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Thursday, July 23, 2020 | History

2 edition of Multiple-scale turbulence modeling of boundary layer flows for scramjet applications found in the catalog.

Multiple-scale turbulence modeling of boundary layer flows for scramjet applications

G Fabris

Multiple-scale turbulence modeling of boundary layer flows for scramjet applications

by G Fabris

  • 130 Want to read
  • 4 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Branch, For sale by the National Technical Information Service] in Washington, D.C, [Springfield, Va .
Written in English

    Subjects:
  • Compressibility,
  • Shear flow,
  • Turbulence,
  • Unsteady flow (Aerodynamics)

  • Edition Notes

    StatementG. Fabris, P.T. Harsha, and R.B. Edelman ; prepared for Langley Research Center under contract NAS1-15988
    SeriesNASA contractor report -- 3433
    ContributionsHarsha, P. T, Edelman, R. B., Langley Research Center, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Science Applications, inc. Combustion Science and Advanced Technology Dept
    The Physical Object
    Paginationv, 68 p. :
    Number of Pages68
    ID Numbers
    Open LibraryOL17978621M

    The system captures short FRS movies (typically 30 consecutive frames), and it has been used to study shock motion and distortion in shock wave-boundary layer interactions (Lempert et al., ), high-speed jets (Thurow et al., ), transition to turbulence on an elliptic cone (Huntley and Smits, ), hypersonic boundary layer structure. Cavity noises are affected by various parameters such as boundary layer thickness, length-to-depth ratio, Mach and Reynolds numbers, which can be categorized into two modes, i.e., shear-layer and wake modes [RCB02].

    Boundary layers and external ows Papers on boundary layers and external ows for have been categorized as follows: ows inuenced externally, ows with special geometric effects, compressible and high-speed ows, analysis and modeling techniques, unsteady ow effects, ows with lm and interfacial effects, ows with special uid types or property. NASA: main PAR full - Free ebook download as PDF File .pdf), Text File .txt) or read book online for free.

    Banuti, Daniel und Grabe, Martin und Hannemann, Klaus () Flow characteristics of monopropellant micro-scale planar nozzles. Aerospace Science and Technology, 86, Seiten Elsevier. DOI: / ISSN Volltext nicht online.


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Multiple-scale turbulence modeling of boundary layer flows for scramjet applications by G Fabris Download PDF EPUB FB2

Get this from a library. Multiple-scale turbulence modeling of boundary layer flows for scramjet applications. [G Fabris; P T Harsha; R B Edelman; Langley Research Center.; United States.

National Aeronautics and Space Administration. Scientific and Technical Information Branch.; Science Applications, inc. Combustion Science and Advanced Technology Department.]. Multiple-scale turbulence modeling of boundary layer flows for scramjet applications / (Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch; [Springfield, Va.

G Fabris has written: 'Multiple-scale turbulence modeling of boundary layer flows for scramjet applications' -- subject(s): Turbulence, Shear flow, Unsteady flow (Aerodynamics), Compressibility. A three-scale k–ε turbulence model was recently developed for complex flows such as the rotor–rotor and rotor–stator cavities found in gas turbine engines.

The three-scale model is a logical extension of the previous two-scale k–ε model of Ko and Rhode ().Cited by: 8. As part of an investigation into the application of turbulence models to the computation of flows in advanced scramjet combustors, the multiple-scale turbulence model was applied to a variety of.

Markatos N.C. The mathematical modeling of turbulence flows. Appl. Math. Modelling, vol, pp [21] Schiestel R. Multiple scale concept in turbulence modeling II Reynolds stresses and turbulence heat fluxes of a passive scalar, algebraic modeling and simplified model using Boussinesq Hypothesis.

Mech. Theor. It has appeared that turbulent boundary layer flows tend to be captured better with some of the reliable RANS turbulence models compared to sub-grid. • Turbulence computations are needed for practical simulations of engineering, environmental, biomedical, etc.

processes. • Some success has been achieved with two-equation models for relatively simple hydrodynamic phenomena; indeed, routine design work can now be undertaken in several applications of engineering practice, for which Cited by: 36th AIAA Fluid Dynamics Conference and Exhibit.

05 June - 08 June San Francisco, California. FD High Speed Flows I: Analysis and Modeling • Monday, 05 June • hrs FD Turbulence I: Turbulent Boundary Layer Scaling • Monday, 05 June •. Silva, P. Pettersson, G.

Iaccarino, and M. Ihme, “Uncertainty quantification of combustion noise by generalized polynomial chaos and state-space models. Close Drawer Menu Close Drawer Menu Menu. Home; Journals. AIAA Journal; Journal of Aerospace Information Systems; Journal of Air Transportation; Journal of Aircraft; Journal of Guidance, Control, and Dynamics.

Critique of the Two-Equation Models While the standard two-equation turbulence models, such as the k--e and the scalar eddy viscosity formulation, have sometimes provided comparative predictions for swirl that range from adequate to fairly good,~ ~ 5- ~20 the two-equation models have generally been regarded as unsatisfactory for com- plex flows Cited by: Manuscript received October 8, ; final manuscript received February 5, ; published online Ma Editor: Harry by: 7.

Past Seminars. Seminar Series Date: Tuesday, Aug ; - PM; Math Tower, Room Speaker: Xiaolei Chen, AMS Department Title: Army Research Office Abstract: The High School Apprenticeship Program (HSAP), managed by the Army Research Office (ARO), is an Army Educational Outreach Program (AEOP) that matches talented high.

Full text of "NASA Technical Reports Server (NTRS) A cumulative index to Aeronautical Engineering: A continuing bibliography". Applications range from the movement of the aircraft on the ground to the en-route and oceanic flow.

The models describe aircraft behavior in all phases of the flight. Using well-established methods of discrete dynamic simulation, the air traffic models can determine a range of system parameters such as time delays, waiting queues, capacity.

FM24 – Turbulence (Olivier Metais, France & R.D. Moser, USA) Julian Andrzej Domaradzki (USA): Large Eddy Simulations of Decaying Rotating Turbulence Maxim S.

Loginov (Germany): Large-Eddy Simulation of Shock-Wave / TurbulentBoundary-Layer Interaction Sebastien Poncet (France): Experimental Study of Rotor-Stator Flows with. Reference Introduction to Solid Rocket Propulsion by P.

Kuentzmann Overview of Motor Internal Flow Dynamics by V. Yang Flow-Structural Interaction in Solid Rocket Motors by J.W. Murdock and W.A. Johnston Combustion of Solid Propellants by G. Lengellé, J. Duterque and J.F. Trubert A Summary of Aluminum Combustion by M.W. Beckstead Part I. Full text of "NASA Technical Reports Server (NTRS) Aeronautical engineering: A continuing bibliography with indexes (supplement )" See other formats.

Internal Aerodynamics in Solid Rocket Propulsion Numerical modeling of internal flow aerodynamics, two-phase flow and flow/structural interactions were addressed, before focusing on the motor flow and combustion instabilities. a more rigorous approach is to derive the moving boundary finite difference equations for the flow model, as.

ROCKET PROPULSION - Free ebook download as PDF File .pdf), Text File .txt) or read book online for free. ROCKET PROPULSION5/5(2). Turbulence modeling for compressible flows. NASA Technical Reports Server (NTRS) Marvin, J.

G. Material prepared for a course on Applications and Fundamentals of Turbulence given at the University of Tennessee Space Institute, January 10is presented. A complete concept of turbulence modeling is described, and .GA/IT On unsteady boundary-layer separation Anatoly Ruban (University of Manchester, UK) The boundary-layer separation problem has been a focus of attention in fluid dynamics sincewhen Prandtl introduced the notion of the boundary layer in high Reynolds number flows.