AAE 520 Introduction and Outline Aero.ppt

wind tunnels

1. Purdue University - School of Aeronautics and Astronautics

AAE 520 Experimental Aerodynamics
AAE 520 Experimental Aerodynamics
Professor John Sullivan
Grissom Hall Room 302
494-5148
Aerospace Sciences Lab Rm 13 b
494-3344
[email protected]
Teaching Assistant
Shin Matsumura
Aerospace Sciences Lab. Rm 5
494-3348
[email protected]
Lecture: Monday/Wednesday 8:30 AM Aviation Technology 214
Laboratory Session: Arrange Hours
References:"Fluid Mechanic Measurements", Goldstein, R.J.
"Low-Speed Wind Tunnel Testing", Rae, W. and Pope, A.

2. Purdue University - School of Aeronautics and Astronautics

AAE 520 Experimental Aerodynamics
Course Outline
Introduction to Experimental Methods
Data Handling, Statistical Analysis, Error Analysis, Computer
Data Acquisition, Calibration Methods, Transducer Response
(First and Second Order Systems), Dimensional Analysis,
Scale Effect, Design of Experiments
Wind Tunnels
Subsonic, Transonic, Supersonic, Open and Closed Return,
Design, Control, Wind Tunnel Interference
Force Measurements
Balance Systems - Lift, Drag, Side Force, Pitch, Roll, Yaw

3. Purdue University - School of Aeronautics and Astronautics

AAE 520 Experimental Aerodynamics
Flow Measurements
Pressure - Manometer, Electrical Transducers, Scanning Valves,
Velocity-Pitot Probes, Hot Wires, 7 Hole Probes, LDV, PIV, DGV
Temperature - Thermometer, Thermocouple, Keil Probes
Flow Visualization
Smoke, Dye, Hydrogen Bubble, Mini-tufts, Fluorescent Dye,
China Clay, Shadowgraph, Interferometer, Schliern
Turbulence Measurements
LDV, Hot Wire, Mean, RMS, Spectrum
Course Outline

4. Purdue University - School of Aeronautics and Astronautics

AAE 520 Experimental Aerodynamics
Scheduled Experiments (Tentative)
.Common Pathology of Digital Data Acquisition
.Frequency Response and Filters
.Transducer Response
.Measurement System Calibration Techniques
.Wind Tunnel Performance and Quality
.LVD, PIV, DGV Systems
.Flow Visualization
.Turbulence

5. Purdue University - School of Aeronautics and Astronautics

AAE 520 Experimental Aerodynamics
Grading

6. Purdue University - School of Aeronautics and Astronautics

AAE 520 Experimental Aerodynamics
Grading
•Homework and Scheduled Labs 50%
•Project 50%