5K40.90 - Generators - Water and Wind Generators or Turbines

Code Number:
5K40.90
Demo Title:
Generators - Water and Wind Generators or Turbines
Condition:
Excellent
Principle:
Conversion of Energy from One Form to Another
Area of Study:
Electricity & Magnetism
Equipment:
Generators with Propellers or Squirrel Cage Assembly, Compressed Air, Water Wheel Generator, etc.
Procedure:

Chose the desired generator assembly and hook to the light bulb or LED's.  Blow air or run water with sufficient velocity across the blades to light the bulbs or LED's showing generation of electricity.

References:
  • Paul Hewitt, "Figuring Physics", TPT, Vol. 52, #3, Mar. 2014, p. 178.
  • P. Simeao Carvalho, Ana Paula Lima, Pedro Simeao Caravlho, "Storing the Electric Energy Produced by an AC Generator.
  • R. E. Benenson, "Miniature Hydroelectric Power Demonstration", TPT, Vol. 35, #4, Apr. 1997, p. 233, also Apparatus for Teaching Physics, p. 195.
  • Rueben E. Alley, Jr., "Windmills", TPT, Vol. 19, #9, Dec 1981, p. 590.
  • Edward W. K. Chan, Ken K. K. Tsung, Terence K. K. Chan, Nai-Ho Cheung, "Evaluating Wind Turbine Power Coefficient - An Undergraduate Experiment", AJP, Vol. 89, #4, April 2021, p. 365.
  • A Rubcic, J. Baturic-Rubcic, "A Push-Me-Pull-You Water-Driven Wheeled Vehicle", AJP, Vol. 53, #10, Oct. 1985, p. 962.
  • David Rittenhouse Inglis, "A Windmill's Theoretical Maximum Extraction of Power from the Wind", AJP, Vol. 47, #5, May 1979, p. 416.
  • David G. Pelka, Robert T. Park, and Runbir Singh, "Energy from the Wind", AJP, Vol. 46, #5, May 1978, p. 495. 
  • Richard J. Fitzgerald, "Modeling Wind Farms' Influence on Weather", Physics Today, Vol. 68, #4, Apr. 2015, p. 17.
  • John O. Dabiri, "Emergent Aerodynamics in Wind Farms", Physics Today, Vol. 67, #10, Oct. 2014, p. 66.
  • Daniel Garisto, "PHYSICS HISTORY: July 1887: James Blyth Harnesses the Wind for Electricity", APS News, Vol. 31, #7, July/Aug. 2022, p. 2.
  • Sarah Fecht, "A Higher Power", Popular Mechanic, June 2014, p. 11.
  • Mary Beth Griggs, "A Wind Machine You Can Call Home", Popular Science, Vol. 287, #7, July 2015, p. 26.
  • Lindsey Kratochwill, "From the Archives: Machines that Follow the Wind", Popular Science, Vol. 287. #6, June 2015, p. 82.
  • Katie Peek, "Slow Growing High-Power Turbines", Popular Science, Vol. 287. #6, June 2015, p. 82.
  • Osha Gray Davison, "Building Smarter Wind Turbines", Popular Science, Vol. 287. #6, June 2015, p. 55.
  • Erik Sofge, "The Quest To Harness Wind Energy At 2,000 Feet", Popular Science, Vol. 286. #10, Oct. 2014, p. 50.
  • "A Homemade Water Motor", Popular Mechanics: The Boy Scientist, p. 164 - 166.
  • "A Small Hydraulic Turbine", Popular Mechanics: The Boy Scientist, p. 160 - 163.
  • Reader's Digest, "Getting Electricity from the Wind", How in the World, p. 124.
  • Carson I. A. Ritchie, "The Sand Machine", Making Scientific Toys, p. 96.
  • Joseph H. Adams, "Power from Water-Wheels", Harper's Electricity Book For Boys", p. 347.
  • David Kutliroff, "Turn a Paddle Wheel with a Waterfall", 101 Classroom Demonstrations and Experiments for Teaching Physics, p. 136.
  • "Following Nature's Current", Foundation for Water & Energy Education, 2014.
  • Prof. Robert Griffith, "A Wind-Mill", Boys' Useful Pastimes, p. 58.
  • Prof. Robert Griffith, "An Aquarium Mill", Boys' Useful Pastimes, p. 63.
  • Dr. Gordon Stables, R.N., C. Stansfeld Hicks, J. N. Maskelyne, Rev. Harry Jones, M.A, Dr. Stradling, Captain Crawley, Rev. A. N. Malan, M.A., F.G.S., and Many Others, "A Real Water-Wheel", The Boy's Own Book of  Indoor Games and Recreations, A Popular Encyclopaedia for Boys, p. 106.
  • Dr. Gordon Stables, R.N., C. Stansfeld Hicks, J. N. Maskelyne, Rev. Harry Jones, M.A, Dr. Stradling, Captain Crawley, Rev. A. N. Malan, M.A., F.G.S., and Many Others, "A Model Windmill", The Boy's Own Book of  Indoor Games and Recreations, A Popular Encyclopaedia for Boys, p. 97.






Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.