NDLI: Navier-stokes computations of longitudinal forces and moments for a blended wing body

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Navier-stokes computations of longitudinal forces and moments for a blended wing body

Content Provider	NASA Technical Reports Server (NTRS)
Author	Vicroy, Dan D. Pao, S. Paul Fremaux, C. Michael Biedron, Robert T. Park, Michael A.
Copyright Year	2004
Description	The object of this paper is to investigate the feasibility of applying CFD methods to aerodynamic analyses for aircraft stability and control. The integrated aerodynamic parameters used in stability and control, however, are not necessarily those extensively validated in the state of the art CFD technology. Hence, an exploratory study of such applications and the comparison of the solutions to available experimental data will help to assess the validity of the current computation methods. In addition, this study will also examine issues related to wind tunnel measurements such as measurement uncertainty and support interference effects. Several sets of experimental data from the NASA Langley 14x22-Foot Subsonic Tunnel and the National Transonic Facility are presented. Two Navier-Stokes flow solvers, one using structured meshes and the other unstructured meshes, were used to compute longitudinal static stability derivatives for an advanced Blended Wing Body configuration over a wide range of angles of attack. The computations were performed for two different Reynolds numbers and the resulting forces and moments are compared with the above mentioned wind tunnel data.
File Size	6482292
Page Count	11
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20050041825
Archival Resource Key	ark:/13960/t85j2gw65
Language	English
Publisher Date	2004-12-28
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Thermodynamics Pitching Moments Degrees of Freedom Computational Fluid Dynamics Unstructured Grids Mathematics Reynolds Number Blended-wing-body Configurations Computerized Simulation Longitudinal Stability Navier-stokes Equation Subsonic Wind Tunnels Wind Tunnel Tests Control Stability Support Interference Angle of Attack Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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