AE6801 - WIND TUNNEL TECHNIQUES (Syllabus) 2013-regulation Anna University

AE6801 - WIND TUNNEL TECHNIQUES (Syllabus) 2013-regulation Anna University

AE6801

WIND TUNNEL TECHNIQUES

 LPTC
3003

OBJECTIVES:
• The students are exposed to various types and techniques of Aerodynamic data generation on aerospace vehicle configurations in the aerospace industry.

UNIT I

PRINCIPLES OF MODEL TESTING

6
Buckingham Theorem – Non dimensional numbers – Scale effect – Geometric Kinematic and Dynamic similarities.

UNIT II

TYPES AND FUNCTIONS OF WIND TUNNELS

6
Classification and types – special problems of testing in subsonic, transonic, supersonic and hypersonic speed regions – Layouts – sizing and design parameters.


UNIT III

CALIBRATION OF WIND TUNNELS

9
Test section speed – Horizontal buoyancy – Flow angularities – Flow uniformity & turbulence measurements – Associated instrumentation – Calibration of subsonic & supersonic tunnels.

UNIT IV

CONVENTIONAL MEASUREMENT TECHNIQUES

12
Force measurements and measuring systems – Multi component internal and external balances – Pressure measurement system - Steady and Unsteady Pressure- single and multiple measurements - Velocity measurements – Intrusive and Non-intrusive methods – Flow visualization techniques- surface flow, oil and tuft - flow field visualization, smoke and other optical and nonintrusive techniques

UNIT V

SPECIAL WIND TUNNEL TECHNIQUES

12
Intake tests – store carriage and separation tests - Unsteady force and pressure measurements – wind tunnel model design

TOTAL : 45 PERIODS

OUTCOMES:
• Ability to use various techniques of Aerodynamic data generation.

TEXT BOOKS:
1. Rae, W.H. and Pope, A., "Low Speed Wind Tunnel Testing", John Wiley Publication, 1984.
2. NAL-UNI Lecture Series 12:" Experimental Aerodynamics", NAL SP 98 01 April 1998

REFERENCES
1. Pope, A., and Goin, L., "High Speed Wind Tunnel Testing", John Wiley, 1985.
2. Bradsaw "Experimental Fluid Mechanics".
3. Short term course on Flow visualization techniques, NAL , 2009
4. Lecture course on Advanced Flow diagnostic techniques 17-19 September 2008 NAL, Bangalore
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