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Akutsu-Suyama, Kazuhiro*; Yamada, Norifumi*; Ueda, Yuki; Motokawa, Ryuhei; Narita, Hirokazu*
Applied Sciences (Internet), 12(3), p.1215_1 - 1215_10, 2022/02
Times Cited Count：1 Percentile：28.33(Chemistry, Multidisciplinary)no abstracts in English
Otani, Kyohei; Ueno, Fumiyoshi; Kato, Chiaki
Zairyo To Kankyo, 71(2), p.40 - 45, 2022/02
The purpose of this study is to investigate the effect of oxygen concentration in the air on the corrosion rate of carbon steel in an air/solution alternating environment in the low oxygen concentration range and to clarify the corrosion rate and corrosion mechanism of carbon steel depending on the oxygen concentration in air by the mass change of specimens before and after the corrosion test and observing the iron rust layer formed on the surface of carbon steel. The corrosion rate increases with increasing oxygen concentration in the air, and the gradient of the corrosion rate decreases gradually. The maximum erosion depth increased with increasing oxygen concentration except for the case of 1% oxygen concentration, however, the maximum erosion depth for 1% oxygen concentration was larger than that for 5% air oxygen concentration.
Yoshida, Hiroyuki; Uesawa, Shinichiro; Horiguchi, Naoki; Miyahara, Naoya; Ose, Yasuo*
Dai-23-Kai Doryoku, Enerugi Gijutsu Shimpojiumu Koen Rombunshu (USB Flash Drive), 5 Pages, 2018/06
no abstracts in English
Inagaki, Terumi*; Hatori, Masakazu*; Suzuki, Tomohiro*; Shiina, Yasuaki
Proceedings of International Conference on Advanced Optical Diagnostics in Fluids, Solids and Combustion (VSJ-SPIE '04) (CD-ROM), 9 Pages, 2004/12
no abstracts in English
Inagaki, Terumi*; Kaneko, Toshinobu*; Hatori, Masakazu*; Shiina, Yasuaki
Nihon Kikai Gakkai Rombunshu, B, 70(699), p.279 - 286, 2004/11
no abstracts in English
Takase, Kazuyuki; Yoshida, Hiroyuki; Ose, Yasuo*; Tamai, Hidesada; Akimoto, Hajime
Transactions of the American Nuclear Society, 89, p.88 - 89, 2003/11
no abstracts in English
JAERI-M 85-150, 28 Pages, 1985/10
no abstracts in English
Naoe, Takashi; Wan, T.; Kogawa, Hiroyuki; Futakawa, Masatoshi
no journal, ,
Pressure wave propagation and following cavitation bubble and liquid jet from free-surface were analyzed through the high-speed photography method to study the effect of gas wall on pressure wave mitigation in mercury target for J-PARC. Spark discharge system was used as the pressure wave generator in acrylic tube filled with water. Distance among the source of pressure, the wall, and free-surface were parametrically changed in order to investigate the effect of the boundary conditions on jet behaviors. It was found that the velocity of liquid jet is changed correlated with the both of distances from free surface and wall. Velocity of jet is sufficiently smaller than the velocity of microjet (100
200 m/s), which is emitted during the collapsing of cavitation bubble and is dominant factor to produce cavitation erosion. Therefore, it was suggested that the gas wall has the potential to reduce the cavitation damage of the mercury target.
Uesawa, Shinichiro; Horiguchi, Naoki; Yoshida, Hiroyuki
no journal, ,
no abstracts in English
