Demonstrations

Tornado Vortex - Tornado Tube

Code Number :	2C50.30
Disclaimer:	Reprinted by permission of Dick Berg, University of Maryland, for use on this website. The demonstrations contained and referenced herein are listed for the purposes of cataloging and describing physics demonstrations which should be conducted only under the direction of a trained instructional support professional or physicist. These demonstrations are not presented for the purpose of being conducted by persons unconnected to this Facility and/or persons not consulting with or being supervised by the recognized instructional support professional or physicist and his/her staff. The University is responsible only for those demonstrations carried out using its own equipment using established safety and scheduling policies, and bears no responsibility for those choosing to use this source material for their own purposes. All demonstrations described and contained herein are public domain, and can also be found in reference materials in libraries, bookstores, and electronic sources. Further information regarding legal liability in use of demonstrations and labs will be found on the web site Injuries in School/College Laboratories in USA. The University of Iowa Disclaimers: University of Iowa Disclaimer All Rights Reserved..
Condition :	Good
Principle :	Turbulence and Vortex
Area of Study :	Heat & Fluids
Equipment :	Tornado Tube Assembly.
Procedure :	Spin the water in the tornado tube assembly and watch the vortex form. Note that the faster the water spins the larger the vortex.

References

Joseph Guidry, and H. T. Hudson, " Tempest in a Fruit Jar", TPT, Vol. 28, # 7, Oct. 1990, p. 494.

Marinus Luttikhuizen, "Tornado Connectors," TPT, Vol. 27, # 2, Feb. 1989, p. 70.

H. Richard Crane, "Response", TPT, Vol. 27, # 2, Feb. 1989, p. 70.

H. Richard Crane, "A Tornado in a Soda Bottle and Angular Momentum in the Washbasin," TPT, Vol. 25, # 8, p. 516, (November 1987).

George W. Ficken, Jr., "Whirlpool in a Swimming Pool", TPT, Vol. 13, # 6, Sept. 1975, p. 348.

Sambasiva Chada Rao and Gottfried I. Moller, "Vortex Motion in a Water Bottle", TPT, Vol. 9, # 9, Dec. 1971, p. 534.

Fp-1, 2: Freier and Anderson, A Demonstration Handbook for Physics.

F- 280: "Tornado in Jug - Coupled Jugs," DICK and RAE Physics Demo Notebook.

Tik Liem, "The Outpour Race," Investigation to Science Inquiry, p. 343.

Janice VanCleave, "Free Movers," 201 Awesome, Magical, Bizarre, & Incredible Experiments, p. 11.

Janice VanCleave, "Tornado," Earth Science for Every Kid - 101 Easy Experiments That Really Work, p. 178-179.

Janice VanCleave, "Stormy," Guide to More of the Best Science Fair Projects, p. 96.

Robert Ehrlich, "Weighing an Hourglass," Why Toast Lands Jelly-Side Down, p. 38-40.

Robert Ehrlich, "Tornado in a Bottle," Turning the World Inside Out, p. 70- 71.

"Vortex," Science Snackbook, p. 104.1 - 104.2.

Mail Questions and Comments to: Dale Stille