Virginia This book discusses the assumptions underlying hypersonic flow theory, unified supersonic-hypersonic similitude, two-dimensional and axisymmetric bodies, and circular cylinder.

The constant-streamtube-area approximation, streamtube-continuity methods, and tangent-wedge and tangent-cone are also deliberated.

You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them.

The stability of hypersonic viscous gas flow in a shock layer in the neighborhood of a flat plate is considered. The stability of the velocity, temperature, density, and pressure profiles calculated on the basis of the complete viscous shock layer equations is investigated within the framework of the linear stability theory with allowance for the shock wave relations.

modes of hypersonic flow past the frontal surface of blunt bodies. In particular, along with the plane flow mode (Fig.1), a three-dimensional steady-state vortex structures were revealed in some calculations and experiments related to transverse hypersonic flows past bodies with a.

Hsue-shen Tsien, in Collected Works of H.S. Tsien (–), Hypersonic flows are flow fields where the fluid velocity is much larger than the velocity of propagation of small disturbances, the velocity of sound.

von Kármán [1] has pointed out that in many ways the dynamics of hypersonic flows is similar to Newton's corpuscular theory of aerodynamics. The instability of a compressible flow past a wedge is investigated in the hypersonic limit. From Cambridge English Corpus This is a useful generalized account, serving as an introduction to the short discussion of hypersonic propulsion .Introduction to Hypersonic Flow has been made available to the English speaking reader because of its usefulness for those individuals desirous of obtaining an introduction to the subject.

Written by an internationally acknowledged expert in the field of hypersonic flow, the book makes available heretofore unpublished Soviet work, as well as.hypersonic instability problems in comparison with the experimental results.

Reshotko et al. ^ used a mul-tiple scales method to analyze the spatial stability of a laminar supersonic flow over a blunt plate. Cowley et al. ^ investigated the instability of a compressible flow past a wedge in the hypersonic limit using asymp-totic analysis.