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Fujiwara, Yusuke; Nemoto, Takahiro; Tochio, Daisuke; Shinohara, Masanori; Ono, Masato; Takada, Shoji
Journal of Nuclear Engineering and Radiation Science, 3(4), p.041013_1 - 041013_8, 2017/10
In HTTR, the test was carried out at the reactor thermal power of 9 MW under the condition that one cooling line of VCS was stopped to simulate the partial loss of cooling function from the surface of RPV in addition to the loss of forced cooling flow in the core simulation. The test results showed that temperature change of the core internal structures and the biological shielding concrete was slow during the test. Temperature of RPV decreased several degrees during the test. The temperature decrease of biological shielding made of concrete was within 1
C. The numerical result simulating the detail configuration of the cooling tubes of VCS showed that the temperature rise of cooling tubes of VCS was about 15C, which is sufficiently small, which did not significantly affect the temperature of biological shielding concrete. As the results, it was confirmed that the cooling ability of VCS can be kept in case that one cooling line of VCS is lost.
Fujiwara, Yusuke; Nemoto, Takahiro; Tochio, Daisuke; Shinohara, Masanori; Ono, Masato; Hamamoto, Shimpei; Iigaki, Kazuhiko; Takada, Shoji
Proceedings of 24th International Conference on Nuclear Engineering (ICONE-24) (DVD-ROM), 7 Pages, 2016/06
In HTTR, the test was carried out at the reactor thermal power of 9 MW under the condition that one cooling line of VCS was stopped to simulate the partial loss of cooling function from the surface of RPV in addition to the loss of forced cooling flow in the core simulation. The test results showed that temperature change of the core internal structures and the biological shielding concrete was slow during the test. Temperature of RPV decreased several degrees during the test. The temperature decrease of biological shielding made of concrete was within 1C. The numerical result simulating the detail configuration of the cooling tubes of VCS showed that the temperature rise of cooling tubes of VCS was about 15 degree C, which is sufficiently small, which did not significantly affect the temperature of biological shielding concrete. As the results, it was confirmed that the cooling ability of VCS can be kept in case that one cooling line of VCS is lost.
*; *; Shimada, M.*; Wachi, Y.*; Fujioka, T.*; Isono, Takaaki; Okuno, Kiyoshi; Takahashi, Yoshikazu; Sugimoto, Makoto; Hiue, Hisaaki*; et al.
Cryogenics, 33(6), p.586 - 591, 1993/00
Times Cited Count：5 Percentile：35.86(Thermodynamics)no abstracts in English
Wachi, Y.*; *; *; *; Fujioka, T.*; Nakajima, Hideo; Sugimoto, Makoto; Koizumi, Koichi; Yoshida, Kiyoshi; *; et al.
Cryogenics, 33(6), p.603 - 608, 1993/00
Times Cited Count：2 Percentile：17.83(Thermodynamics)no abstracts in English
Wachi, Y.*; *; *; *; Fujioka, T.*; Nakajima, Hideo; Sugimoto, Makoto; Koizumi, Koichi; Yoshida, Kiyoshi; *; et al.
Teion Kogaku, 27(3), p.245 - 251, 1992/00
no abstracts in English
; Hiyama, Tadao; Kato, Takashi; ;
Teion Kogaku, 19(2), p.153 - 162, 1984/00
no abstracts in English
; ; Hiyama, Tadao; ; ; ; ; ; ; ; et al.
Teion Kogaku, 19(2), p.105 - 115, 1984/00
no abstracts in English
; ; ; ; ;
Teion Kogaku, 19(2), p.163 - 169, 1984/00
no abstracts in English
