AE1005 WIND TUNNEL TECHNIQUES 3 0 0 100
OBJECTIVE
To introduce the basic concepts of measurement of forces and moments on models during the wind tunnel testing.
1. PRINCIPLES OF MODEL TESTING 6
Buckingham Theorem – Non-Dimensional Numbers –Scale Effect Types of
Similartes.
2. WIND TUNNELS 8
Classification – Special problems of Testing in Subsonic, Transonic, supersonic and hypersonic speed regions – Layouts – sizing and design parameters.
3. CALIBRATION OF WIND TUNNELS 11
Test section speed – Horizontal buoyancy – Flow angularities – Turbulence measurements – Associated instrumentation – Calibration of supersonic tunnels.
4. WIND TUNNEL MEASUREMENTS 12
Pressure and velocity measurements – Force measurements – Three component and six component balances – Internal balances.
5. FLOW VISUALIZATION 8
Smoke and Tuft grid techniques – Dye injection special techniques – Optical methods of flow visualization.
TOTAL : 45
TEXT BOOK
1. Rae, W.H. and Pope, A. “Low Speed Wind Tunnel Testing”, John Wiley Publication, 1984.
REFERENCE
1. Pope, A., and Goin, L., “High Speed wind Tunnel Testing”, John Wiley, 1985.
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