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Keywords: liquid crystals
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Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2010, 132(12): 122202.
Published Online: September 21, 2010
... and complexity of the flow features present in those systems still require experimental validation of real engine designs. Among the experimental techniques possible to be used, transient liquid crystal method offers good resolution as well as sufficient accuracy. Under this investigation, an impingement cooling...
Journal Articles
Article Type: Foreword
J. Heat Transfer. August 2006, 128(8): 733.
Published Online: August 1, 2006
...Kenneth D. Kihm flow visualisation bubbles two-phase flow drops evaporation drying film flow cooling jets liquid crystals The Tenth Heat Transfer Photogallery was sponsored by the K-22 Heat Transfer Visualization Committee for the 2005 International Mechanical Engineering Congress...
Journal Articles
Article Type: Heat Transfer Photogallery
J. Heat Transfer. August 2006, 128(8): 738.
Published Online: August 1, 2006
...Eric Esposito; Srinath V. Ekkad Experimental Procedure: •Blower is set appropriately for required jet Reynolds number •Heater is turned on and allowed to reach steady state •A picture is taken of the liquid crystal coated test plate and heater amperage and voltage measured •Heater power...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2007, 129(3): 372–378.
Published Online: June 15, 2006
...Timothy B. Roth; Ann M. Anderson Thermochromic liquid crystal materials change their crystalline structure and optical properties with temperature, making them useful in temperature measurement applications. This paper presents the results of a study to develop a temperature measurement system...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. July 2006, 128(7): 617–626.
Published Online: December 14, 2005
...R. Muwanga; I. Hassan Microchannel heat transfer governs the performance of the microchannel heat sink, which is a recent technology aimed at managing the stringent thermal requirements of today’s high-end electronics. The microencapsulated form of liquid crystals has been well established for use...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. June 2005, 127(6): 581–587.
Published Online: January 8, 2005
...M. R. Anderson; J. W. Baughn Experiments have been performed to examine the spectral effects of the illumination source on the hue-temperature characteristics of thermochromic liquid crystals (TLCs) used in a liquid-crystal thermography system. Five illumination sources were compared in this study...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. October 2001, 123(5): 1006–1014.
Published Online: January 8, 2001
...P. M. Lutjen; D. Mishra; V. Prasad, Fellow ASME A Liquid Crystal Scanning Thermography (LCST) technique is developed and implemented to visualize and measure three-dimensional temperature fields. Results are reported for natural convection in a differentially heated vertical cavity. Experiments...
Journal Articles
Article Type: Technical Notes
J. Heat Transfer. June 2001, 123(3): 604–607.
Published Online: November 21, 2000
...Christopher J. Elkins, Physical Science Research Associate,; John Fessler, Assoc. Mem. ASME, Senior Engineer,; John K. Eaton, Fellow ASME, Professor, A small calibrator has been constructed to facilitate wide-band liquid crystal temperature measurements on complex, curved surfaces. The calibrator’s...
Journal Articles
Article Type: Heat Transfer Gallery
J. Heat Transfer. August 2000, 122(3): 427.
Published Online: August 1, 2000
...J. W. Baughn,; M. Dietzel, and; J. E. Mayhew jets liquid crystals heat transfer stratified flow flow measurement These pictures show the hue values (calibrated against temperature) of thermochromic liquid crystals on a flat surface with an oblique impinging air jet. The pictures...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. May 2000, 122(2): 240–247.
Published Online: December 2, 1999
... ranging from 1 to 6 jet hydraulic diameters. A transient thermochromic liquid crystal method was used to map the local heat transfer coefficient distribution. The results are reported for the unit cell under the center jet and detail the mean heat transfer as well as the characteristics of the spatial...