Aikawa, A., Kioka, A., Nakagawa, M. & Anzai, S. Nanobubbles as corrosion inhibitor in acidic geothermal fluid. Geothermics 89, 101962, doi:10.1016/j.geothermics.2020.101962 (in press).
Kioka, A. Geological Occurrence and Morphological Feature of Submarine Mud Volcanoes: A brief review. J. Geol. Soc. Jpn. 126(1), 17-28 (2020).
Matsumoto, M., Itoi, R. & Fujimitsu, Y. Numerical Study on Conditions for Generation of Periodic Wellbore Flows. Proceedings of the 45th Workshop on Geothermal Reservoir Engineering, SGP-TR-216 (2020).
McHugh, C. M., Seeber, L., Rasbury, T., Strasser, M., Kioka, A., Kanamatsu, T., Ikehara, K. & Usami, K. Isotopic and Sedimentary Signature of Megathrust Ruptures Along the Japan Subduction Margin. Marine Geology, in press (2020).
Schwestermann, T., Huang, J., Konzett, J., Kioka, A., Wefer, G., Ikehara, K., Moernaut, J., Eglinton, T. I. & Strasser, M. Multivariate statistical and multi-proxy constraints on earthquake-triggered sediment remobilization processes in the central Japan Trench. Geochem. Geophys. Geosyst. 21(6), e2019GC008861 (2020).
Usami, K., Ikehara, K., Kanamatsu, T., Kioka, A., Schwestermann, T. & Strasser, M. The link between upper-slope submarine landslides and mass transport deposits in the hadal trenches. World Landslide Forum - WLF5 (Springer), accepted (2020).
Alam, B. Y. C. S. S. S., Itoi, R., Taguchi, S., Saibi, H. & Yamashiro, R. Hydrogeochemical and isotope characterization of geothermal waters from the Cidanau geothermal field, West Java, Indonesia. Geothermics 78, 62-69 (2019).
Ashat, A., Pratama, H. B. & Itoi, R. Updating conceptual model of Ciwidey-Patuha geothermal using dynamic numerical model. IOP Conference Series: Earth and Environmental Science 254, 012010 (2019).
Ashat, A., Pratama, H. B. & Itoi, R. Comparison of resource assessment methods with numerical reservoir model between heat stored and experimental design: case study Ciwidey-Patuha geothermal field. IOP Conference Series: Earth and Environmental Science 254, 012011 (2019).
Farabi-Asl, H., Chapman, A., Itaoka, K., Jalilinasrabady, S., Kato, E. & Kurosawa, A. Low-carbon power generation from geothermal resources in Japan, a techno-economic analysis by TIMES-Japan framework. Proceedings of the 5th International Conference on Polygeneration (2019).
Jalilinasrabady, S. Sustainable Development Challenges in Geothermal and Petroleum. Proceedings of the 81st EAGE Conference and Exhibition 2019, 1-6 (2019).
Khademian, Z., Kim, E. & Nakagawa, M. Simulation of lunar soil with irregularly shaped, crushable grains: Effects of grain shapes on the mechanical behaviors. Journal ofGeophysical Research: Planets 124, 1157-1176 (2019).
Kioka, A., Schwestermann, T., Moernaut, J., Ikehara, K., Kanamatsu, T., Eglinton, T. I. & Strasser, M. Event stratigraphy in a hadal oceanic trench: The Japan Trench as sedimentary archive recording recurrent giant subduction zone earthquakes and their role in organic carbon export to the deep sea. Frontiers in Earth Science 7, 319 (2019).
Nakagawa, M. Trust in sustainable natural resource development. Nature Human Behaviour 3, 542 (2019).
Noorollahi, Y., Ghasemi, G., Kowsary, F., Roumi, S. & Jalilinasrabady, S. Modelling of heat supply for natural gas pressure reduction station using geothermal energy. International Journal of Sustainable Energy 38, 773-793 (2019).
Seyedrahimi-Niaraq, F., Ardejani, F. D., Noorollahi, Y., Porkhial, S., Itoi, R. & Jalili Nasrabadi, S. A three-dimensional numerical model to simulate Iranian NW Sabalan geothermal system. Geothermics 77, 42-61 (2019).
Ashat, A., Saptadji, N. M., Prabata, W., Pratama, H. B. & Itoi, R. Grid block remodeling of Ciwidey-Patuha geothermal numerical simulation. Proceedings of Grand Renewable Energy (2018).
Ayadi, R., Trabelsi, R., Zouari, K., Saibi, H., Itoi, R. & Khanfir, H. Hydrogeological and hydrochemical investigation of groundwater using environmental isotopes (18O, 2H, 3H, 14C) and chemical tracers: a case study of the intermediate aquifer, Sfax, southeastern Tunisia. Hydrogeology Journal 26, 983-1007 (2018).
Farabi-Asl, H., Chapman, A., Itaoka, K., Jalilinasrabady, S. & Mohammadzadeh Bina, S. CO2 Emission Reduction of Ground Source Heat Pump System in Cold Climate of Japan. Proceedings of Grand Renewable Energy (2018).
Fukuda, D., Kuwano, T. & Itoi, R. Estimation of the steam fraction of injected water at the Matsukawa vapor-dominated geothermal field using two-component, two-phase tracers. Geothermics 71, 167-177 (2018).
Mohammadzadeh Bina, S., Jalilinasrabady, S. & Fujii, H. Exergoeconomic analysis and optimization of single and double flash cycles for Sabalan geothermal power plant. Geothermics 72, 74-82 (2018).
Mohammadzadeh Bina, S., Jalilinasrabady, S., Fujii, H. & Farabi-Asl, H. A comprehensive approach for wind power plant potential assessment, application to northwestern Iran. Energy 164, 344-358 (2018).
Mohammadzadeh Bina, S., Jalilinasrabady, S., Fujii, H. & Pambudi, N. A. Classification of geothermal resources in Indonesia by applying exergy concept. Renewable and Sustainable Energy Reviews 93, 499-506 (2018).
Pambudi, N. A., Itoi, R., Jalilinasrabady, S. & G?rt?rk, M. Sustainability of geothermal power plant combined with thermodynamic and silica scaling model. Geothermics 71, 108-117 (2018).
山村 慶佑, 糸井 龍一, 田中 俊昭, 岩崎 隆一 (Yamamura, K., Itoi, R., Tanaka, T. & Iwasaki, R.). 地熱坑井内非定常気液二相流動シミュレーションプログラムの開発と不安定流動現象の数値解析 (Development of Simulation Code of Unsteady State Steam-Water Two-Phase Flow in Geothermal Wellbores and Numerical Analysis of Unstable Discharge Phenomenon). 日本地熱学会誌 (Journal of the Geothermal Research Society of Japan) 40(1), 17-31 (2018).
浅井 寛明, 糸井 龍一, 藤井 光 (Asai, H., Itoi, R. & Fujii, H.). 坑井内での注水や揚水を伴う地中熱交換システムに関する数値シミュレーション (Numerical Simulation of Ground Heat Exchange System with Water Injection or Pumping). 日本地熱学会誌 (Journal of the Geothermal Research Society of Japan) 39, 39-48 (2017).
Khasani, Jalilinasrabady, S., Fujii, H. & Itoi, R. Numerical study on the effects of wellhead restriction modes on the transient behaviors of a geothermal well deliverability applicable for short period of measurement. Geothermics 69, 34-44 (2017).
Khasani, Jalilinasrabady, S., Tanaka, T., Fujii, H. & Itoi, R. The study on transient behaviors of two-phase flow in a geothermal production well for a short period of continuous measurement. Experimental Thermal and Fluid Science 84, 10-17 (2017).
Mohammadzadeh Bina, S., Jalilinasrabady, S. & Fujii, H. Thermo-economic evaluation of various bottoming ORCs for geothermal power plant, determination of optimum cycle for Sabalan power plant exhaust. Geothermics 70, 181-191 (2017).
Mohammadzadeh Bina, S., Jalilinasrabady, S. & Fujii, H. Thermo-economic evaluation and optimization of a regenerative orc cycle utilizing geothermal energy. Geothermal Resources Council Transactions 41 (2017).
Mohammadzadeh Bina, S., Jalilinasrabady, S. & Fujii, H. Energy, economic and environmental (3E) aspects of internal heat exchanger for ORC geothermal power plants. Energy 140, 1096-1106 (2017).
Noorollahi, T., Itoi, R., Yousefi, H., Mohammadi, M. & Farhadi, A. Modeling for diversifying electricity supply by maximizing renewable energy use in Ebino city southern Japan. Sustainable Cities and Society 34, 371-384 (2017).
髙山 純一, 田中 俊昭, 糸井 龍一 (Takayama, J., Tanaka, T. & Itoi, R.). トレーサー試験による大霧地区地熱貯留層の水理構造特性評価 (Evaluation of hydrological feature of reservoir in the Ogiri geothermal field by tracer test). 日本地熱学会誌 (Journal of the Geothermal Research Society of Japan) 39, 129-140 (2017).
Ayadi, R., Zouari, K., Saibi, H., Trabelsi, R. Khanfir, H. & Itoi, R. Determination of the origins and recharge rates of the Sfax aquifer system (southeastern Tunisia) using isotope tracers. Environmental Earth Sciences 75, 636 (2016).
藤井 光, 小助川 洋幸, ファラビ ハディ, ジャリリ ナスラバディ サイード (Fujii, H., Kosukegawa, H., Farabi, H. & Jalilinasrabady, S.). サーマルレスポンス試験の非充填型熱交換井への適用に関する実験的検討 (Experimental study on the applicability of ungrouted ground heat exchangers on thermal response tests). 日本地熱学会誌 (Journal of the Geothermal Research Society of Japan) 38, 43-51 (2016).
Jalilinasrabady, S., Itoi, R., Uchihori, N. & Okamura, Y. Energy and Exergy Analysis of Geothermal Steam Binary Power Generation. Geothermal Resources Council Transactions 40 (2016).
Mohammadzadeh Bina, S., Jalilinasrabady, S. & Fujii, H. Exergetic sensitivity analysis of orc geothermal power plant considering ambient temperature. Geothermal Resources Council Transactions 40 (2016).
Masahiro TAKAKI, Ryuichi ITOI Toshiaki TANAKA
Laboratory experiment of tracer test in the two-dimensional heterogeneous porous medium
Stanford Geothermal Workshop 2015 Proceedings, Vol. 40, pp. 289-296, January 2015
Christi Fina LINGKAN, Ryuichi ITOI, Toshiaki TANAKA, Jatmiko Prio ATMOJO
Characterization of Fluid Flow System between Injection and Production Wells by Tritium Tracer Test Analysis
Proc. Stanford Geothermal Workshop 2015, Vol. 40, pp. 240-248, January 2015
Yohei TATEISHI, Ryuichi ITOI, Toshiaki TANAKA, Junichi TAKAYAMA
Development of the Natural-State Model of the Geothermal Reservoir at Ogiri, JAPAN using iTOUGH2
Proc. Stanford Geothermal Workshop 2015, Vol. 40, pp. 72-79, January 2015
Nugroho Agung PAMBUDI, Ryuichi ITOI, Saeid JALILINASRABADY, Khasani
Performance improvement of a single flash geothermal power plant in Dieng, Indonesia, upon conversion to a double-flash system using thermodynamic analysis
Renewable Energy, Vol.80, pp.424-431, March 2015
Nugroho Agung PAMBUDI, Ryuichi ITOI, Rie YAMASHIRO, Boy Yoseph CSS, Loren TUSARA, Saeid JALILINASRABADY, Khasani
The behavior of silica in geothermal brine from Dieng geothermal power plant, Indonesia
Geothermics, Vol.54, pp.109-114, March 2015
Agung HARIJOKO, Kinanti HAPSARI, Rissa PRADESKI, Yunarto Tri WIBOWO, Ryuichi ITOI
The Sulfide Minerals Deposit in the Geothermal Pipes of Dieng Geothermal Field, Indonesia
Proc. World Geothermal Congress 2015, April 2015
Nugroho Agung PAMBUDI, Ryuichi ITOI, Saeid Jalilinasrabady, Puji SIRAIT, Khasani
Performance Improvement of Single-Flash Geothermal Power Plant Applying Three cases Development Scenario Using Thermodynamic Methods
,Proc. World Geothermal Congress 2015, April 2015
Tomohiro YAMASHITA, Ryuichi ITOI, Toshiaki Tanaka, Masahiro TAKAKI
Effects of Feed Point Configuration of Wells on Tracer Material Movement in Vertical Two Dimensional Porous Media
,Proc. World Geothermal Congress 2015, CD-ROM, April 2015
Shunichi HIRAYAMA, Ryuichi ITOI, Toshiaki Tanaka, Junichi TAKAYAMA
Reservoir Simulation for Reinjected Water Return in Produced Fluid of Wells at Ogiri Geothermal Field, Japan
Proc. World Geothermal Congress 2015, CD-ROM, April 2015
高木将光, 田中俊昭, 糸井龍一, 山下知洋,
垂直二次元多孔質層を用いたトレーサー試験による貯留層内の還元流体の挙動に関する実験的研究,
日本地熱学会誌, 第37巻, 第3号(2015) 75～83頁
Tusara Loren Montefalcon, Ryuichi ITOI, Rie YAMASHIRO, Daisuke FUKUDA, Yoshitaka KAWAHARA,
Effects of Suspended Material and Solution pH on Solid Deposition in Porous Media
Journal of Geothermal Research Society Japan,37,4,143-152, September 2015
Hiroaki ASAI, Ryuichi ITOI, Hikari FUJII
Numerical Modeling of Heat Exchange Well with Water Injection and Pumping
International Symposium on Earth Science and Technology 2015, pp. 394-397, December 2015
Toshihiro NAKAMURA, Toshiaki TANAKA, Ryuichi ITOI, Masato WATANABE, Daisuke FUKUDA, Kazuto MATSUMOTO
Estimation of Hydrological Structure in the Kakkonda Geothermal Field using Tracer Test Results
International Symposium on Earth Science and Technology 2015, pp. 388-393, December 2015
Boy Yoseph CSS SYAH ALAM, Ryuichi ITOI, Sachihiro TAGUCHI, and Rie YAMASHIRO
Hydrogeochemical Characterization and the Origin of Hot Springs in the Cidanau
Geothermal Field, West Java, Indonesia
Proceedings of Stanford Geothermal Workshop 2014, pp.733-740, February 2014
Loren TUSARA, Ryuichi ITOI, Daisuke FUKUDA, and Yoshitaka KAWAHARA
Change in Permeability of Porous Medium in Silica Scaling Experiment Under Different pH and Suspended Particle Concentration
Proceedings of Stanford Geothermal Workshop 2014, pp.797-802, February 2014
Haruhiro INAGAKI, Ryuichi ITOI, Naoto KUMAGAI, Takaichi IWASAKI
Numerical Simulation on Fluctuation in Wellhead Pressure of Geothermal Well
Proceedings of Stanford Geothermal Workshop 2014, pp.291-299, February 2014
Yohei INOUE, Ryuichi ITOI, Naokatsu CHOU, Hiroaki OKUBO, Hikari FUJII
Enhancement of Heat Exchange Capacity of Ground Heat Exchangers by Injecting Water
Into Wells
Proceedings of Stanford Geothermal Workshop 2014, pp.1042-1050, February 2014
Nugroho Agung PAMBUDI, Ryuichi ITOI, Saeid JALILINASRABADY, Khasani JAELANI
Exergy analysis and optimization of Dieng single-flash geothermal power plant
Energy Conversion and Management, Vol. 78, pp. 405-411, February 2014
Loren TUSARA, Ryuichi ITOI,
Characterization of solid deposits formed in geothermal surface facilities,
Evergreen Journal, Vol. 1, Issue 1, pp. 6-13, March 2014
Nugroho Agung PAMBUDI, Ryuichi ITOI, Saeid JALILINASRABADY, Khasani JAELANI,
Exergy analysis and optimization of Dieng single-flash geothermal power plant,
Energy Conversion and Management, Vol. 78, pp. 405-411, February 2014
Yohei INOUE, Ryuichi ITOI, Naokatsu CHOU, Hiroaki OKUBO, Hikari FUJII,
Enhancement of Heat Exchange Capacity of Ground Heat Exchangers by Injecting Water Into Wells,
Proceedings of Stanford Geothermal Workshop 2014, pp.1042-1050, February 2014
Haruhiro INAGAKI, Ryuichi ITOI, Naoto KUMAGAI, Takaichi IWASAKI,
Numerical Simulation on Fluctuation in Wellhead Pressure of Geothermal Well,
Proceedings of Stanford Geothermal Workshop 2014, pp.291-299, February 2014
Loren TUSARA, Ryuichi ITOI, Daisuke FUKUDA, and Yoshitaka KAWAHARA,
Change in Permeability of Porous Medium in Silica Scaling Experiment Under Different pH and Suspended Particle Concentration ,
Proceedings of Stanford Geothermal Workshop 2014, pp.797-802, February 2014
Boy Yoseph CSS SYAH ALAM, Ryuichi ITOI, Sachihiro TAGUCHI, and Rie YAMASHIRO,
Hydrogeochemical Characterization and the Origin of Hot Springs in the Cidanau Geothermal Field, West Java, Indonesia ,
Proceedings of Stanford Geothermal Workshop 2014, pp.733-740, February 2014
Yohei INOUE, Ryuichi ITOI, Naokatsu CHOU, Hiroaki Okubo, Hikari FUJII,
Effect of Injecting Water into the Well on Heat Exchange Rates in Vertical Ground Heat Exchangers,
Proceedings of International Symposium on Earth Science and Technology 2013, pp.262-267, December 2013
Nugroho Agung PAMBUDI, Ryuichi ITOI, Saeid JALILINASRABADY, Khasani JAELANI,
Second law assessment of proposed combined binary power generation in Dieng Geothermal power plant,
International Symposium on Earth Science and Technology 2013, pp. 252-261, December 2013
Loren TUSARA, Ryuichi ITOI, Yoshitaka KAWAHARA, Daisuke FUKUDA,Osamu KATO,
Codeposition of silica with suspended particles in porous media,
International Symposium on Earth Science and Technology 2013, pp.77-82, December 2013
Saeid JALILINASRABADY, Ryuichi ITOI,
Classification of geothermal energy resources in Japan applying exergy concept,
International Journal of Energy Research, Vol.37, Issue 14, pp.1842-1850, November 2013
Yoshihito KOMANIWA, Hikari FUJII, Takahiro MAEHARA, Naokatsu CHOU,
Evaluation of Enhanced Heat Exchange Performance of Vertical Ground Heat Exchangers with Water Injection,
Journal of the Geothermal Research Society of Japan, Vol. 35, No. 4, pp. 137-148, October 2013
Daisuke FUKUDA, Takashi KUWANO, Ryuichi ITOI,
Two-Phase Tracer Tests Using Alcohols at the Matsukawa Vapor-Dominated Geothermal Reservoir: Evaluation of Responses to Water Injection and Prediction of Production Interference,
Journal of the Geothermal Research Society of Japan, Vol. 35, No. 2, pp. 69-81, October 2013
Takeshi HINO, Ryuichi ITOI, Toshiaki TANAKA, Nugroho Agung PAMBUDI, Khasani JAELANI,
Natural state model of Dieng geothermal field, Central Java, Indonesia,
Geothermal Resources Council Transactions, Vol.37, pp.831-836, October 2013
Ryuichi ITOI, Yasunari KATAYAMA, Toshiaki TANAKA, Naoto KUMGAI, Takaichi IWASAKI,
Numerical Simulation of Instability of Geothermal Production Well,
Geothermal Resources Council Transactions, Vol.37, pp.837-842, October 2013
Yohei TATEISHI, Ryuichi ITOI, Toshiaki TANAKA, Junichi TAKAYAMA, Naoto HIRAGA,
Numerical simulation of devolution and evolution of steam-water two-phase zone in a fractured geothermal reservoir at Ogiri, JAPAN,
Geothermal Resources Council Transactions, Vol.37, pp.915-920, October 2013
Masahiro TAKAKI, Ryuichi ITOI, Toshiaki TANAKA, Takumi MARUO,
Laboratory experiment of tracer test in the vertical two-dimensional porous media with newly developed tracer sensors,
Geothermal Resources Council Transactions, Vol.37, pp.337-340, October 2013
Saeid JALILINASRABADY, Ryuichi ITOI, Yuji OHYA,
Hybrid geothermal and wind power generation,
Geothermal Resources Council Transactions, Vol.37, pp.727-732, October 2013
Fujii, H., Yamasaki, S., Maehara, T., Ishikami, T., Chou, N.,Numerical simulation and sensitivity study of double-layer Slinky-coil horizontal ground heat exchangers,Geothermics,1,2013.08.
Saeid JALILINASRABADY, Halldor PALSSON, Gudrun SAEVARSDOTTIR, Ryuichi ITOI, Pall VALDIMARSSON,
Experimental and CFD simulation of heat efficiency improvement in geothermal spas,
Energy, Vol.56, pp.124-134, July 2013
Hikari FUJII, Shohei YAMASAKI, Takahiro MAEHARA, Takashi ISHIKAMI, Naokatsu CHOU,
Numerical simulation and sensitivity study of double-layer Slinky-coil horizontal ground heat exchangers,
Geothermics, Vol.47, pp.61-68, July 2013
Fujii, H., Yamasaki, S., Maehara, T.,Numerical modeling of Slinky-coil horizontal heat exchangers considering snow coverage effects,Proc. Stanford Geothermal Workshop 2013,1378-1383,2013.02.
Masayo KAKUMOTO, Jun YONEDA, Kuniyuki MIYAZAKI, Norio TENMA, Kazuo AOKI, Ryuichi ITOI,
Basic Study on the Frictional Strength between the Casing and Cement in a Methane Hydrate Production well - Basic Study of Well Stability for Methane Hydrate Development -,
Journal of MMIJ, Vol.129, No.4, pp.116-123, January 2013
藤井 光・駒庭義人・井岡聖一郎・渡部敦史・井上陽平,垂直型地中熱交換井における地下水のクロスフローが熱交換量に及ぼす影響の評価,日本地熱学会誌,34,4,2012.10.
Fujii, H., Yamasaki, S., Maehara,Numerical modeling and sensitivity study of Slinky-coil ground heat exchangers,Proceedings of FEFLOW User Conference,2012.09.
Saeid Jalilinasrabady, Ryuichi Itoi, Pall Valdimarsson, Gudrun Saevarsdottir, Hikari Fujii,Flash cycle optimization of Sabalan geothermal power plant employing exergy concept ,Geothermics,43,75-82,2011.06.
Nguyen Kim Phuong, Agung Harijoko, Ryuichi ITOI, Yamashiro Unoki,Water geochemistry and soil gas survey at Ungaran geothermal field, central Java, Indonesia,Journal of Volcanology and Geothermal Research,229-230,23-33,2012.05.
Fujii, H., Maehara, T., Komaniwa, Y., Chou, N., Ishikami, T.,Field Tests and Numerical Modeling of Double-layered Straight Horizontal Ground Heat exchangers ,Proceedings of InnoStock 2012,2012.05.
Boy Yoseph CSS Syah ALAM, Ryuichi ITOI, HENDARMAWAN,Geological Setting and Groundwater Characteristics for Identifying Recharge Area in Mt. Karang, West Java , Indonesia,Proc. International Symposium on Earth Science and Technology 2011,2011.12.
Seiji YAMASHITA, Ryuichi ITOI and Toshiaki TANAKA,A Three Dimensional Numerical Modeling of the Ogiri Geothermal System using TOUGH2 and iTOUGH2,Proc. International Symposium on Earth Science and Technology 2011,2011.12.
Moriaki IWASAKI, Ryuichi ITOI and Toshiaki TANAKA,Analysis of Tracer Flow in a Two-dimensional Porous Media,Proc. International Symposium on Earth Science and Technology 2011,2011.12.
Loren TUSARA, Ryuichi ITOI, Yoshitaka KAWAHARA, Daisuke FUKUDA,Numerical Simulation of Silica Deposition in a Geothermal Pipeline,Proc. International Symposium on Earth Science and Technology 2011,2011.12.
Daisuke Fukuda, Masahiro Sarudate, Ryuichi Itoi,Development and Application of Two-phase Tracer Testing at the Matsukawa Vapor-dominated Geothermal Reservoir,Proc. International Symposium on Earth Science and Technology 2011,2011.12.
藤井 光・駒庭義人・石上 孝・長 直勝・大島和夫・谷口聡子,2層構造を導入した直管式及びSlinky-coil式水平型地中熱交換器のフィールド試験,日本地熱学会誌,34,1,37-46,2012.01
Fujii, H., Nishi, K., Komaniwa, Y., Chou, N.,Numerical modeling of Slinky-coil horizontal ground heat exchangers,Geothermics,40,2011.12.
Fujii, H., Komaniwa, Y., Nomoto, T., Chou, N.,Reduction of thermal resistance of ground heat exchangers using large grain size materials,Geothermal Resources Council Transactions,35,2011.10.
藤井 光，野本卓也，大島和夫，石上 孝，谷口聡子，山口雅登,垂直型地中熱交換井における地下水揚水による熱交換量増進の評価,日本地熱学会誌,33,2,67-76,2011.05.
藤井 光，駒庭義人，糸井龍一，野口俊郎，野本卓也，小助川洋幸,Slinky-coil式水平型地中熱交換器のフィールド試験,日本地熱学会誌,32,4,219-228,2010.10.
水永秀樹，黒木敬悟，田中俊昭,F-Kマイグレーションを用いた地中レーダの三次元可視化,文化財と探査,2010.05.
水永秀樹，田中俊昭，牛島恵輔，宮本一夫，辻田淳一郎,九州大学伊都キャンパスの前方後円墳探査,文化財と探査,2010.05.
Toshiaki Tanaka , Ryuichi Itoi ,Development of Numerical Modeling Environment for TOUGH2 Simulator on the Basis of Graphical User Interface (GUI),World Geothermal Congress 2010,CD,2010.04.
Ryuichi Itoi, Yurie Kumamoto, Toshiaki Tanaka ,unichi Takayama,History Matching Simulation of the Ogiri Geothermal Field, Japan,World Geothermal Congress 2010,25-29,2010.04.
Fujii, H., Okubo, H., Cho, N., and Ohyama, K.,Field tests of horizontal ground heat exchangers,Proc. WGC2010,2010.04.
Noorollahi, Y., Itoi, R., Fujii, H., Tanaka, T.,Production Capacity Estimation by Reservoir Simulation of Northwest Sabalan Geothermal Field, Iran,Proc. WGC2010,2010.04.
Jalilinasrabady, S., Itoi, R., Fujii, H., Tanaka, T.,Energy and Exergy Analysis of Sabalan Geothermal Power Plant, Iran,Proc. WGC2010,2010.04.
Jalilinasrabady, S., Itoi, R., Fujii, H., Tanaka, T.,Cascade Uses of Geothermal Energy in Sabalan - Iran,Proc. WGC2010,2010.04.
藤井光,駒庭義人,山口雅登,長 直勝,非充填U字管型熱交換井におけるサーマルレスポンス試験解析,日本地熱学会誌,2010.01.
Fujii, H., Okubo, H., Nishi, K., Itoi, R. Ohyama, K. and Shibata, K.,An improved thermal response test for U-tube ground heat exchanger based on optical fiber thermometers,Geothermics,2009.12.
Hossein Yousefi, Younes Noorollahi, Sachio Ehara, Ryuichi Itoi, Amin Yousefi, Yasuhiro Fujimitsu, Jun Nishijima, Kyuro Sasaki,Developing the geothermal resources map of Iran,Geothermics,2009.12.
Development of Numerical Model of Takigami Geothermal Reservoir, Oita, Japan, incorporated with wellbore flow simulation
Shoichiro HOZUMI, Ryuichi ITOI, Toshiaki TANAKA, Hiroki GOTOH
Proceedings of International Symposium on Earth Science and Technology 2009, pp.573-578, December 2009
History Matching of Production Performance in a Water-soluble Natural Gas Field, Japan
Yoshitake KATO, Hikari FUJII, Ryuichi ITOI, Shinichi Mitsuda
Proceedings of International Symposium on Earth Science and Technology 2009, pp.129-134, December 2009
Comparison of Geothermal and Fuel-fired Heating Systems in Sabalan, Iran
Saeid JALILINASRABADY, Ryuichi ITOI, Hikari FUJII, and Toshiaki TANAKA
Proceedings of International Symposium on Earth Science and Technology 2009, pp.309-314, December 2009
Possibility for Cost Reduction of Geothermal Heat Pump System by Improving Heat Transfer Characteristics of Buildings
Yoshihito KOMANIWA, Hikari FUJII, Naokatsu CHOU, Hiroaki OKUBO
Proceedings of International Symposium on Earth Science and Technology 2009, pp.321-326, December 2009
Numerical Modeling of Horizontal Ground Heat Exchangers
Keita NISHI, Hikari FUJII, Hiroaki OKUBO, Takafumi KARIYA, Naokatsu CHOU
Proceedings of International Symposium on Earth Science and Technology 2009, pp.327-332, December 2009
Exploitation Modeling and Reservoir Performance Prediction for the Ogiri Geothermal System in Japan
Yurie KUMAMOTO, Ryuichi ITOI, Toshiaki TANAKA and Junichi TAKAYAMA
Proceedings of International Symposium on Earth Science and Technology 2009, pp.315-320, December 2009
An Improved Thermal Response Test for U-tube Ground Heat Exchanger Based on Optical Fiber Thermometers
Hikari FUJII, Hiroaki OKUBO, Keita NISHI, Ryuichi ITOI, Kunio OHYAMA and Kazuo SHIBATA
Geothermics Vol.38, No.3, pp.399-406, December 2009
History Matching and Prediction Simulations of Ogiri Geothermal Field, Kyushu, Japan
Yurie KUMAMOTO, Ryuichi ITOI, Toshiaki TANAKA and Junichi TAKAYAMA
Proceedings 31st New Zealand Geothermal Workshop, Online, November 2009
Optimization of the Sabalan Geothermal Power Plant, Iran, using Exergy Concept
Saeid JALILINASRABADY, Ryuichi ITOI, Hikari FUJII, Toshiaki TANAKA
Proceedings 31st New Zealand Geothermal Workshop, Online, November 2009
Magmatic Fluid Input to the Kuju-Iwoyama Hydrothermal System Prior to the 1995 Eruption of the Kuju Volcano(Kyushu, Japan)
Itsuro KITA, Tatsuji KAI, Ryuichi ITOI, Makiko ISHIDA, Akira UEDA
Geothermics, 38, 3, pp.294-302, September 2009
Application of Optical Fiber Thermometers in Thermal Response Tests for Detailed Geological Descriptions
Hikari FUJII, Hiroaki OKUBO, Masaki Chono, Masakatsu SASADA, Shinji TAKASUGI, and Masayuki TAKENO
Proceedings of EFFSTOCK2009, Paper No.21, June 2009
Interpretation of a Thermal Response Test Using Fiber Optic Distributed Temperature Sensing Method
Shim BYOUNG OHAN, Song YOON HO, Hikari FUJII and Hiroaki OKUBO
Proceedings of EFFSTOCK2009, Paper No.155, June 2009
Field Tests of Horizontal Ground Heat Exchangers Using Coil-like Tube
Hiroaki OKUBO, Hikari FUJII, Ryuichi ITOI, Keita NISHI, Kunio OHYAMA and Naokatsu CHOUProceedings of 2nd International Symposium of Novel Carbon Resource Science, VI-10-VI-16, March 2009
Energy and Exergy Analysis of Single Flash Geothermal Power Plant, Sabalan, Iran
Saeid JALILINASRABADY, Ryuichi ITOI, Hikari FUJII, and Toshiaki TANAKA
Proceedings of 2nd International Symposium of Novel Carbon Resource Science, VI-37-VI-46, March 2009
実油田シミュレーションモデル上でのニューラルネットワークを用いた原油生産計画の最適設計
藤井光,白井寛人,土井学,須貝圭一朗
石油技術協会誌Vol.74, No.2, pp.175-184，2009年3月
Analysis of Neutralization Reaction in a Geothermal Well
Naoyuki AKAZAWA and Ryuichi ITOI
Proceedings of Stanford Geothermal Workshop 2009, CD
Modeling and Numerical Analysis of the Two-phase Geothermal Reservoir at Ogiri, Kyushu, Japan
Yurie KUMAMOTO, Ryuichi ITOI, Toshiaki TANAKA and Yukio HAZAMA
Proceedings of Stanford Geothermal Workshop 2009, CD
Laboratory Experiment and Numerical Modeling of Co-axial Heat Exchanger
同軸型地中熱交換器の室内モデル実験および数値モデリング
Hiroaki OKUBO, Hikari FUJII and Ryuichi ITOI
大久保博晃,藤井光,糸井龍一
Journal of the Geothermal Research Society of Japan, Vol.31, No.1, pp.51-62, January 2009
日本地熱学会誌Vol.31, No.1, pp.51-62，2009年1月
Prediction of Long-term Performance of Ground Source Heat Pump in Greenhouses
Hiroaki OKUBO, Hikari FUJII, Ryuichi ITOI, Masaki CHONO, Kunio OHYAMA, Chou Naokatsu and Shigeaki Narita
Proceedings of International Symposium on Earth Science and Technology 2008, pp.99-106, 2008
Interpretation of Continuous Measurement of Steam and Water Flow Rates at a Production Well 2H-21, Hatchobaru Geothermal Field, Japan
Khasani, Toshiaki TANAKA and Ryuichi ITOI
Proceedings of the 30th New Zealand Geothermal Wokrkshop, pp.222-227, 2008
基礎杭を利用した地中熱利用冷暖房融雪システムのシュミレーションモデル構築と地中熱交換量の検討
石上孝，藤井光，糸井龍一
日本地熱学会-誌，第30巻，第4号，pp.271-280，2008
Application of Ground Source Heat Pumps for Air-conditioning of Greenhouses
Hikari FUJII, Kunio OHYAMA, Hiroaki OKUBO and Ryuichi ITOI
Proceedings of Renewable Energy 2008, CD, 2008
Interpretation of Thermal Response Test Using Temperature Profiles in Ground Heat Exchangers
Hiroaki OKUBO, Hikari FUJII and Ryuichi ITOI
Proceedings of Renewable Energy 2008, CD, 2008
Numerical Modeling of Forced Heat Rejection Test Considering Groundwater Flow Effects
Keita NISHI, Hikari FUJII, Takashi ISHIKAMI and Kazuhiro FUJIWARA
Proceedings of Renewable Energy 2008, CD
Development of a Numerical Modeling for a Borehole Heat Exchanger System Using Long-term Modeling Data
Shim BYOUNG OHAN, Hikari FUJII and Song YOON HO
Proceedings of Renewable Energy 2008, CD
Numerical Modeling of the Ogiri Geothermal System, Kyushu, Japan
Yurie KUMAMOTO, Ryuichi ITOI, Horne ROLAND and Yukio HAZAMA
Transaction of Geothermal Resources Council, Vol.32, pp.449-458, 2008
Source and Release Mechanism of Arsenic in Aquifers of the Mekong Delta, Vietnam
Nguyen KIM PHUOUNG and Ryuichi ITOI
Jounel of Contaminant Hydrology 103, pp.58-69, 2008
坑井間の圧力干渉を考慮したプラントパラメータモデルの貯留層管理への適用
矢原哲也，清田由美，糸井龍一，竹嶋信幸
日本地熱学会誌，第30巻，第2号，pp.131-144，2008
GIS Integration Model for Geothermal Exploration and Well Siting
Noorollahi, Y., Itoi, R., Fujii, H. and Tanaka, T.
Geothermics, Vol.34 (No.2, 107-131) (2008)
メタンハイドレート層における深部地球熱を用いた熱刺激法の評価
藤井光,和崎祐介,糸井龍一
日本エネルギー学会誌 Vol.87, No.3, 199-207,2008
Evaluation of air-conditioning system with ground source heat pump in a
greenhouse for agricultual use Okubo, H., Fujii, H., Itoi, R., Ohyama,
K. and Narita, S. Proc. 5th Int. Workshop on Earth Science & Technology,
Kyushu Univ., 263-372, 2007
Develpoment oh thermal stimulation method using deep geothermal heat source
Wasaki, Y., Fujii, H. and Itoi, R. Proc. 5th Int. Workshop on Earth Science
& Technology, Kyushu Univ., 255-262, 2007
Development of suitability maps for ground-coupled heat pump systems using groundwater and heat transport modeling,
Fujii, H., Inatomi, T., Itoi, R. and Uchida, Y.
Geothermics, Vol.36, No.5, 459-472, 2007
Interpretation of Thermal Response Tests in the Presence of Groundwater Flow, Geothermal Fujii, H., Okubo, H. and Itoi, R.
Resources Council Transactions, Vol.31, 465-470, 2007
GIS Model for Geothermal Resources Exploration in Akita and Iwate Prefecture,
northern Japan. Noorollahi, Y., Itoi, R., Fujii, H. and Tanaka, T. Computer
& Geosciences, Vol.33, No.8, 1008-1021, 2007
Numerical modeling of the Momotombo Geothermal System, Nicaragua
Porras, E., Tanaka, T., Fujii, H. and Itoi, R.
Geothermics, Vol.36, No.4. 304-329, 2007
地中熱利用冷暖房融雪システムにおける垂直型Ｕ字管熱交換井の運転実績評価
石上孝,藤井光,糸井龍一
日本地熱学会誌Vol.29,No.2, 91-102, 2007
GIS Model for Geothermal Resources Exploration (GM-GRE) in Sabalan Geothermal
Area Northwestern Iran Noorollahi, Y., Itoi, R., Fujii, H. and Tanaka,
T. Proc. 4th Int. Workshop on Earth Science & Technology, Kyushu Univ.,
407-421, 2006
Gas production from methane hydrate deposites by thermal stimulation using
geothermal heat source and depressurization Fujii, H., Wasaki, Y. and Ioti,
R. Proc. 4th Int. Workshop on Earth Science & Technology, Kyushu Univ.,
357-366, 2006
History Matching of Long-term Performance of a GeoHP system in Shirakami
Mountains Ishikami, T., Fujii, H., Kinoshita, M. and Itoi, R. Proc. 4th
Int. Workshop on Earth Sience & Technology, Kyushu Univ., 109-116,
2006
筑紫平野における水質，酸素・水素安定同位体比および地下温度の分布特性
内田洋平,稲富忠将,藤井光
日本水文科学会誌Vol.36, No.4, 197-204, 2006
The Momotowbo Geothermal System and its Conceptual Model
Porras,E.A,and R.Itoi
GRC trans Vol30, 2006.9
Thermal response tests using optical fiber thermometers
Fujii, H., Okubo, H., and Itoi, R.
Geothermal Resources Council Transactions, Vol.30, 545-551, 2006
Experimental study on thermal resistance of vertical ground heat exchangers
Okubo, H., Fujii, H. and Itoi, R.
Geothermal Resources Council Transactions, Vol.30, 559-563, 2006.9
History matching and performance prediction of a geothermal heat pump system under influence of groundwater flow
Taniguchi, S., Fujii, H., Itoi, R. and Ishikami, T.
Geothermal Resources Council Transactions, Vol.30, 571-576, 2006.9
講座「地中熱利用ヒートポンプシステム」温度応答試験の実施と解析
藤井光(2006.4)
日本地熱学会誌Vol.28,No.2, 245-257, 2006.4
不均質地層におけるU字管型熱交換井の温度挙動解析
藤井光,大久保博晃,糸井龍一,小助川洋幸
日本地熱学会誌Vol.28,No.2, 199-210, 2006.4
観測井の少ない地域における浅層地下温度構造の推定 －秋田平野の例－
内田洋平・丸山あゆみ・池田香菜子・藤井光・安彦宏人
日本水文科学会誌、Vol.35, No.4, 191-203, 2005.12
Energy Supply Plan Using an Abandoned Deep Well in Horonobe, Hokkaido,
Japan Hiroaki OKUBO, Hikari FUJII, Jun MITSUHASHI and Yoji ISHIJIMA Proc.
of Int. Workshop on Earth Sci. & Tech., Kyushu Univ., 259-266, 2005.12
Application of Gis in Exploration Management and Well Site Selection of
Namafjall Geothermal Area, North Iceland Younes NOOROLLAHI Proc. of Int.
Workshop on Earth Sci. & Tech., Kyushu Univ., 223-240, 2005.12
Numerical Simulation of Ground Heat Exchanger on an Abandoned Deep Well
Using AUTOUGH2 Sandy Kurniawan SUHARDJA, Ryuichi ITOI and Fujii HIKARI
Proc. of Int. Workshop on Earth Sci. & Tech., Kyushu Univ.,105-112,
2005.12
Hydrothermal System of the Ungaran Geothermal Area, Indonesia Inferred
from Geochemical Nguyen Kim PHUONG, Heru HENDRAYANA, Agung HARIJOKO, Ryuichi
ITOI and Rie UNOKI Study, Proc. of Int. Workshop on Earth Sci. & Tech.,
Kyushu Univ.,19-28, 2005.12
八丁原30号蒸気井(H-30)の噴出力の変動機構
矢原哲也、齋藤博樹、糸井龍一、本山達也
日本地熱学会誌、Vol.27,No.4,pp.321-336, 2005.10
複数流路モデルを用いた葛根田地熱地域におけるトレーサー試験結果の解析
田中俊昭・古志真一・モリーナ パトリシア・糸井龍一・梶原竜哉
日本地熱学会誌、Vol.27,No.4,pp.293-305, 2005.10
不均質地層における同軸型熱交換井の温度挙動解析
藤井光・大久保博晃・中尾利豊・糸井龍一
日本地熱学会誌、Vol.27,No.3, 223-232, 2005.7
Optimum design of large-scale ground-coupled heat pump systems using groundwater and heat transport modeling
Fujii, H., Itoi, R., Fujii, J. and Uchida, Y.
Geothermics, Vol.35, pp.347-364, 2005.6
Sustainable Management of Rose Growing in Greenhouse Heated by Geothermal Water at Kuju, Japan,
Itoi, R., Watanabe, M. and Tokimatsu, H
Proc. World Geothermal Congress 2005, 2005.4
Development of Energy Supply Systems Using Abandoned Deep Wells
Fujii, H., Akibayashi, S. and Itoi, R.
Proc. World Geothermal Congress 2005, CD 1-5, 2005.4
Effects of Volcanic Gases on Rain Water and Soil Chemistries at Kuju, Japan
Unoki, R. and Itoi, R.
Proc. World Geothermal Congress 2005, CD1-5, 2005.4
Numerical Analysis of Transient Behaviors of Geothermal Well Deliverability
Khasani, Itoi, R., and Fujii, H.
Proc. World Geothermal Congress 2005, CD 1-6, 2005.4
Numerical Modeling of the Momotombo Geothermal Reservoir, Nicaragua
Porras, E., Tanaka, T. Fujii, H. and Itoi, R.
Proc. World Geothermal Congress 2005, CD 1-16, 2005.4
Analysis and interpretation of Naphthalene Disulfonate Tracer Tests at the Mahanagdong geothermal field, Philippines
Molina, P. O., Tanaka, T., Itoi, R., Siega, F.L. and Ogena M.S.
Proc. World Geothermal Congress 2005, 2005.4
Predictions of reservoir performances for different scenarios at Momotombo geothermal field, Nicaragua
Porras, E., Itoi, R., Fujii, H. and Tanaka, T.
Proc. 26th Annual PNOC-EDC Conference
マルチフィードに対応した坑井シミュレータMULFEWSの開発と八丁原フィールドデータ解析への適用
鴇田洋行・糸井龍一・濱田雄史・千手隆徳
日本地熱学会誌、27、1、11-26, 2005.1
田中 俊昭・坂口 理枝・福岡 晃一郎・藤井 光・吉田 哲雄(2005),地中熱利用ヒートポンプシステムのための地下水電気探査,物理探査学会学術講演会講演論文集,113,307-310
Effects of CO2 Gas in Geothermal Water on Well Characteristics Khasani,
Miyazaki, E. and Itoi, R. Proc. of Int. Workshop on Earth Sci. & Tech.,
Kyushu Univ., 105-112, 2004.12
Three Dimensional Reservoir Simulation of the Momotonbo Geothermal Field,
Nicaragua Porras, E., Itoi, R., Fujii, H. and Tanaka, T. Proc. of Int.
Workshop on Earth Sci. & Tech., Kyushu Univ., 143-150, 2004.12
北米における非在来型天然ガスの最適供給割合の予測
寺崎太二郎・藤井光
日本エネルギー学会誌、83、916-923, 2004.11
Numerical Simulation of Large-Scale GCHP Systems in the Presence of Groundwater Flow
Fujii, H., Itoi, R. Fujii, J. Uchida, Y. and Ishikami, T.
Geothermal Resources Council Transactions, 28, 79-84, 2004.9
Improvements on Analytical Modeling for Vertical U-tube Ground Heat Exchangers
Fujii, H., Itoi, R. and Ishikami, T.
Geothermal Resources Council Transactions, 28, 73-77, 2004.9
Analysis and Interpretation of NDS Tracer Test Results at the Mahanagdong Geothermal Field, Philippines
Molina, P., Tanaka, T., Itoi, R. Siega, F. and Ogena, M.
Proc. of 25th Annual PNOC-EDC Geothermal Conference, 171-179, 2004.5
大地結合ヒートポンプシステムを用いた融雪システムの設計に関する実験的および数値的検討
藤井光・石上孝・大島和夫･金子泰
日本地熱学会誌、26(1)、39-57, 2004.1
Characterization of geothermal fluid flows at Sumikawa geothermal area, Japan, using two types of tracers and an improved multi-path model
KUMAGAI Naoto ・ TANAKA Toshiaki ・ KITAO Koji
Geothermics,33,3,257-275,Pergamon・ Elsevier Ltd, 2004
流体流動電位法による大沼地熱地帯の貯留層モニタリング
水永 秀樹・青野 哲雄・田中 俊昭・佐々木 純一・牛島 恵輔
日本地熱学会誌,26,3,251-271,2004
複数流路モデルを用いたトレーサー解析における亀裂の広がりの影響
吉田拓・田中俊昭・糸井龍一
九大地熱・火山研究報告、12号、49-55, 2003.12
A Numerical Study on the Effects of Initial Water Saturation of a Geothermal Reservoir on Well Characteristics
KHASANI ・ ITOI Ryuichi ・ TANAKA Toshiaki ・ FUKUDA Michihiro
Memoirs of the Faculty of Engineering, Kyushu University,64,1,1-15,Faculty of Engineering, Kyushu University, 2004
Soil Air Gas and Gamma-ray Surveys at Unzen Volcano, Japan
Unoki, R., Itoi, R., Fukuoka, K., Fujimitsu, Y. and Ehara, S.
Proc. of the 25th New Zealand Geothermal Workshop, 137-141, 2003.11
Interference Test Analysis at Momotombo Geothermal Field, Nicaragua Porras,
E., Itoi, R. and Tanaka, T. Proc. of Int. Workshop on Earth Sci. &
Tech., Kyushu Univ., 155-161, 2003.11
Analysis of Production Characteristics of Well MT-27 Affected by Scale
Deposition in Wellbore at Momotombo Geothermal Field, Nicaragua Khasani,
Porras, E. and Itoi, R. Proc. of Int. Workshop on Earth Sci. & Tech.,
Kyushu Univ., 149-154, 2003.11
Lumped Parameter Model Analysis for Estimating Fractions of Reinjected Water Return to Produced Fluid at Sumikawa, Japan,
Itoi, R., Matsuzaki, R., Tanaka, T. and Kamei, J.
Geothermal Resources Council Trans., 27, 387-391, 2003.10
Chemical Characteristics of Rainwater at Motooka, Fukuoka
Unoki, R. and Itoi, R.
Memoirs of the Faculty of Engineering, Kyushu University, 63, 151-160, 2003.9
大地結合ヒートポンプシステム熱交換井におけるグラウト材の熱特性改善
藤井光・石上孝・大島和夫
資源と素材、119(6＆7)、403-409, 2003.7
透水係数の分布が不均質な多孔質媒体中に適用する場合の粒子移動法の改良
藤井淳一・糸井龍一・田中俊昭
九大地熱・火山研究報告、11号、106-112. 2002.12
九重火山の噴気地帯周辺の雨水の化学特性とHCｌガス放出量の経年変化
後藤卓哉・宇野木理恵・田中俊昭・糸井龍一
九大地熱・火山研究報告、11号、113-120, 2002.12
滝上地熱地域における還元熱水の混入率の推定
松崎亮・糸井龍一・田中俊昭・後藤弘樹
九大地熱・火山研究報告、11号、121-128, 2002.12
An Analysis of pressure drops in wellbore , under low flow rate conditions, shown on a deliverability curve
Khasani, Itoi, R., Tanaka, T. and Fukuda, M.
Proc. of the 24th New Zealand Geothermal Workshop, 115-120, 2002.11
Environmental Effects of Volcanic Gases on a Regional Rainwater Chemistry at Kuju, Japan
Itoi, R., Unoki, R., Gotoh, T. and Tanaka, T.
Proc. of the 24th New Zealand Geothermal Workshop, 5-9, 2002.11
大地結合ヒートポンプシステムにおける熱交換井の評価 －熱交換井内の地下水然対流の影響－
藤井光・秋林智・大島和夫
日本地熱学会誌、24(4)、329-338, 2002.10
Parameter Estimating by Use of Sequential Least Squares Method in Geothermal Reservoir Engineering,
Itoi, R. and Tanaka, T.
Proc. of Special Workshop on Earth Science and Technology, 1-8, 2002.9
Interpretation of Thermal Response Tests in Shallow Deposits
Fujii, H., Akibayashi, S. and Ohshima, K.
Geothermal Resources Council Trans., 26, 143-148, 2002.9
地下水流れの存在する大地結合型ヒートポンプシステムにおける熱交換井仕上げおよび坑井配置の検討
藤井光
日本地熱学会誌、24(2)、191-205, 2002.4
Application of Sequential Least Squares Method for Estimating Fraction of Reinjected Water Return to Produced Fluid in Water Dominated Geothermal Reservoir
Itoi, R., Tanaka, T. and Fukuda, M.
Proc.of International Workshop on Intelligent Mining Systems, 41-46, 2002.4
大地結合ヒートポンプシステム熱交換井における温度応答試験解析
藤井光・秋林智
資源と素材、118(2)、75-80, 2002.2
大地結合ヒートポンプシステムにおける熱交換井設計についての最適化手法の検討
藤井光
日本地熱学会誌、24(1)、29-46, 2002.1
トレーサー試験データ解析に用いる適切な初期値の推定法
金丸貴彦・田中俊昭・糸井龍一・福田道博
九大地熱・火山研究報告、10号、135-141, 2001.12
坑井モデルを用いた地熱生産井の流体生産能力の評価
桧垣憲・カサニ・田中俊昭・糸井龍一・福田道博
九大地熱・火山研究報告、10号、142-148, 2001.12
地熱坑井内の気液二相流動解析に及ぼす坑管の相対粗度とボイド率の影響
松浦真太郎・カサニ・田中俊昭・糸井龍一・福田道博
九大地熱・火山研究報告、10号、149-157, 2001.12
ボーリング孔を過ぎる地下水流れに関する数値解析および可視化実験 －坑内に円筒障害物が存在する場合－
藤井光・秋林智・佐々木久郎・小助川洋幸
地下水学会誌、43(4)、pp.313‐325, 2001.11
傾斜坑井デザインにおける生産システムの最適化
藤井光
石油技術協会誌、66(5)、529-539, 2001.9