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3 edition of Study of the structure of turbulent shear flows at supersonic speeds and high Reynolds number found in the catalog.

Study of the structure of turbulent shear flows at supersonic speeds and high Reynolds number

Study of the structure of turbulent shear flows at supersonic speeds and high Reynolds number

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Published by Dept. of Mechanical & Aerospace Engineering, Gas Dynamics Laboratory, Princeton University in Princeton, NJ .
Written in English

    Subjects:
  • Shear flow.

  • Edition Notes

    StatementAlexander J. Smits, Seymour M. Bogdonoff.
    SeriesNASA-CR -- 174144., NASA contractor report -- NASA CR-174144.
    ContributionsBogdonoff, Seymour M., Princeton University. Gas Dynamics Laboratory., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17666832M

    As the Reynolds number increases, there is a transition from laminar to turbulent flow. The Reynolds number is a useful similarity parameter. This means that flows in completely different situations will behave in the same way as long as the Reynolds number and the shape of the solid surface are the same. Separated flows in diffuser ducts.- Structure of turbulent separating flow in two-dimensional diffusor.- A study on mode of 3-dimensional separation and open separation.- Peculiarities of development and modelling possibilities of supersonic turbulent separated flows.- Supersonic separation zone pressure fluctuations for wide range of Reynolds.

    FLOWS AROUND A SPHERE 53 At high Reynolds number 53 At low Reynolds number 56 Molecular effects 61 UNSTEADY EFFECTS 62 Unsteady particle motions 62 Effect of concentration on added mass 65 Unsteady potential flow 65 Unsteady Stokes flow 69 PARTICLE EQUATION OF MOTION 73 Equations File Size: 6MB. Object of the present study is the turbulence modeling of flows with extensive crossflow separation, i.e., three-dimensional flows in which the separated boundary layer rolls up into longitudinal type of separation appears in many practical aerospace configurations; for example, subsonic/supersonic flow about slender bodies or delta wings at high incidence or Cited by: 7.

    Significance of Shock Structure on Supersonic Jet Mixing Noise of Axisymmetric Nozzles J Turbulent Mixing Noise from Supersonic Jets J Direct Calculations of Waves in Fluid Flows Us-ing High-Order Compact Difference Scheme J Control of High-Speed Impinging-Jet Reso-nance J Control-Nonlinear-Nonstationary Structural Re-. Knight, D., ``Numerical Simulation of Compressible Turbulent Flows Using the Reynolds-Averaged Navier-Stokes Equations'', AGARD/VKI Special Course on Turbulence in Compressible Flows, AGARD R, June , pp. to


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Study of the structure of turbulent shear flows at supersonic speeds and high Reynolds number Download PDF EPUB FB2

Get this from a library. Study of the structure of turbulent shear flows at supersonic speeds and high Reynolds number.

[Alexander J Smits; Seymour M Bogdonoff; Princeton University. Gas Dynamics Laboratory.; United States. National Aeronautics and Space Administration.]. NORIO KONDO, in Computational Wind Engineering 1, Abstract.

Numerical results of high Reynolds number flows past a circular cylinder are presented by using the third-order upwind finite element scheme. The development of the third-order upwind scheme is based on the Petrov-Galerkin formulation.

Because the perturbation function that is employed in the. In the present study, the effects of large-scale periodic surface roughness on a high-speed (M = ), high Reynolds number (Re θ ≈ 60,), supersonic.

Request PDF | Compressibility and structure of turbulence in supersonic shear flows | In this paper, different aspects of supersonic turbulent flows are discussed, in connection with some.

Reynolds number defined by the hydraulic radius, Re = URh/ν is less than As the Reynolds number increases above this limit burst of turbulent appear intermittently in the flow. As Re increases the frequency and duration of the turbulent bursts also increases until Re > O(), at which point the turbulence is fully persistent.

If the conduit. turbulent boundary layer behavior is undoubtedly the Reynolds number. For compressible flows, the Mach number becomes a further scaling parameter.

Within the boundary layer, the flow is supersonic in the outer layer and subsonic near the wall, although the sonic line is located very close to the wall at high Mach number.

Thomas B. Gatski, Jean-Paul Bonnet, in Compressibility, Turbulence and High Speed Flow (Second Edition), Wakes. Wakes from obstacles traveling at supersonic speeds can be classified into two main categories: (i) base flows, and (ii) flat plate, or shaped body, wakes.

The first category corresponds to wakes from a variety of objects such as rockets, powered. We can now talk of high Reynolds number flow or low Reynolds number pipe flow, knowing that in this context low means somewhat less than The kinematic viscosity of water is approximately 10^{-6} m^2/s (that of honey is about 10^{.

Dussauge, J.P.; Gaviglio, J.: Bulk dilatation effects on Reynolds stresses in the rapid expansion of a turbulent boundary layer at supersonic speeds. Third Symposium on Turbulent Shear Flows. Univ. of Calif., Davis, California, ().

Google ScholarCited by: Study of the structure of turbulent shear flows at supersonic speeds and high Reynolds number [microform Stagnation region heat transfer [microform]: the influence of turbulence parameters, Reynolds number an The turbulent years / J. Lang.

Turbulence – Introduction to Theory and Applications of Turbulent Flows (Online ed.). Springer. ISBN Original scientific research papers and classic monographs. Kolmogorov, Andrey Nikolaevich (). "The local structure of turbulence in incompressible viscous fluid for very large Reynolds numbers".

Turbulent wall-bounded shear flows are common in engineering practice and, although such motions can be very complex, generic trends are exhibited over a wide range of Reynolds numbers. In such circumstances, asymptotic theory is an essential tool for revealing the critical aspects of boundary-layer structure, as well as the dominant physical Cited by: 8.

Supersonic separated and reattaching laminar flows. i - general theory and application to adiabatic boundary-layershock-wave interactions High Reynolds-number flows.

2 October Effect of Reynolds Number on Laminar Separation of a Supersonic Stream. Effect of finite plate length on supersonic turbulent boundary layerwith large Cited by: In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids—liquids and has several subdisciplines, including aerodynamics (the study of air and other gases in motion) and hydrodynamics (the study of liquids in motion).

Fluid dynamics has a wide range of applications, including calculating forces and moments on. These coherent structures are demonstrated to be significant drivers of kinematic Reynolds shear stress and turbulent kinetic energy throughout this flow.

“ Behavior of a turbulent flow, strongly out of equilibrium, at supersonic speeds,” Phys “ Three-dimensional vortex organization in a high-Reynolds-number supersonic turbulent.

The asymptotic structure of the three-dimensional turbulent boundary layer near a plane of symmetry is considered in the limit of large Reynolds number. A selfconsistent two-layer structure is shown to exist wherein the streamwise velocity is brought to rest through an outer defect layer and an inner wall layer in a manner similar to that in.

Smits, A.J. and Bogdonoff, S.M., “Study of the Structure of Turbulent Shear Flows at Supersonic Speeds and High Reynolds Number,” Princeton University, Dept. of Mechanical and Aerospace Engineering Report #, @article{osti_, title = {Pressure fluctuations beneath turbulent spots and instability wave packets in a hypersonic boundary layer.}, author = {Beresh, Steven Jay and Casper, Katya M.

and Schneider, Steven P.}, abstractNote = {The development of turbulent spots in a hypersonic boundary layer was studied on the nozzle wall of the Boeing/AFOSR Mach-6 Quiet Tunnel. This book allows readers to tackle the challenges of turbulent flow problems with confidence.

It covers the fundamentals of turbulence, various modeling approaches, and experimental studies. The fundamentals section includes isotropic turbulence and anistropic turbulence, turbulent flow dynamics, free shear layers, turbulent boundary layers and. Full text of "NASA Technical Reports Server (NTRS) Free Turbulent Shear 1: Conference proceedings" See other formats.

This banner text can have markup. web; books; video; audio; software; images; Toggle [email protected]{osti_, title = {On large-scale dynamo action at high magnetic Reynolds number}, author = {Cattaneo, F.

and Tobias, S. M., E-mail: [email protected]}, abstractNote = {We consider the generation of magnetic activity—dynamo waves—in the astrophysical limit of very large magnetic Reynolds number.

We consider kinematic dynamo action for a system .From to Kubota was a research associate. He became a faculty member in and was promoted to full Professor in Kubota worked on fluid mechanics, with an emphasis on hypersonic flows, including wakes and shock layers.

He also worked on supersonic turbulent shear flows and supersonic boundary layer separation.