A Wind Tunnel in Your Classroom: The Design and Implementation of a   Portable Wind Tunnel for Use in the Science Classroom
  This article describes a wind tunnel's ease of construction and its uses as a visualization tool that integrates concepts at the primary and secondary levels. An Appendix contains detailed building instructions. A web site (under construction) will provide sample lesson plans, visualization and application tips, animations and links to background 
John H. Huckans, Dean C. Walker, Carla Zembal-Saul, Nathan A. Kurz,   Kimber H. Mitchell, Diane S. Reed and Milton W. Cole