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There are a total of 66 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Some rotorcraft applications of computational fluid dynamics
Author(s): Mccroskey, W. J.
Abstract: The growing application of computational aerodynamics to nonlinear rotorcraft problems is outlined, with particular emphasis on the development of new methods based on the Euler and thin-layer Navier-Stokes equations. Rotor ...
NASA Center: Ames Research Center
Publication Year: 1988
Added to NTRS: 2008-08-06
Accession Number: 88N24601; Document ID: 19880015217; Report Number: A-88094, AD-A197977, NAS 1.15:100066, NASA-TM-100066, USAAVSCOM-TR-88-A-001
An experimental evaluation of a helicopter rotor section designed by numerical optimization
Author(s): Hicks, R. M.; Mccroskey, W. J.
Abstract: The wind tunnel performance of a 10-percent thick helicopter rotor section design by numerical optimization is presented. The model was tested at Mach number from 0.2 to 0.84 with Reynolds number ranging from 1,900,000 at ...
NASA Center: Ames Research Center
Publication Year: 1980
Added to NTRS: 2008-06-30
Accession Number: 80N21287; Document ID: 19800012802; Report Number: A-7956, AVRADCOM-TR-79-44, NASA-TM-78622
Some recent applications of Navier-Stokes codes to rotorcraft
Author(s): Mccroskey, W. J.
Abstract: Many operational limitations of helicopters and other rotary-wing aircraft are due to nonlinear aerodynamic phenomena incuding unsteady, three-dimensional transonic and separated flow near the surfaces and highly vortical ...
NASA Center: Ames Research Center
Publication Year: 1992
Added to NTRS: 2008-06-01
Accession Number: 93N27452; Document ID: 19930018263
The development of CFD methods for rotor applications
Author(s): Caradonna, F. X.; Mccroskey, W. J.
Abstract: The optimum design of the advancing helicopter rotor for high-speed forward flight always involves a tradeoff between transonic and stall limitations. However, the preoccupation of the rotor industry was primarily concerned ...
NASA Center: NASA (non Center Specific)
Publication Year: 1988
Added to NTRS: 2008-05-30
Accession Number: 88N16627; Document ID: 19880007244
Analysis of the development of dynamic stall based on oscillating airfoil experiments
Author(s): Carr, L. W.; Mcalister, K. W.; Mccroskey, W. J.
Abstract: The effects of dynamic stall on airfoils oscillating in pitch were investigated by experimentally determining the viscous and inviscid characteristics of the airflow on the NACA 0012 airfoil and on several leading-edge ...
NASA Center: Ames Research Center
Publication Year: 1977
Added to NTRS: 2007-11-02
Accession Number: 77N16999; Document ID: 19770010056; Report Number: A-6674, NASA-TN-D-8382
The phenomenon of dynamic stall
Author(s): Mccroskey, W. J.
Abstract: The general features of dynamic stall on oscillating airfoils are explained in terms of the vortex shedding phenomenon, and the important differences between static stall, light dynamic stall, and deep stall are described. ...
NASA Center: Ames Research Center
Publication Year: 1981
Added to NTRS: 2005-10-13
Accession Number: 81N20029; Document ID: 19810011501; Report Number: A-8464, NASA-TM-81264
AGARD Fluid Dynamics Panel Symposium on Applications of Computational Fluid Dynamics in Aeronautics: Proceedings
Author(s): Mccroskey, W. J.
Abstract: The Fluid Dynamics Panel of AGARD arranged a Symposium on Applications of Computational Fluid Dynamics in Aeronautics, on 7 to 10 April 1986 in Aix-en-Provence, France. The purpose of the Symposium was to provide an ...
NASA Center: Ames Research Center
Publication Year: 1986
Added to NTRS: 2005-10-13
Accession Number: 87N15181; Document ID: 19870005748; Report Number: A-86399, AD-A178165, NAS 1.15:88356, NASA-TM-88356
Aerodynamic characteristics of two-dimensional wing configurations at angles of attack near -90 deg
Author(s): Maisel, Martin; Laub, Georgene; Mccroskey, W. J.
Abstract: Wind tunnel tests were conducted to determine the drag of two-dimensional wing sections operating in a near-vertical flow condition. Various leading- and trialing-edge configurations, including plain flaps of 25, 30, and 35 ...
NASA Center: Ames Research Center
Publication Year: 1986
Added to NTRS: 2005-10-13
Accession Number: 87N15182; Document ID: 19870005749; Report Number: A-86427, AD-A178696, NAS 1.15:88373, NASA-TM-88373, USAAVSCOM-TM-86-A-8
Computation Of Flow About A Helicopter Rotor
Author(s): Chen, C. L.; Mccroskey, W. J.
Abstract: Improved method developed to simulate numerically flow about helicopter rotor with multiple blades. Computes vortical wake beneath rotor without using simplified ad hoc mathematical models of effects in wake. Patched grids ...
NASA Center: Ames Research Center
Publication Year: 1989
Added to NTRS: 2005-09-30
Accession Number: 89B10624; Document ID: 19890000624; Report Number: ARC-12227
Computational Fluid Dynamics For Helicopters
Author(s): Caradonna, F. X.; Mccroskey, W. J.
Abstract: Powerful computer codes undergoing development. Report reviews development of computational fluid dynamics (CFD) for prediction of airflow around rotary wings of helicopters. Reviews progress in following endeavors: ...
NASA Center: Ames Research Center
Publication Year: 1990
Added to NTRS: 2005-09-30
Accession Number: 90B10027; Document ID: 19900000027; Report Number: ARC-12143
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