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Koizumi, Yasuo; Yoshizawa, Shota*
Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition (IMECE 2014) (DVD-ROM), 7 Pages, 2014/11
The enhancement of drop wise condensation heat transfer by functionalizing a heat transfer surface was examined for 0.1 MPa steam. A gold-plated surface was used to produce the drop wise condensation. Rectangular-grooved heat transfer surfaces were adopted to functionalize the heat transfer surface. The size of the grooves were 2 mm 2 mm 2 mm, 3 mm 3 mm 3 mm and 2 mm 3 mm 2 mm (depth top width bottom width), respectively. The heat flux of the grooved surface was larger than that of the plain gold-plated surface. When the groove size was 2 mm 2 mm 2 mm and the top parts and the walls of grooves were plated with gold, the heat transfer rate augmentation was highest; the augmentation rate was 1.53. Since to increase the width of the top part of the grooves tended to bring the quality of the surface structure close to the plain surface, it was not right direction. It was also implied that to make summits and troughs on the surface to collect condensate tended to expose the summit part to steam more, which might result in the heat transfer augmentation.
Takeshima, Yuriko; Takahashi, Shigeo*; Fujishiro, Issei*; Nielson, G. M.*
Proceedings of IEEE Visualization 2004 (VIS 2004) (CD-ROM), 2 Pages, 2004/10
no abstracts in English
Shibamoto, Yasuteru; Yonomoto, Taisuke; Kukita, Yutaka; Tsuji, Yoshiyuki*; *
Journal of Nuclear Science and Technology, 33(9), p.703 - 711, 1996/09
Times Cited Count:2 Percentile:24.71(Nuclear Science & Technology)no abstracts in English
Tsuruno, Akira; Matsubayashi, Masahito; Kodaira, Tsuneo; *
Proc. of 2nd Int. Topical Meeting on Neutron Radiography System Design and Characterization, 0, p.288 - 289, 1995/00
no abstracts in English
Spectrochimica Acta, Part A, 47(12), p.1751 - 1765, 1991/00
no abstracts in English
; ; ;
Nuclear Fusion, 27(2), p.299 - 312, 1987/02
Times Cited Count:3 Percentile:15.01(Physics, Fluids & Plasmas)no abstracts in English
JAERI 1269, 85 Pages, 1981/03
no abstracts in English
JAERI-M 5178, 17 Pages, 1973/02
no abstracts in English
Ezura, Hideo*
Japan-United States Seminar on Nuclear Reactor Noise analysis, p.275 - 283, 1968/00
no abstracts in English