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Endo, Masato; Takaki, Wataru; Kawahara, Akimaro; Sadatomi, Michio; Hirakata, Yudai
The 20th national symposium on power and energy systems (SPES 2015)2015
The 20th national symposium on power and energy systems (SPES 2015)2015
AbstractAbstract
[en] The purpose of this study is to investigate the effects of a grid spacer with mixing vane (MV) on air-water two-phase annular flow in simplified center subchannel, which is seen in fuel rod bundle of a boiling water nuclear reactor (BWR). Two types of spacer, which were grid spacer with and without MV, were installed to the circular pipe of 16 mm in diameter, and deposition rate of liquid droplets in gas core of the annular flow on the channel wall was measured with double liquid film extraction method. From the deposition rate data, it was seen that deposition mass transfer coefficient was much higher for the spacer with MV than the spacer without MV. (author)
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Japan Society of Mechanical Engineers, Tokyo (Japan); 402 p; Jun 2015; p. 369-370; SPES 2015: 20. national symposium on power and energy systems; Sendai, Miyagi (Japan); 18-19 Jun 2015; Available from Power and Energy System Division, Japan Society of Mechanical Engineers, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-0016 Japan; 4 refs., 4 figs.
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Miscellaneous
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Conference
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