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TECHNICAL PAPERS: Experimental Techniques

Hysteresis in Liquid Crystal Thermography

[+] Author and Article Information
M. R. Anderson

GE Optimization Services, 1631 Bently Parkway South, Minden NV 89423

J. W. Baughn

Department of Mechanical and Aeronautical Engineering, University of California, Davis, One Shields Avenue, Davis CA 95616

J. Heat Transfer 126(3), 339-346 (Jun 16, 2004) (8 pages) doi:10.1115/1.1738425 History: Received July 23, 2001; Revised February 23, 2004; Online June 16, 2004
Copyright © 2004 by ASME
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References

Figures

Grahic Jump Location
Typical reflected peak wavelength (color) and molecular state as a function of temperature for a thermochromic liquid crystal substance
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(a) RGB and Hue for R30C10W—Heating; and (b) RGB and Hue for R30C10W—Cooling
Grahic Jump Location
(a) RGB and Hue for R35C5W—Heating; and (b) RGB and Hue for R35C5W—Cooling
Grahic Jump Location
(a) RGB and Hue for R35C1W TLC—Heating; (b) RGB and Hue for R35C1W TLC—Cooling
Grahic Jump Location
Temperature shift (or bias) due to hysteresis as a function of cooling start temperature for 5 TLCs (measured at a hue value between 0.4 and 0.5)

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