占部 千由 (ウラベ チヨリ)

Mitigation of Short-Term Fluctuations in Wind Power Output in a Balancing Area on the Road Toward 100% Renewable Energy
Chiyori T. Urabe,Takashi Ikegami,Kazuhiko Ogimoto
IEEE ACCESS 10 111210-111220 2022年 The rapid growth of the share of variable renewable energy (VRE) may make it difficult to operate po...

Positive Correlations between Short-Term and Average Long-Term Fluctuations in Wind Power Output
Chiyori T. Urabe,Tetsuo Saitou,Kazuto Kataoka,Takashi Ikegami,Kazuhiko Ogimoto
ENERGIES 14(7) 2021年04月 Wind power has been increasingly deployed in the last decade to decarbonize the electricity sector. ...

同期機の運用容量による系統慣性の特性分析
荻本 和彦,岩船 由美子,占部 千由,東 仁,礒永 彰
エネルギー・資源学会論文誌 42(1) 30-37 2021年 The massive deployment of PV and wind, which provides decarbonized energy supply, bring about variou...

電力需給モデルの限界費用によるスポット市場価格分析
荻本 和彦,岩船 由美子,占部 千由,東 仁,礒永 彰
エネルギー・資源学会論文誌 42(4) 185-193 2021年 In Japan, the deregulation of the power sector and the on-going massive deployment of PV and wind ar...

2050年の電力需給における低炭素化の可能性
荻本 和彦,岩船 由美子,占部 千由,東 仁,黒沢 厚志
エネルギー・資源学会論文誌 42(4) 204-214 2021年 Efforts for de-carbonization has accelerated in Japan. As result, full scale power sector analyses r...

Comparing catch-up vaccination programs based on analysis of 2012-13 rubella outbreak in Kawasaki City, Japan
Chiyori T. Urabe,Gouhei Tanaka,Takahiro Oshima,Aya Maruyama,Takako Misaki,Nobuhiko Okabe,Kazuyuki Aihara
PLOS ONE 15(8) 2020年08月 During the 2012-13 rubella outbreak in Japan, local governments implemented subsidy programs for cat...

Regional photovoltaic power fluctuations within frequency regulation control time frames: A study with high-resolution data
Joao Gari da Silva Fonseca Junior,Yuki Nishitsuji,Yusuke Udagawa,Chiyori T. Urabe,Tetsuo Saito,Fumichika Uno,Hideaki Ohtake,Takashi Oozeki,Kazuhiko Ogimoto
PROGRESS IN PHOTOVOLTAICS 26(6) 402-413 2018年06月 The growth of renewable energy penetration on power grids is reaching high levels in many countries ...

Geographical smoothing effects on wind power output variation in Japan
T Enomoto,T Ikegami,C T Urabe,T Saitou,K K Ogimoto
International Journal of Smart Grid and Clean Energy 188-194 2018年

Numerical definitions of wind power output fluctuations for power system operations
Takashi Ikegami,Chiyori T. Urabe,Tetsuo Saitou,Kazuhiko Ogimoto
RENEWABLE ENERGY 115 6-15 2018年01月 Because of unpredictable fluctuations in wind power output caused by sudden changes in weather condi...

Parameter Scaling for Epidemic Size in a Spatial Epidemic Model with Mobile Individuals
Chiyori T. Urabe,Gouhei Tanaka,Kazuyuki Aihara,Masayasu Mimura
PLOS ONE 11(12) 2016年12月 In recent years, serious infectious diseases tend to transcend national borders and widely spread in...

Predicting the characteristics of the aetiological agent for Kawasaki disease from other paediatric infectious diseases in Japan – ERRATUM
Y. NAGAO,C. URABE,H. NAKAMURA,N. HATANO
Epidemiology and Infection 144(3) 493-493 2016年02月

Predicting the characteristics of the aetiological agent for Kawasaki disease from other paediatric infectious diseases in Japan
Y. NAGAO,C. URABE,H. NAKAMURA,N. HATANO
Epidemiology and Infection 144(3) 478-492 2016年02月 SUMMARYAlthough Kawasaki disease (KD), which was first reported in ...

Random and Targeted Interventions for Epidemic Control in Metapopulation Models
Gouhei Tanaka,Chiyori Urabe,Kazuyuki Aihara
SCIENTIFIC REPORTS 4 2014年07月 In general, different countries and communities respond to epidemics in accordance with their own co...

A LINK BETWEEN MICROSCOPIC AND MACROSCOPIC MODELS OF SELF-ORGANIZED AGGREGATION
Tadahisa Funaki,Hirofumi Izuhara,Masayasu Mimura,Chiyori Urabe
NETWORKS AND HETEROGENEOUS MEDIA 7(4) 705-740 2012年12月 In some species, one of the roles of pheromones is to influence aggregation behavior. We first propo...

Fracture toughness and maximum stress in a disordered lattice system
Chiyori Urabe,Shinji Takesue
PHYSICAL REVIEW E 82(1) 2010年07月 We model the disorder-induced increase in fracture strength by applying a two-dimensional elastic ne...

Fluctuation of the top location and avalanches in the formation process of a sandpile
Chiyori Urabe
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 76(9) 2007年09月 We investigate the formation processes of a sandpile using numerical simulation. We find a new relat...

砂山形成過程におけるゆらぎのダイナミクス
占部 千由
粉体工学会誌 43(8) 598-598 2006年

Dynamics of Fluctuation of the Top Location of a Sandpile
Urabe Chiyori
Journal of the Physical Society of Japan 74(9) 2475-2479 2005年09月 We investigate the fluctuation of the top location of a sandpile numerically using the two-dimension...