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Unsteady aerodynamic modeling in roll for the nasa generic transport model
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Klein, Vladislav Frink, Neal T. Murphy, Patrick C. |
| Copyright Year | 2012 |
| Description | Reducing the impact of loss-of-control conditions on commercial transport aircraft is a primary goal of the NASA Aviation Safety Program. One aspect in developing the supporting technologies is to improve the aerodynamic models that represent these adverse conditions. Aerodynamic models appropriate for loss of control conditions require a more general mathematical representation to predict nonlinear unsteady behaviors. In this paper, a more general mathematical model is proposed for the subscale NASA Generic Transport Model (GTM) that covers both low and high angles of attack. Particular attention is devoted to the stall region where full-scale transports have demonstrated a tendency for roll instability. The complete aerodynamic model was estimated from dynamic wind-tunnel data. Advanced computational methods are used to improve understanding and visualize the flow physics within the region where roll instability is a factor. |
| File Size | 861529 |
| Page Count | 16 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20120014566 |
| Archival Resource Key | ark:/13960/t0fv3k04j |
| Language | English |
| Publisher Date | 2012-08-13 |
| Access Restriction | Open |
| Subject Keyword | Aircraft Stability And Control Harmonics Aircraft Safety Aircraft Stability Computational Fluid Dynamics Transport Aircraft Oscillations Commercial Aircraft Rolling Moments Unsteady Aerodynamics Wind Tunnel Tests Nonlinearity Mathematical Models Roll Aerodynamic Stalling Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
