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Ogawa, Masuro*
JAEA-Technology 2019-010, 22 Pages, 2019/07
JAEA-Technology-2019-010.pdf:1.5MB
Transition phenomena from laminar to turbulent flow are roughly classified into three categories. Circular pipe flow of the third category is linearly stable against any small disturbance, despite that flow actually transitions and transitional flow exhibits intermittency. These are among major challenges that are yet to be resolved in fluid dynamics. Thus, author proposes hypothesis as follows; "Flow in a circular pipe transitions from laminar flow because of vortices released from separation bubble forming in vicinity of inlet of pipe, and transitional flow becomes intermittent because vortex-shedding is intermittent." Present hypothesis can easily explain why linear stability theory has not been able to predict transition in circular pipe flow, why circular pipe flow actually transitions, why transitional flow actually exhibits intermittency even due to small disturbance, and why numerical analysis has not been able to predict intermittency of transitional flow in circular pipe.
Tachibana, Yukio; Hontani, Koji*; Takeda, Takeshi; Saikusa, Akio; Shinozaki, Masayuki; Isozaki, Minoru; Iyoku, Tatsuo; Kunitomi, Kazuhiko
Nuclear Engineering and Design, 201(2-3), p.227 - 238, 2000/10
Times Cited Count：3 Percentile：27.02(Nuclear Science & Technology)no abstracts in English
Tachibana, Yukio; Hontani, Koji*; Kojima, Takao; Takeda, Takeshi; Emori, Koichi; Saruta, Toru; Iyoku, Tatsuo; Kunitomi, Kazuhiko
JAERI-Tech 2000-026, p.61 - 0, 2000/03
JAERI-Tech-2000-026.pdf:2.18MB
no abstracts in English
Tachibana, Yukio; Kunitomi, Kazuhiko; *; Sawa, Kazuhiro; Takeda, Takeshi; Saikusa, Akio; Kawaji, Satoshi; Iyoku, Tatsuo
JAERI-Tech 98-027, 74 Pages, 1998/07
no abstracts in English
Kunitomi, Kazuhiko; Tachibana, Yukio; *; Nakano, Masaaki*; Saikusa, Akio; Takeda, Takeshi; Iyoku, Tatsuo; ; Sawahata, Hiroaki; Okubo, Minoru; et al.
JAERI-Tech 97-040, 91 Pages, 1997/09
no abstracts in English
Ogawa, Masuro; Kunugi, Tomoaki
Fusion Engineering and Design, 29, p.233 - 237, 1995/00
Times Cited Count：8 Percentile：60.06(Nuclear Science & Technology)no abstracts in English
Takeda, Takeshi; Kunitomi, Kazuhiko; *
JAERI-M 93-215, 32 Pages, 1993/10
no abstracts in English
M.Li*; ; ; Saito, Takashi; ; Itabashi, Yukio;
JAERI-M 90-190, 35 Pages, 1990/11
no abstracts in English
; Kanno, Ikuo; *; Takizuka, Takakazu; Ogawa, Toru; Kaneko, Yoshihiko; *; *; *; *; et al.
J. Space Technol. Sci., 5(2), p.5 - 14, 1990/00
no abstracts in English
Kunugi, Tomoaki; M.Z.Hasan*;
Proc. of IEEE 13th Symp. on Fusion Engineering, Vol. 2, p.882 - 885, 1989/00
no abstracts in English
Tsuyuzaki, Noriyoshi; Saito, Takashi; *
JAERI-M 88-227, 12 Pages, 1988/11
no abstracts in English
Kaminaga, Fumito*; Tsuyuzaki, Noriyoshi; Saito, Takashi; *; Okamoto, Yoshizo*
Inst. Space Aeronaut. Sci., Rep., No. 6, p.55 - 60, 1988/00
no abstracts in English
; ; ; *;
Hito Paipu Gijutsu; Nihon Hito Paipu Kyokai Kaiho, 17, p.20 - 34, 1986/00
no abstracts in English
; ; ; *;
Hito Paipu Gijutsu; Nihon Hito Paipu Kyokai Kaiho, 18, p.22 - 36, 1986/00
no abstracts in English
Akino, Norio; ; Nekoya, Shinichi; Takizuka, Takakazu; Emori, Kouichi; Sanokawa, Konomo;
JAERI-M 9195, 41 Pages, 1980/11
no abstracts in English
