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Tuesday, July 21, 2020 | History

3 edition of Experimental studies on the stability and transition of three-dimensional boundary layers found in the catalog.

Experimental studies on the stability and transition of three-dimensional boundary layers

Experimental studies on the stability and transition of three-dimensional boundary layers

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  • 15 Currently reading

Published by National Aeronautics and Space Administration in Washington, DC .
Written in English

    Subjects:
  • Turbulent boundary layer.

  • Edition Notes

    StatementP. Nitschke-Kowsky.
    SeriesNASA technical memorandum -- NASA TM-88539., NASA technical memorandum -- 88539.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17660084M

    stability of two-dimensional base flow with respect to three-dimensional perturbations periodic in one spatial direction is studied [3, 7]. However, it remains challenging when basic flow is three-dimensional, so that no simplifications such as spatial periodicity assumptions can be made. boundaries were taken as perfectly thermally insulated in all the cited studies, so that effect of these boundary conditions was never studied. All above studies performed straight-forward time integration of the three-dimensional Boussinesq equations. As is known from well-established numerical solutions obtained for instability of.

    This updated and revised edition of Dr. Ronald L. Panton's Incompressible Flow provides readers with an exceptionally clear, unified, and carefully paced introduction to advanced concepts in fluid mechanics. Dubbed by one reviewer as "the most teachable book on the market," it begins with basic principles and then patiently develops the math and physics leading to the major theories/5(2). The influence of spanwise periodic steady blowing or suction on the development of stationary crossflow vortices is investigated experimentally in a three-dimensional boundary-layer flow. Different.

    American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Trove: Find and get Australian resources. Books, images, historic newspapers, maps, archives and more.


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Experimental studies on the stability and transition of three-dimensional boundary layers Download PDF EPUB FB2

Saric WS, Carillo RB, Reibert MS. Nonlinear stability and transition in 3-D boundary layers. Experimental studies of three-dimensional instability of boundary layer.

AIAA Pap. () Stability, Transition, and Control of Three-Dimensional Boundary Layers on Swept Wings. In: Meier G.E.A., Sreenivasan K.R., Heinemann HJ Cited by: 4. Boundary-layer linear stability theory.

AGARD Report No. (Special course on stability and transition of laminar flows) VKI, Brussels. Malik, M.R., Wave interactions in three- dimensional boundary layers. AIAA Paper No.

Malik, M.R. and Poll, D.I.A., Effect of curvature on three-dimensional boundary layer stability. Get this from a library. Experimental studies on the stability and transition of three-dimensional boundary layers. [Petra Nitschke-Kowsky; United States. The paper is devoted to an experimental study of the laminar-turbulent transition and the instability disturbances evolution in a three-dimensional (3D) supersonic boundary layer on a swept wing.

Transition is often described as a process proceeding through a series of stages. "Transitional flow" can refer to transition in either direction, that is laminar–turbulent transitional or turbulent–laminar transitional flow. The process applies to any fluid flow, and is most often used in the context of boundary layers.

The present paper describes the carried out experimental studies of the supersonic laminar boundary layer stability on the cone-cylinder model. The method of introducing the artificial disturbances into the supersonic flow is used.

Indeed a very high proportion of experimental studies of boundary layer transition rely on wavemakers of some sort or another. The behaviour of the waves excited by a wavemaker can be calculated from the linearized perturbation equations of motion, unfortunately these equations do not separate into ordinary differential form, and approximations.

flows[3], cross-flow modes in three-dimensional boundary layers[4], G¨ ortler modes in concave surfaces (when Reynolds number is large enough) [ 5 ]. Even with massive and long-range studies. Control of Water Boundary Layer Stability and Transition by Surface Temperature Distribution.

Pages Stability Calculations of the Three-Dimensional Boundary Layer Flow on a Rotating Disk. Experimental and Theoretical Studies of Boundary Layer Transition on a Swept Infinite Wing.

There have been many studies and reviews of transition and turbulence in boundary layers. 1–19 1. Morkovin, “ On the many faces of transition,” in Viscous Drag Reduction, edited by C. Wells (Springer, New York, ), pp. 1– 2. Reshotko, “ Boundary-layer stability and transition,” Annu. Rev. Fluid Mech.

8, –   The laminar–turbulent transition in hypersonic boundary layers leads to a significant increase in heat transfer and skin friction. 1–3 1. Lee and S. Chen, “ Recent progress in the study of transition in the hypersonic boundary layer,” Natl.

Sci. Rev. 6, (). The experimental studies have led to a cautious viewpoint regarding the interpretation of observed events in the Taylor experiment. the three-dimensional nature of shear-flow turbulence suggests that the secondary instability should be three-dimensional.

and transition to turbulence in boundary layers. The book ponders on coherent. 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 ONERA Toulouse Research Center and held at "Ecole Nationale Superieure de l'Aeronautique et de l.

Stability, Transition, and Control of Three-Dimensional Boundary Layers on Swept Wings W. Saric, H. Reed Transition to Turbulence in 3-D Boundary Layers on a Rotating Disk (Triad Resonance) T.C.

Corke, E.H. Matlis Control and Identification of Turbulent Boundary Layer Separation A. Seifert, L. Pack Melton Session 4: Turbulent Boundary Layers. comprehensive reviews for both two- and three-dimensional boundary layer flows are given by Mack(1), Arnal(2), Reshotoko(3), Reed at al.(4), Saric et al.(5), and Saric et al.(6).

A number of experimental, numerical and theoretical studies of boundary-layer transition to turbulence have been published over the decades.

For the numerical prediction of turbomachinery flows, a two-equation turbulence model in combination with a proper transition model to account for laminar boundary layers and their transition to turbulence is state of the art.

This paper presents the ability of such a method (k-ω + γ-ReΘ) for turbulence prediction and the effect on three-dimensional boundary layer behavior. Design Optimization of the Impeller and Volute of a Centrifugal Pump to Improve the Hydraulic Performance and Flow Stability.

Through a Pressure-Driven Three-Dimensional Boundary Layer. Heat Transfer Structure in an Annular S-Shaped Duct. GT Experimental Studies on Wake-Induced Transition of Turbulent Boundary Layers.

IMECE An Evaluation of Stability-Based Methods for Transition of Three-Dimensional Flows.- Correlation of Boundary Layer Stability Analysis with Flight Transition Data.- Stability of High-Speed Chemically Reacting and Three-Dimensional Boundary Layers.- Cross-Flow Instability of 3D Boundary Layers on a Flat Plate.- Experiments on Swept-Wing Boundary.

Experimental studies [34,47,48] on a rough turbine blade have shown both earlier transition, and increased transition length in the “transitionally rough” turbulent regime. In the current model, the rough surface is replaced by a smooth surface with modified boundary conditions to account for.

Stability, transition, and control of three-dimensional boundary layers on swept wings p. Transition to turbulence in 3-D boundary layers on a rotating disk (triad resonance) p.

Control and identification of turbulent boundary layer separation p. The near-wall structures of the turbulent boundary layer p. Turbulence in. @article{osti_, title = {Experimental investigation of sound generation by a protuberance in a laminar boundary layer}, author = {Kobayashi, M.

and Asai, M. and Inasawa, A.}, abstractNote = {Sound radiation from a two-dimensional protuberance glued on the wall in a laminar boundary layer was investigated experimentally at low Mach numbers.Modeling Transition: New Scenarios, System Sensitivity and Feedback Control (J A Burns & J R Singler) Dynamics of Transitional Boundary Layers (C Lee & S Chen) Continuous Mode Transition (P Durbin & T Zaki) Transition in Wall-Bounded Shear Flows: The Role of Modern Stability Theory (P J Schmid) A Framework for Control of Fluid Flow (A Guégan.An illustration of an open book.

Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio An illustration of a " floppy disk. Full text of "Naval hydrodynamics: boundary layer stability and transition, ship boundary layers and propeller hull interaction.