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Magome, Hirokatsu; Okada, Yuji; Tomita, Kenji; Iida, Kazuhiro; Ando, Hitoshi; Yonekawa, Akihisa; Ueda, Haruyasu; Hanawa, Hiroshi; Kanno, Masaru; Sakuta, Yoshiyuki
JAEA-Technology 2015-025, 100 Pages, 2015/09
In Japan Atomic Energy Agency, in order to solve the problem in the long-term operation of a light water reactor, preparation which does the irradiation experiment of light-water reactor fuel and material was advanced. JMTR stopped after the 165th operation cycle in August 2006, and is advancing renewal of the irradiation facility towards re-operation. The material irradiation test facility was installed from 2008 fiscal year to 2012 fiscal year in JMTR. The material irradiation test facility is used for IASCC study, and that consists of mainly three equipments. This report is described performance operating test of the water environmental control facilities for IASCC study carried out 2013 fiscal year.
Magome, Hirokatsu; Okada, Yuji; Hanawa, Hiroshi; Sakuta, Yoshiyuki; Kanno, Masaru; Iida, Kazuhiro; Ando, Hitoshi; Yonekawa, Akihisa; Ueda, Haruyasu; Shibata, Mitsunobu
JAEA-Technology 2014-023, 267 Pages, 2014/07
In Japan Atomic Energy Agency, in order to solve the problem in the long-term operation of a light water reactor, preparation which does the irradiation experiment of light-water reactor fuel and material was advanced. JMTR stopped after the 165th operation cycle in August 2006, and is advancing renewal of the irradiation facility towards re-operation. The material irradiation test facility was installed from 2008 fiscal year to 2012 fiscal year in JMTR. This report summarizes manufacture and installation of the material irradiation test facility for IASCC research carried out from 2012 to 2014 in the follow-up report reported before (JAEA-Technology 2013-019).
Okada, Yuji; Magome, Hirokatsu; Hanawa, Hiroshi; Omi, Masao; Kanno, Masaru; Iida, Kazuhiro; Ando, Hitoshi; Shibata, Mitsunobu; Yonekawa, Akihisa; Ueda, Haruyasu
JAEA-Technology 2013-019, 236 Pages, 2013/10
In Japan Atomic Energy Agency, in order to solve the problem in the long-term operation of a light water reactor, preparation which does the irradiation experiment of light-water reactor fuel and material is advanced. JMTR stopped after the 165th operation cycle in August 2006, and is advancing renewal of the irradiation facility towards re-operation. This material irradiation test facility and power ramping test facility for doing the neutron irradiation test of the fuel and material for light water reactors is scheduled to be manufactured and installed between the 2008 fiscal year and the 2012 fiscal year. This report summarizes manufacture and installation of the material irradiation test facility for IASCC research carried out from the 2008 fiscal year to the 2010 fiscal year.
Katata, Genki; Nagai, Haruyasu; Kajino, Mizuo*; Ueda, Hiromasa*; Hozumi, Yu*
Agricultural and Forest Meteorology, 150(3), p.340 - 353, 2010/03
Times Cited Count:31 Percentile:76.95(Agronomy)The aim of the present study is to evaluate fog deposition on vegetation and its contribution to water and energy balance in arid regions using a detailed land surface model including fog deposition on vegetation under meteorological conditions simulated by a meteorological model. The results of estimated fog deposition indicated that fog deposition provided a more effective water source for plant growth as compared to heavy rainfall in arid areas. Evaporation from leaf surface water eases the plant's water stress via reducing transpiration. Latent heat of evaporation from the leaf surface water and soil causes temperature reduction of soil and leaves during the daytime. Moreover, decreased transpiration rates as a result of increased evaporation from the leaf surface water due to fog deposition, yields an effective water source to be used for photosynthesis for those plants suffering from severe water stress in arid environments.
Katata, Genki; Nagai, Haruyasu; Ueda, Hiromasa*; Agam, N.*; Berliner, P. R.*
Journal of Hydrometeorology, 8(6), p.1307 - 1324, 2007/12
no abstracts in English
Katata, Genki; Nagai, Haruyasu; Ueda, Hiromasa*
Proceedings of 4th International Conference on Fog, Fog Collection and Dew, p.33 - 36, 2007/07
Generation of fog along the coastal mountain range in a semi-arid environment is investigated using three-dimensional Mesoscale Model (MM5) simulations. The study focuses on dense fog formed along a west side of the Asir mountains in Saudi Arabia during January 2002. MM5 reproduced tower measurements of cloud water content, wind speed and direction, air temperature, humidity, and solar radiation. Computed profiles of wind speed and direction, air temperature, and humidity also agreed with rawinsonde measurements. Numerical experiments using a one-dimensional model for atmosphere-soil-vegetation interaction (SOLVEG) with fog water deposition process have been performed to evaluate the contribution of fog water deposition to water resource at the area. Meteorological and cloud water at the lowest atmospheric layer from MM5 simulation results were used in the experiments. Fog along the coastal mountain range may be an important water resource for vegetation surviving in the area.
Katata, Genki; Nagai, Haruyasu; Ueda, Hiromasa*
no journal, ,
no abstracts in English
Katata, Genki; Nagai, Haruyasu; Kajino, Mizuo*; Ueda, Hiromasa*
no journal, ,
no abstracts in English
Kajino, Mizuo*; Katata, Genki; Nagai, Haruyasu; Ishikawa, Hirohiko*; Ueda, Hiromasa*
no journal, ,
no abstracts in English