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Author: Wing Ng Publisher: ISBN: Category : Science Languages : en Pages : 216
Book Description
Contains 19 papers given at the November 1995 symposium held in San Francisco, California. Topics include aeroelastic analysis of ducted rotors; prediction of the effect of diffuser width on the diffusion process in a radial vaneless diffuser; a solution adaptive unstructured mesh method for cascade flow calculations; low-speed turbine computation by pressure- correction and time marching methods; numerical investigation of the unstart phenomenon in an axisymmetric supersonic inlet; and CFD modeling of a gas turbine combustor air swirler effect. Indexed by author only. Annotation copyright by Book News, Inc., Portland, OR
Author: Wing Ng Publisher: ISBN: Category : Science Languages : en Pages : 216
Book Description
Contains 19 papers given at the November 1995 symposium held in San Francisco, California. Topics include aeroelastic analysis of ducted rotors; prediction of the effect of diffuser width on the diffusion process in a radial vaneless diffuser; a solution adaptive unstructured mesh method for cascade flow calculations; low-speed turbine computation by pressure- correction and time marching methods; numerical investigation of the unstart phenomenon in an axisymmetric supersonic inlet; and CFD modeling of a gas turbine combustor air swirler effect. Indexed by author only. Annotation copyright by Book News, Inc., Portland, OR
Author: Russell M. Cummings Publisher: Cambridge University Press ISBN: 1107053749 Category : Mathematics Languages : en Pages : 893
Book Description
This book covers the application of computational fluid dynamics from low-speed to high-speed flows, especially for use in aerospace applications.
Author: Francesco Montomoli Publisher: Springer ISBN: 3319929437 Category : Technology & Engineering Languages : en Pages : 204
Book Description
This book introduces design techniques developed to increase the safety of aircraft engines, and demonstrates how the application of stochastic methods can overcome problems in the accurate prediction of engine lift caused by manufacturing error. This in turn addresses the issue of achieving required safety margins when hampered by limits in current design and manufacturing methods. The authors show that avoiding the potential catastrophe generated by the failure of an aircraft engine relies on the prediction of the correct behaviour of microscopic imperfections. This book shows how to quantify the possibility of such failure, and that it is possible to design components that are inherently less risky and more reliable. This new, updated and significantly expanded edition gives an introduction to engine reliability and safety to contextualise this important issue, evaluates newly-proposed methods for uncertainty quantification as applied to jet engines. Uncertainty Quantification in Computational Fluid Dynamics and Aircraft Engines will be of use to gas turbine manufacturers and designers as well as CFD practitioners, specialists and researchers. Graduate and final year undergraduate students in aerospace or mathematical engineering may also find it of interest.
Author: National Aeronautics and Space Administration (NASA) Publisher: Createspace Independent Publishing Platform ISBN: 9781722930691 Category : Languages : en Pages : 148
Book Description
The focus of NASA Contract NAS3-25950 Task 23 was to numerically investigate the flow through an axial compressor inner-banded stator seal cavity. The Allison/NASA developed ADPAC code was used to obtain all flow predictions. Flow through a labyrinth stator seal cavity of a high-speed compressor was modeled by coupling the cavity flow path and the main flow path of the compressor. A grid resolution study was performed to guarantee adequate grid spacing was used. Both unsteady rotor-stator-rotor interactions and steady-state isolated blade calculations were performed with and without the seal cavity present. A parameterized seal cavity study of the high-speed stator seal cavity collected a series of solutions for geometric variations. The parameter list included seal tooth gap, cavity depth, wheel speed, radial mismatch of hub flowpath, axial trench gap, hub corner treatments, and land edge treatments. Solution data presented includes radial and pitchwise distributions of flow variables and particle traces describing the flow character. Heidegger, N. J. and Hall, E. J. and Delaney, R. A. Glenn Research Center LABYRINTH SEALS; TURBOCOMPRESSORS; CAVITY FLOW; FLOW DISTRIBUTION; COMPUTATIONAL FLUID DYNAMICS; NAVIER-STOKES EQUATION; AIRCRAFT ENGINES; STATOR BLADES; GRID GENERATION (MATHEMATICS); ROTOR STATOR INTERACTIONS; RADIAL DISTRIBUTION; HUBS; PRESSURE DISTRIBUTION; VELOCITY DISTRIBUTION; PARAMETER IDENTIFICATION; PROPULSION SYSTEM PERFORMANCE...
Author: Wing Ng
Author: Wing Ng
Author: United States. National Aeronautics and Space Administration
Author: 
Author: 
Author: Russell M. Cummings
Author: Francesco Montomoli
Author: National Aeronautics and Space Administration (NASA)
Author: Lewis Research Center
Author: 
Author: