Rajamurthy, MS and Basappa, - (1995) Generation of Comprehensive Aerodynamic Data Using Dynamic Wind Tunnel Simulation. Technical Report. National Aerospace Laboratories, Bangalore, India.
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Abstract
This report presents a novel method of generating13; comprehensive aerodynamic data of aircraft using Dynamic13; wind tunnel simulation. The method combines measurement13; of motion and force responses of aircraft model to control13; inputs. The aerodynamic data generated includes trimmed13; Lift characteristics, Longitudinal stability derivatives, Neutral point, and large amplitude Lift and pitching moment responses to arbitrary control surface inputs.13; The advantage of the method is the simple instrumentation and wind tunnel tests.13; The method is demonstrated using a generic delta winged aircraft model with pitch DOF flown in a low speed dynamic wind tunnel. The model pitch attitude and Lift responses to elevon inputs are measured and used to deduce longitudinal aerodynamic data. Comparison of these13; results with Datcom estimates and static test data of a similar configuration show good agreement, thus validating the method.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Dynamic Wind Tunnel Simulation;Longitudinal Stability13; derivatives;Neutral point; Large amplitude responses |
| Subjects: | AERONAUTICS > Research and Support Facilities (Air) AERONAUTICS > Aerodynamics |
| Division/Department: | Flight Mechanics and Control Division, Flight Mechanics and Control Division |
| Depositing User: | Mrs Neetu Chandra |
| Date Deposited: | 11 May 2006 |
| Last Modified: | 24 May 2010 09:41 |
| URI: | http://nal-ir.nal.res.in/id/eprint/1359 |
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