Conical Euler Solution for a Highly-swept Delta Wing Undergoing Wing-rock Motion PDF Download
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Category :
Languages : en
Pages : 22
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781725603196
Category :
Languages : en
Pages : 34
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Modifications to an unsteady conical Euler code for the free-to-roll analysis of highly-swept delta wings are described. The modifications involve the addition of the rolling rigid-body equation of motion for its simultaneous time-integration with the governing flow equations. The flow solver utilized in the Euler code includes a multistage Runge-Kutta time-stepping scheme which uses a finite-volume spatial discretization on an unstructured mesh made up of triangles. Steady and unsteady results are presented for a 75 deg swept delta wing at a freestream Mach number of 1.2 and an angle of attack of 30 deg. The unsteady results consist of forced harmonic and free-to-roll calculations. The free-to-roll case exhibits a wing rock response produced by unsteady aerodynamics consistent with the aerodynamics of the forced harmonic results. Similarities are shown with a wing-rock time history from a low-speed wind tunnel test. Lee, Elizabeth M. and Batina, John T. Langley Research Center NASA-TM-102609, NAS 1.15:102609 RTOP 505-63-21-01...
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Category :
Languages : en
Pages : 22
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Author: Elizabeth M. Lee-Rausch
Publisher:
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Category : Airplanes
Languages : en
Pages : 36
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Category : Aeronautics
Languages : en
Pages : 486
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Author:
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Category :
Languages : en
Pages : 38
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Author:
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Category : Aeronautics
Languages : en
Pages : 492
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Category : Government publications
Languages : en
Pages : 828
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Category : Government publications
Languages : en
Pages : 1690
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Category : Astronautics
Languages : en
Pages : 252
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Author:
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ISBN:
Category :
Languages : en
Pages : 250
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