Sudhakar, S and Chandan Kumar, A and Arivoli, D and Dodamani, Ravi and Venkatakrishnan, L (2013) Experimental studies of propeller induced flow over typical micro air vehicle - AIAA 2013-0060. In: 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition , 07-10 Jan 2013, Grapevine (Dallas/Ft. Worth Region), Texas.
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Abstract
An experimental study has been carried out to explore the effect of propeller induced slipstream on the flow field of a fixed wing micro air vehicle (MAV). Tests were conducted at freestream velocity of 10m/s, corresponding to Reynolds number based on root chord of about 160000. Flow pattern on the surface of MAV planform with propeller-on and off condition was captured using oil flow visualization at four angles of incidence. Mean flow field on the MAV planform at four chordwise planes with propeller-on and off condition were measured using stereo PIV technique at angle of incidence of 24°. Little difference has been seen on the oil flow pattern at 10° and 15° angle of incidence between propeller-off and on condition. Small asymmetry in the flow topology was observe at 20° angle of incidence. Significant difference in flow field was observed at 24° between propeller-on and off condition. The induced slipstream from the propeller makes the flow well attached over the wing planform.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | Copyright to this paper belongs to M/s. American Institute of Aeronautics and Astronautics |
| Uncontrolled Keywords: | Micro air vehicle;Wing planform;Flight reynolds numbers;Flow visualization;Stereo-PIV mesurements;Wing tunnel facility |
| Subjects: | AERONAUTICS > Aeronautics (General) AERONAUTICS > Aerodynamics |
| Depositing User: | Ms. Alphones Mary |
| Date Deposited: | 20 Jul 2015 04:49 |
| Last Modified: | 20 Jul 2015 04:49 |
| URI: | http://nal-ir.nal.res.in/id/eprint/12226 |
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