AAE 520: Experimental Aerodynamics

Purdue University, School of Aeronautics and Astronautics

(Note: Prof. B. Chynoweth will begin teaching this course in Spring 2026.)

 

Current Introduction and Logistics Materials

 

Click for General Information / Syllabus   Click for Spring 2026 Lab Schedule for Preplanned Labs

Click for Outline of Schedule for First Eight Weeks  Click for map of labs at Aerospace Sciences Lab

 

Click for Introduction Slides

 

AAE520 Technical Report Rubric (introduced 2024 & updated in 2026) is available for download here.

 

Background Information from Previous Years

 Authored by Prof. Sullivan; much is taken from various websites. Some of this material will be covered in lectures.

Uncertainty and System Response

Phase Sensitive Detection

Wind Tunnels
Wind Tunnel Balance
Pressure Measurements
Hot Wires

Flow Visualization
Optical Flow Visualization

Laser Doppler Velocimeter

Particle Image Velocimeter

 

Useful Information About Oscilloscopes

You will need some of the MATLAB files below to read the proprietary file formats from the oscilloscopes.

Click for scope info Click for MDO3014 scope manual  Click for new Tek 3014 digital scope quick reference info 

Click for tekread.m  Click for Tekread pdf  Click for quick reference info for new Tektronix scope

Click for Tektronix oscilloscope primer  Click for Tektronix primer on computing power spectra with scope

Click for isfread.m for Matlab to read data from MDO3014 scope, similar to tekread.m

 

Preplanned Lab Materials

1: Turbulence and Wakes

     Click for Lab 1 Introductory Slides   Click for lab handout   Click for hot-wire info 

     Click for Omega differential manometer datasheet  Click for multimeter manual  

     Click for Bruhn anemometer manual  Click for Power Spectra Info (Updated 2026) 

     Click for drawings of new shapes for testing (New for 2026!)   Best report 2004 

  

2: Forebodies at High Angle of Attack with Laser Doppler Velocimeter (LDV) in Water Tunnel

 Click for Introductory Slides Click for Image of LDV Probe Volume

 Click for LDV introduction Click for water tunnel manual Click for instrumentation drawings

 Click for Prof. Sullivan's notes re LDV Click for Circular Cylinder Model, Alternate to Cone

 Click for sketch of LDV apparatus Best report 2004 Sample report 2004 Click for F-18 flow viz Best report 2018

 

3: Shock/Boundary-Layer Interaction at Mach 2.0, 2.5 or 3.6

 Click for introductory info  Best student report from 2004 Best student report from 2005 Best student report from 2022

 NEW for 2024 and on: pulsed light source information

 Click for 37MB NACA report, to be used for comparisons  Click for Batcho paper

 Click for Batcho color graphic  Click for wind tunnel and instrumentation info

 Click for some operational details for supersonic tunnel

 Click for a description of schlieren systems (copyrighted, need password)

 

 

Projects

(the 8 week project will follow the preplanned labs)

Files are now updated by Prof. Chynoweth (16 Feb. 2026)

Introduction to Projects

Schedule and Info for Projects

Collicott's suggested topics (2005)

Click for Rules for Use of Laboratory

Click for AIAA 92-4018 with Wind Tunnel Descriptions (passwd needed)

List for 2004   Note: The Boeing 4x6 ft subsonic tunnel is again operational.

List for 2005   It is very useful for projects. See below for manual and MS thesis documentation.

List for 2006

List for 2007  Note: The 12-inch Ludwieg tube is no longer available.

List for 2008  In 2016 it was sold to the University of Arizona. It had not been

List for 2009  used for several years and the space was needed for other purposes.

List for 2010

List for 2011

List for 2012

List for 2013

List for 2014

List for 2015

List for 2016

List for 2017

List for 2018

List for 2019

List for 2020
How to find the existing literature

 

Click for design report on possible future free piston shock tunnel

Click for 20MB report, transonic Schlieren images in cookie-cutter test section of shock tube

For a classical and introductory approach to the analysis of experimental uncertainty, see

Describing Uncertainties in Single-Sample Experiments, by Kline and McClintock,

in the ASME journal Mechanical Engineering, vol. 75, Jan. 1953, pp. 3-8.

Laboratory Report Format
Labview Manuals
Conversion Table

Information on the Boeing Subsonic Wind Tunnel
Claire Diffey MS Thesis (Purdue 2019) password protected
Boeing Subsonic Wind Tunnel Manual password protected

Link to High Quality Films teaching Fluid Mechanics, from 1960's (check also the Purdue library)

Flow Calculators
NACA 1135 Compressible Flow Calculator (Excel Program)
NACA 1135 Report ( PDF) Equations, Tables and Charts for Compressible Flow

Brandon Chynoweth, Ph.D.
Purdue University 
School of Aeronautics and Astronautics 

West Lafayette IN 47907 

Lab Office:
Aerospace Sciences Lab Room 2
Phone: (765) 496-7929
 
e-mail: bchynowe@purdue.edu

 

Last modified: 22 December 2025