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Uesawa, Shinichiro; Ono, Ayako; Koizumi, Yasuo; Shibata, Mitsuhiko; Yoshida, Hiroyuki
Dai-55-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu (USB Flash Drive), 8 Pages, 2018/05
no abstracts in English
Uesawa, Shinichiro; Koizumi, Yasuo; Shibata, Mitsuhiko; Yoshida, Hiroyuki
Dai-54-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu (CD-ROM), 8 Pages, 2017/05
no abstracts in English
Uesawa, Shinichiro; Koizumi, Yasuo; Shibata, Mitsuhiko; Yoshida, Hiroyuki
Dai-53-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu (CD-ROM), 8 Pages, 2016/05
no abstracts in English
Koizumi, Yasuo; Takahashi, Kazuki*; Uesawa, Shinichiro; Yoshida, Hiroyuki; Takase, Kazuyuki
Dai-52-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu (CD-ROM), P. 2, 2015/06
Pool nucleate boiling heat transfer experiments were performed for water at 0.101 MPa to examine the elementary process of the nucleate boiling. The copper printed circuit board of a 1.57 mm thick bakelite plate coated with a 0.035 mm thick copper membrane was used for a heat transfer surface. The size of the heat transfer surface was 10 mm 
10 mm. direct current was supplied to it to heat it up. The bakelite plate of the backside of the copper layer was taken by 7 mm 10 mm. The instantaneous variation of the backside temperature of the heat transfer surface was measured with an infrared radiation camera. The time and the space resolution of the infrared cameras used in experiments were 120 Hz and 0.315 mm 0.315 mm, respectively. Surface temperatures just before the burn-out measured with 120 Hz suggest that the surface temperature was steadily low at a large part of the heat transfer surface. A small hot-dry area came out at the critical heat flux condition. Then, this small hot-dry area iterated to expand and shrink and gradually grew. Other area was still wetted and kept at low temperature. Eventually the small hot-dry area started to grow continuously and a whole part of the heat transfer surface became hot-dry to reach the physical burn-out. The heat transfer surface was divided into two large areas; the hot-dry area and the low-temperature wetted area until the physical burn-out. The local surface heat flux variation derived from measured surface temperature variation clearly illustrated that the boundary between the dried area and the wetted area moved back and forth and the dried arear gradually grew to reach physical bourn-out at the critical heat flux condition.
Liu, W.; Takase, Kazuyuki
Dai-47-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, p.445 - 446, 2010/05
A measurement system for surface temperature and surface heat flux of a heating block was developed. The system was consisted by two parts: (1) inner temperature were measured by using micro - thermocouples; (2) with using the measured inner temperatures, inverse heat transfer analysis is performed to get surface heat flux and surface temperature. For the inner temperature measurement, special T type micro thermocouples with a common positive pole were developed and were set several micro meter beneath the surface of the heating block. In this research, the developed system was tried being used for measuring the change of surface heat flux and surface temperature in a nucleate pool boiling under atmosphere condition. The decrease of surface temperature and the increase of the surface heat flux with the formation of a big deformed bubble were derived.
Onuki, Akira; Kobayashi, Noboru
Dai-45-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, 1, p.3 - 4, 2008/05
no abstracts in English
Sugiyama, Tomoyuki
Dennetsu, 45(192), p.71 - 76, 2006/07
no abstracts in English
Shiina, Yasuaki; Nemoto, Hiroyuki*; Ogi, Hiromichi*; Inagaki, Terumi*
Dai-43-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, p.415 - 416, 2006/05
no abstracts in English
Ogi, Hiromichi*; Shiina, Yasuaki; Inagaki, Terumi*
Dai-43-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, p.413 - 414, 2006/05
no abstracts in English
Nakatsuka, Toru
Dennetsu, 44(189), p.9 - 14, 2005/11
no abstracts in English
Kasahara, Seiji; Kubo, Shinji; Ogawa, Masuro
Dennetsu, 44(188), p.25 - 30, 2005/09
JAERI has been carrying out R&D on the HTGR (High Temperature Gas-cooled Reactor) hydrogen production system in the fields of HTGR as heat source, system integration technology and hydrogen prodcution process. History and present state of the R&D of the HTGR hydrogen production system in JAERI is described breifly especially focusing on thermochemical hydrogen production IS process.
Ose, Yasuo*; Takase, Kazuyuki; Yoshida, Hiroyuki; Kano, Takuma; Kureta, Masatoshi; Akimoto, Hajime
Dai-41-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, 2 Pages, 2004/05
no abstracts in English
Takase, Kazuyuki; Ose, Yasuo*; Yoshida, Hiroyuki; Kunugi, Tomoaki*
Dai-39-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu (CD-ROM), 2 Pages, 2002/06
no abstracts in English
Takase, Kazuyuki; Ose, Yasuo*; Shibata, Mitsuhiko; Akimoto, Hajime
Dai-38-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, p.641 - 642, 2001/00
no abstracts in English
Takase, Kazuyuki; Ose, Yasuo*; Akimoto, Hajime
Dai-37-Kai Nihon Dennetsu Simpojiumu Koen Rombunshu, p.703 - 704, 2000/05
no abstracts in English
Watanabe, Tadashi
Dennetsu, 38(149), p.8 - 13, 1999/03
no abstracts in English
Takase, Kazuyuki; Kunugi, Tomoaki*; Yamazaki, Seiichiro*; *
Dai-35-Kai Nihon Dennetsu Simpojiumu Koen Rombunshu, p.801 - 802, 1998/05
no abstracts in English
Park, H.; Yamano, Norihiro; Maruyama, Yu; Moriyama, Kiyofumi; Yang, Y.; Sugimoto, Jun
Dai-35-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, 3, p.803 - 804, 1998/00
no abstracts in English
Akino, Norio; *; Kubo, Shinji; *; *; *; *
Dai-33-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, 0, p.233 - 234, 1996/00
no abstracts in English
*; *; Akino, Norio; Takase, Kazuyuki; Kubo, Shinji
Dai-32-Kai Nihon Dennetsu Shimpojiumu Koen Rombunshu, 0, p.435 - 436, 1995/05
no abstracts in English
