4B30.53 - Heat Transfer - Liquid Crystal Indicator

Code Number:
Demo Title:
Heat Transfer - Liquid Crystal Indicator
Area of Study:
Heat & Fluids
Copper Sheet with Attached Liquid Crystal Film, Insulated Cups with Holes for the Copper Sheet, Aluminum Plate with Attached Postcard Liquid Crystal, and Two Beakers.

Put cold water in one beaker and hot water in the other.  Insert the apparatus and observe the heat conduction from hot to cold with the liquid crystal.

  • M. P. Strzys, S. Kapp, M. Thees, J. Kuhn, P. Lukowicz, P. Knierim, and A. Schmidt, "Augmenting the Thermal Flux Experiment: A Mixed Reality Approach with the HoloLens", TPT, Vol. 55, #6, Sept. 2017, p. 376. 
  • R. D. Edge, "Thermal Conductivity and Liquid Crystal Thermometers", TPT, Vol. 31, #7, Oct. 1993, p. 412.
  • Michael E. Bacon, R. M. WIck, and P. Hecking, "Heat, Light, and Videotapes: Experiments in Heat Conduction Using Liquid Crystal Film", AJP, Vol. 63, #4, Apr. 1995, p. 359.
  • Brian W. Dodson, Thomas L. Hunzeker, "A Quantitative Demonstration of Conductive Heat Transfer", AJP, Vol. 41, #2, Feb. 1973, p. 281
  •  Ashley G. Smart. "Laser Beam Remodels Liquid Crystals on the Fly", Physics Today, Vol. 68, #6, June 2015, p. 12.
  •  "H-395. Liquid Crystal - Hammer Blow", DICK and RAE Physics Demo Notebook, 1993.
  •  Robert Ehrlich, "I.7. Heat Conductivity Demonstration Using Thermostrips", Turning the World Inside Out and 174 Other Simple Physics Demonstrations, p. 119 - 120.

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