15AE752 WIND TUNNEL TECHNIQUES syllabus for AE



A d v e r t i s e m e n t

Module-1 Principles Of Model Testing 8 hours

Principles of Model Testing:

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

Module-2 Types And Functions Of Wind Tunnels 7 hours

Types And Functions of Wind Tunnels:

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

Module-3 Calibration Of Wind Tunnels 8 hours

Calibration of Wind Tunnels:

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

Module-4 Conventional Measurement Techniques 9 hours

Conventional Measurement Techniques:

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

Module-5 Special Wind Tunnel Techniques 8 hours

Special Wind Tunnel Techniques:

Intake tests, store carriage and separation tests, Unsteady force and pressure measurements, wind tunnel model design

 

Course outcomes:

After studying this course, students will be able to:

1. Apply the principles and procedures for model testing in the wind tunnel.

2. Classify the types and functions of wind tunnel.

3. Distinguish the conventional measurement techniques and special wind tunnel techniques

 

Graduate Attributes :

  • Engineering Knowledge.
  • Problem Analysis.
  • Design / development of solutions
  • Interpretation of data

 

Question paper pattern:

  • The question paper will have ten questions.
  • Each full question consists of 16 marks.
  • There will be 2 full questions (with a maximum of four sub questions) from each module.
  • Each full question will have sub questions covering all the topics under a module.
  • The students will have to answer 5 full questions, selecting one full question from each module.

 

Text Books:

1. Rae, W.H. and Pope, A., "Low Speed Wind Tunnel Testing", John Wiley Publication, 3rd edition, 2010, ISBN-13: 978-8126525683.

2. Pope, A., and Goin, L., "High Speed Wind Tunnel Testing", John Wiley, 1985.

 

Reference Books:

1. E. Rathakrishnan, Instrumentation, Measurements, and Experiments in Fluids, CRC Press, 2007.

2. Bradsaw "Experimental Fluid Mechanics", Pergamon Press, 2nd Revised edition,1970, ISBN-13: 978-0080069814

3. Short term course on Flow visualization techniques, NAL, 2009

4. Lecture course on Advanced Flow diagnostic techniques 17-19 September 2008 NAL, Bangalore

5. NAL-UNI Lecture Series 12:" Experimental Aerodynamics", NAL SP 98 01 April 1998

Last Updated: Tuesday, January 24, 2023

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