Search Results 1-20 of 56

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  • NID "NUCLEAR INNOVATIVE DESIGN" PROJECT – PROMOTING INNOVATION ON RUPTURE FOR NPP'S FUTURE

    GAY Laurent , MARTINO Eric

    … Structural modules also include SCS (Steel Concrete Structure) panels, welded together once on site and infilled with lightweight cement composite material. … Experimental studies were performed on the influence of the pitch-to-diameter ratio on two-phase flow-induced forces across a tube bundle. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 2301, 2019

    J-STAGE 

  • Drilling project management in the phase-2 preparation stage : How to utilize lessons learned from the phase-1  [in Japanese]

    宮崎 俊也

    石油技術協会誌 = Journal of the Japanese Association for Petroleum Technology 83(5), 376-379, 2018-09

  • Evaluation of Fatigue Strength of Hydraulic Turbine Runner SCS6X  [in Japanese]

    KIKKAWA Yosuke , HAYASHI Yoshiichirou , AKEBONO Hiroyuki , SUGETA Atsushi

    … <p>Hydraulic power generation facility has a turbine runner for converting the kinetic energy to the rotation work, and the stainless cast steel SCS6 has been used as the material of the turbine runner. … In order to response to this problem, it is thought to alternate a material of SCS6 for stainless cast steel SCS6X, but there are few researches about the fatigue strength characteristics of SCS6X. …

    The Proceedings of Mechanical Engineering Congress, Japan 2018(0), G0300102, 2018

    J-STAGE 

  • Impact on Amount of PV in Distribution System by Suppressing Unbalanced Voltage using Single-phase Static Capacitors  [in Japanese]

    Ikai Yukimasa , Aoki Mutsumi , Fujita Yu , Kobayashi Hiroshi , Oguri Mika , Yamada Takukan

    … The authors have studied on voltage unbalance suppression system using single phase static capacitors (named SC system), and presented the control method for regulating the line voltage in proper range suppressing the unbalanced voltage. … However, the input pattern of SCs is restricted due to the voltage rise caused by PVs. …

    IEEJ Transactions on Power and Energy 138(2), 131-139, 2018

    J-STAGE 

  • Tensile Strength and Deviation Analysis of Micro-scaled Silicon Structure with Full-coated PECVD DLC Film  [in Japanese]

    Zhang Wenlei , Hirai Yoshikazu , Tsuchiya Toshiyuki , Tabata Osamu

    phase of 44%, sp<sup>3</sup> … phase of 20% and hydrogen content of 36% from photoelectron spectroscopy (XPS), and thermal desorption spectrometry (TDS) analysis. … phase increased and sp<sup>2</sup> … phase, hydrogen content decreased. … The tensile strength of DLC coated SCS samples was 13.2%-29.6% higher compared to the bare silicon samples. …

    The Proceedings of the Symposium on Micro-Nano Science and Technology 2017.8(0), PN-129, 2017

    J-STAGE 

  • Coronary Artery Aneurysms Caused by Kawasaki Disease Diagnosed at School Cardiac Screening in Two Children  [in Japanese]

    Kamura Takuro , Kishimoto Shintaro , Kagiyama Yoshiyuki , Yoshimoto Hironaga , Kudo Yoshiyuki , Suda Kenji

    … <p>We report two cases of coronary aneurysms that were not previously diagnosed during acute illness but were discovered for the first time during school cardiac screening (SCS).</p><p>Case 1 was a 6-year-old boy who had successful immunoglobulin treatment for typical Kawasaki disease (KD) at the age of 3. …

    Pediatric Cardiology and Cardiac Surgery 33(4), 335-340, 2017

    J-STAGE  Ichushi Web 

  • Verification of Voltage Unbalance Suppression System using Single-phase Static Capacitors with Distribution Line Impedance Estimating Function  [in Japanese]

    Ikai Yukimasa , Aoki Mutsumi , Fujita Yu , Kobayashi Hiroshi , Oguri Mika , Yamada Takukan

    … The method of voltage unbalance suppression using single-phase static capacitors (SCs) was proposed, and the effectiveness of the method was confirmed through experiments carried out on low voltage systems.</p><p>In this study, the authors propose the method of distribution line impedance estimation to prevent wrong control when distribution line impedance is changed. …

    IEEJ Transactions on Power and Energy 137(5), 356-363, 2017

    J-STAGE 

  • Experimental Validation of Voltage Unbalance Suppression Method of High Voltage Distribution System using Static Capacitors  [in Japanese]

    Fujita Yu , Kobayashi Hiroshi , Kodera Takanori , Aoki Mutsumi , Ishikawa Hiroyuki , Taguchi Masaaki , Miwa Takuro

    … In addition, residential PVs cause voltage unbalance in distribution systems, as these PVs are mostly single-phase connections. … So, the authors focus on static capacitor (SC), because SC is low cost compared to static var compensator.  In this study, the authors propose a new method of controlling single phase SCs to suppress voltage unbalance by estimating voltages after SCs control. …

    IEEJ Transactions on Power and Energy 136(1), 79-86, 2016

    J-STAGE 

  • Inclusive Secondary Education in India : Challenges and Future Directions (SPECIAL ISSUE : Right to Education)

    Chanana Karuna

    … The focus of this article is on secondary education in India as the transition phase from school to higher education, as an instrument of promoting education as a right and as the pathway to higher education and through that to social mobility and equality. … The dimensions selected for detailed analysis are: participation of the SCs and STs, the gap between the education of boys and girls and the regional variations with a focus on the northeast. …

    Journal of International Cooperation in Education 16(2), 121-138, 2014-04

    IR  DOI 

  • Synthesis YFeO<sub>3</sub> by salt-assisted solution combustion method and its photocatalytic activity

    CHEN Yuanyuan , YANG Jun , WANG Xuelei , FENG Feiyi , ZHANG Yuanming , TANG Yu

    … The effects of the fuel-to-nitrate ion (F/N) and the KCl-to-metal ratios (KCl/M) on the phase and microstructure of the products are studied in detail by X-ray diffraction analysis, scanning electron microscopy, low temperature N<sub>2</sub> …

    Journal of the Ceramic Society of Japan 122(1422), 146-150, 2014

    J-STAGE 

  • OS2127 Estimation Method of Fatigue Life of Stainless Cast Steel SCS6 with Casting Defects for Hydraulic Turbine Runner  [in Japanese]

    SUGETA Atsushi , KAKUTA Motoki , HAYASHI Yoshiichiro , KATO Masahiko , AKEBONO Hiroyuki

    … In hydraulic turbine runner made of stainless cast steel,SCS6, accidents due to fatigue often occur. … (2) From SEM observation of the fracture surfaces, crack initiation sites were found to be the casting defect which consist of dendritic phase and pore. … In this study, simulation of fatigue crack growth from defect was conducted and simple estimation method of fatigue life of stainless cast steel SCS6 with casting defects was proposed. …

    The Proceedings of the Materials and Mechanics Conference 2014(0), _OS2127-1_-_OS2127-3_, 2014

    J-STAGE 

  • Development of a simple stance-control system for severe gait disturbance  [in Japanese]

    OGATA Yuto , NAKAMOTO Yoko , NAKANISHI Yoshie , WADA Futoshi , ARAI Mitsuo , HACHISUKA Kenji

    … Although patients with severe gait disturbance often use a knee-ankle-foot orthosis (KAFO), they may swing their involved lower limb with circumduction or lifting because their knee joints are locked during the swing phase. …

    Bulletin of the Japanese Society of Prosthetics and Orthotics 29(1), 42-45, 2013

    J-STAGE 

  • Evaluation of Fatigue Strength of Stainless Cast Steel SCS5 with Artificial Cavitation Erosion on for Hydraulic Turbine Runner  [in Japanese]

    HAYASHI Yoshiichirou , AKEBONO Hiroyuki , KATO Masahiko , SUGETA Atsushi

    … In this study, bending fatigue tests were carried out for the stainless cast steel SCS5 cut out from the hydraulic turbine runner vane used for 22 years, in order to clarify fatigue properties and fracture mechanism of SCS5 with artificial cavitation eroded surface. … (2)From SEM observation of the fracture surfaces, crack initiation sites were found to be the cavitation eroded surface and the casting defect which consist of dendritic phase and pore. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 79(807), 1620-1631, 2013

    J-STAGE 

  • Influence of Mean Stress and Stress Variation on Fatigue Strength of Stainless Cast Steel SCS5 for Hydraulic Turbine Runner  [in Japanese]

    HAYASHI Yoshiichirou , 曙 紘之 , 加藤 昌彦 , 菅田 淳

    … In this study, in order to clarify the fatigue properties and fracture mechanism of stainless cast steel SCS5 cut out from the hydraulic turbine runner vane for about 22 years, fatigue tests under constant amplitude with positive mean stress and variable amplitude loading were carried out by using tension-compression specimens. … curves of aged SCS5 used in this study have wide scatter. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 79(799), 214-224, 2013

    J-STAGE 

  • Method for Improving Power Quality in Distribution System by Static Capacitors based on Power Line Loss  [in Japanese]

    UEJIMA Hiroaki , NARUSE Taichi , AOKI Mutsumi , UKAI Hiroyuki , KOBAYASHI Hiroshi

    … Second, since almost of residential PVs are connected to the distribution lines by single-phase, voltage imbalance is occurred by imbalance current of PVs. … On the other hand, in Japan, almost high voltage consumers set up Static capacitors (SCs) to improve the power factor at their receiving points. …

    IEEJ Transactions on Power and Energy 132(3), 226-234, 2012-03-01

    J-STAGE  References (13)

  • Effect of Surface Damage by Cavitation Erosion on Fatigue Strength of Stainless Cast Steel SCS5 for Hydraulic Turbine Runner  [in Japanese]

    HAYASHI Yoshiichirou , AKEBONO Hiroyuki , KATO Masahiko , SUGETA Atsushi

    … In this study, tension-compression and bending fatigue tests were carried out for the stainless cast steel SCS5 cut out from the hydraulic turbine runner vane used for 22 years, in order to clarify fatigue properties and fracture mechanism of SCS5 with cavitation eroded surface. … curve of aged SCS5 used in this study has wide scatter and fatigue strength of the specimen with cavitation eroded surface was lower than the specimen data cut out from vane inside. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 78(792), 1146-1156, 2012

    J-STAGE 

  • Effect of Casting Defects on Fatigue Strength of Stainless Cast Steel SCS6 for Hydraulic Turbine Runner

    HAYASHI Yoshiichirou , AKEBONO Hiroyuki , KATO Masahiko , SUGETA Atsushi

    … In this study, tension-compression and bending fatigue tests were carried out for the stainless cast steel cut out from the turbine runner crown, in order to clarify fatigue properties and mechanism of fractures on stainless cast steel SCS6 used as hydraulic turbine runner aged 27 years. … curve of aged SCS6 used in this study has wide scatter and the tension-compression fatigue strength was lower than bending test data. …

    TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 77(778), 947-955, 2011

    J-STAGE 

  • Multi-model Projection of Global Warming Impact on Tropical Cyclone Genesis Frequency over the Western North Pacific

    YOKOI Satoru , TAKAYABU Yukari N.

    … WNP) projected by five atmosphere-ocean coupled general circulation models that participate in the World Climate Research Programme's Coupled Model Intercomparison Project phase 3 (CMIP3), and exhibit high performances in simulating horizontal distribution of annual-mean frequency under the current climate condition. … SCS). … Over the SCS, projected environmental conditions are diagnosed as more favorable for TC genesis than the current ones, in spite of the decrease projection of the frequency. …

    Journal of the Meteorological Society of Japan. Ser. II 87(3), 525-538, 2009-06-25

    J-STAGE  NDL Digital Collections  References (40) Cited by (2)

  • Effects of disorder on a lattice Ginzburg-Landau model of d-wave superconductors and superfluids

    Tomonori Shimizu , Shunsuke Doi , Ikuo Ichinose , Tetsuo Matsui

    … We study the effects of quenched disorder on the two-dimensional d-wave superconductors SCs at zero temperature by Monte Carlo simulations. … The model is defined on the three-dimensional 3D lattice and the SC pair field is put on each spatial link as motivated in the resonating-valence-bond theory of the high-Tc SCs. … For the nonrandom case, the model exhibits a second-order phase transition to a SC state as density of charge carriers is increased. …

    PHYSICAL REVIEW B 79(9), 092508-1-092508-4, 2009-03-31

    IR 

  • Method for Improving Imbalance of Voltage on Distribution System by Using Static Capacitors  [in Japanese]

    KOBAYASHI Hiroshi , YAMADA Shohei , AOKI Mutsumi , UKAI Hiroyuki

    … In this paper authors propose the method that these SCs in consumers are controlled in order to decrease the imbalance of voltage on distribution line. … By the proposed method, single phase SCs are installed and the amounts of these SCs are decided in cooperation with several consumers that the proposed method is installed. …

    IEEJ Transactions on Power and Energy 129(1), 75-82, 2009-01-01

    J-STAGE  References (9) Cited by (1)

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