Navier Stokes Simulation Of Quasi Axisymmetric And Three Dimensional Supersonic Vortex Breakdown PDF Download
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Author | : Hamdy A. Kandil |
Publisher | : |
Total Pages | : 454 |
Release | : 1993 |
Genre | : Fluid dynamics |
ISBN | : |
Download Navier-Stokes Simulation of Quasi-axisymmetric and Three-dimensional Supersonic Vortex Breakdown Book in PDF, ePub and Kindle
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 66 |
Release | : 2018-07-16 |
Genre | : |
ISBN | : 9781722792039 |
Download Supersonic Quasi-Axisymmetric Vortex Breakdown Book in PDF, ePub and Kindle
An extensive computational study of supersonic quasi-axisymmetric vortex breakdown in a configured circular duct is presented. The unsteady, compressible, full Navier-Stokes (NS) equations are used. The NS equations are solved for the quasi-axisymmetric flows using an implicit, upwind, flux difference splitting, finite volume scheme. The quasi-axisymmetric solutions are time accurate and are obtained by forcing the components of the flowfield vector to be equal on two axial planes, which are in close proximity of each other. The effect of Reynolds number, for laminar flows, on the evolution and persistence of vortex breakdown, is studied. Finally, the effect of swirl ration at the duct inlet is investigated. Kandil, Osama A. and Kandil, Hamdy A. and Liu, C. H. Langley Research Center...
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 82 |
Release | : 2018-07-06 |
Genre | : |
ISBN | : 9781722231293 |
Download Analysis and Control of Supersonic Vortex Breakdown Flows Book in PDF, ePub and Kindle
Analysis and computation of steady, compressible, quasi-axisymmetric flow of an isolated, slender vortex are considered. The compressible, Navier-Stokes equations are reduced to a simpler set by using the slenderness and quasi-axisymmetry assumptions. The resulting set along with a compatibility equation are transformed from the diverging physical domain to a rectangular computational domain. Solving for a compatible set of initial profiles and specifying a compatible set of boundary conditions, the equations are solved using a type-differencing scheme. Vortex breakdown locations are detected by the failure of the scheme to converge. Computational examples include isolated vortex flows at different Mach numbers, external axial-pressure gradients and swirl ratios. Kandil, Osama A. Unspecified Center...
Author | : National Aeronautics and Space Adm Nasa |
Publisher | : |
Total Pages | : 80 |
Release | : 2018-11-12 |
Genre | : |
ISBN | : 9781731186324 |
Download Three-Dimensional Simulation of Vortex Breakdown Book in PDF, ePub and Kindle
The integral form of the complete, unsteady, compressible, three-dimensional Navier-Stokes equations in the conservation form, cast in generalized coordinate system, are solved, numerically, to simulate the vortex breakdown phenomenon. The inviscid fluxes are discretized using Roe's upwind-biased flux-difference splitting scheme and the viscous fluxes are discretized using central differencing. Time integration is performed using a backward Euler ADI (alternating direction implicit) scheme. A full approximation multigrid is used to accelerate the convergence to steady state. Kuruvila, G. and Salas, M. D. Langley Research Center...
Author | : |
Publisher | : |
Total Pages | : 702 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : Osama A. Kandil |
Publisher | : |
Total Pages | : |
Release | : 1993 |
Genre | : |
ISBN | : |
Download Three-dimensional Supersonic Vortex Breakdown Book in PDF, ePub and Kindle
Author | : Griffin Corpening |
Publisher | : |
Total Pages | : 316 |
Release | : 1990 |
Genre | : Aerodynamics, Supersonic |
ISBN | : |
Download Numerical Solutions to Three-dimensional Shock Wave Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 594 |
Release | : 1993 |
Genre | : Fluid dynamics |
ISBN | : |
Download 93-2965 - 93-2999 Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 400 |
Release | : 1948 |
Genre | : Mechanics, Applied |
ISBN | : |
Download Applied mechanics reviews Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 738 |
Release | : 1993 |
Genre | : Dissertations, Academic |
ISBN | : |
Download Dissertation Abstracts International Book in PDF, ePub and Kindle