A novel flat heat pipe has been developed to assist in meeting the high thermal design requirements in high power microelectronics, power converting systems, laptop computers and spacecraft thermal control systems. Two different prototypes, each measuring 152.4 mm by 25.4 mm were constructed and evaluated experimentally. Sintered copper screen mesh was used as the primary wicking structure, in conjunction with a series of parallel wires, which formed liquid arteries. Water was selected as the working fluid. Both experimental and analytical investigations were conducted to examine the maximum heat transport capacity and optimize the design parameters of this particular design. The experimental results indicated that the maximum heat transport capacity and heat flux for Prototype 1, which utilized four layers of 100 mesh screen were 112 W and respectively, in the horizontal position. For Prototype 2, which utilized six layers of 150 mesh screen, these values were 123 W and respectively. The experimental results were in good agreement with the theoretical predictions for a mesh compact coefficient of
Investigation of a Novel Flat Heat Pipe
Manuscript received February 5, 2004; revision received May 10, 2004. Review conducted by: J. H. Lienhard V.
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Wang, Y., and Peterson, G. P. (March 15, 2005). "Investigation of a Novel Flat Heat Pipe ." ASME. J. Heat Transfer. February 2005; 127(2): 165–170. https://doi.org/10.1115/1.1842789
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