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Infrared Thermal Image on Vapor-Liquid Interface in Capillary Microgrooves Heat Sink

[+] Author Affiliations
Tao Wang, Xuegong Hu, Dawei Tang, Chaohong Guo

Chinese Academy of Sciences, Beijing, China

Paper No. ICNMM2009-82218, pp. 589-594; 6 pages
doi:10.1115/ICNMM2009-82218
From:
  • ASME 2009 7th International Conference on Nanochannels, Microchannels, and Minichannels
  • ASME 2009 7th International Conference on Nanochannels, Microchannels and Minichannels
  • Pohang, South Korea, June 22–24, 2009
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 978-0-7918-4349-9 | eISBN: 978-0-7918-3850-1
  • Copyright © 2009 by ASME

abstract

An infrared thermoviewer is utilized to measure the temperature distribution on solid walls and vapor-liquid interfaces of the rectangular capillary microgrooves heat sink, which is made of borosilicate glass. The infrared thermal image clearly shows that the solid wall temperature of microgroove top is lower than the average temperature of vapor-liquid interface. The results indicate that heat source position has a significant influence on the microgrooves surface temperature distribution, besides working liquid, tilt angle (the angle between microgroove surface and gravity direction) and heat flux.

Copyright © 2009 by ASME
Topics: Vapors , Heat sinks

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