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Author:
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ISBN:
Category :
Languages : en
Pages : 60
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 60
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721032600
Category :
Languages : en
Pages : 58
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Book Description
Four turbulence models are described and evaluated for transonic flows over the High-Speed Research/industry baseline configuration known as Reference H by using the thin-layer, upwind, Navier-Stokes solver known as CFL3D. The turbulence models studied are the equilibrium model of Baldwin-Lomax (B-L) with the Degani-Schiff (D-S) modifications, the one-equation Baldwin-Barth (B-B) model, the one-equation Spalart-Allmaras (S-A) model, and Menter's two-equation Shear Stress Transport (SST) model. The flow conditions, which correspond to tests performed in the National Transonic Facility (NTF) at Langley Research Center, are a Mach number of 0.90 and a Reynolds number of 30 x 10 (exp. 6) based on mean aerodynamic chord for angles of attack of 1 deg., 5 deg., and 10 deg. The effects of grid topology and the representation of the actual wind tunnel model geometry are also investigated. Computed forces and surface pressures compare reasonably well with the experimental data for all four turbulence models.Rivers, Melissa B. and Wahls, Richard A.Langley Research CenterCOMPUTATIONAL FLUID DYNAMICS; COMPUTATIONAL GRIDS; NAVIER-STOKES EQUATION; TURBULENCE MODELS; TRANSONIC WIND TUNNELS; SUPERSONIC AIRCRAFT; APPLICATIONS PROGRAMS (COMPUTERS); WIND TUNNEL TESTS; BALDWIN-LOMAX TURBULENCE MODEL; ANGLE OF ATTACK; GRID GENERATION (MATHEMATICS); MATHEMATICAL MODELS; TOPOLOGY; SHEAR STRESS
Author: Richard M. Wood
Publisher:
ISBN:
Category : High-speed aeronautics
Languages : en
Pages : 354
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Book Description
Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 182
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Book Description
Author: Pierre Sagaut
Publisher: World Scientific
ISBN: 1848169876
Category : Science
Languages : en
Pages : 446
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Book Description
The book aims to provide the reader with an updated general presentation of multiscale/multiresolution approaches in turbulent flow simulations. All modern approaches (LES, hybrid RANS/LES, DES, SAS) are discussed and recast in a global comprehensive framework. Both theoretical features and practical implementation details are addressed. Some full scale applications are described, to provide the reader with relevant guidelines to facilitate a future use of these methods.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Book Description
Author: David C. Wilcox
Publisher:
ISBN: 9781928729082
Category : Fluid dynamics
Languages : en
Pages : 522
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Book Description
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 400
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1588
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: Werner Haase
Publisher: Springer Science & Business Media
ISBN: 9783540439028
Category : Mathematics
Languages : en
Pages : 392
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Book Description
This volume contains results gained from the EU-funded, 4th Framework project, UNSI (Unsteady Viscous Flows in the Context of Fluid-Structure Interaction). 15 European organisations, industry, research, and universities, have collaborated on the topic of non-linear, static and dynamic aeroelasticity applications with some special emphasis on the improvement of CFD methods applied to unsteady flow. Hence, the book is split into five main parts. Presented are a project description (with points of contact for the interested reader), summaries of work performed by each partner, summaries of work carried out in the work tasks, an application-oriented synthesis, and last but not least a section with conclusions and lessons learnt.
