Detailed Information

Research Field/Keywords for Research Field

• Naval architecture and ocean engineering, Fluid machinery

Research Topics and Results

• Research on Capture Performance of an Induction Type Microplastics Recovery Device 2023/05
• Research on a Counter-Rotating Tidal Power Unit with Winglets at Rear Propeller 2022/11
• Effects of Air Chamber and Curtain Wall Geometries on Energy Conversion Performance in a Fixed Oscillating Water Column-Type Wave Energy Converter 2022/05
• Numerical Investigation on Flow Collector with Guide Vane for Tidal Energy Conversion 2022/05
• Bidirectional Impulse Turbine With Spiral Flow Collector for Tidal Energy Conversion 2021/10
• Bi-directional impulse turbine with spiral flow collector for tidal energy conversion 2020/11
• 旋回集流装置と衝動タービンを用いた潮流発電システムの研究 2020/09
• Experimental Investigation on a Fixed Oscillating Water Column with an Impulse Turbine for Wave Energy Conversion 2020/05
• Experimental Investigation on Bi-Directiona Impulse Turbine with Flow Collector for Tidal Energy Conversion 2019/11
• Acoustic Noise Measurement in Counter-Rotating Propellers 2019/07
• Primary and Secondary Conversion Efficiencies of a Fixed Oscillating Water Column-Type Wave Energy Converter with Generator 2018/09
• Scale Effect and Undersea Noise of Counter-Rotating Propellers Installed in Tidal Stream Power Unit 2018/07
• Undersea Noise and Scale Effect of Counter-rotating Propellers in Tidal Stream 2018/06
• Experimental Research on Performances of Air Turbines for a Fixed Oscillating Water Column-Type Wave Energy Converter 2017/09
• Experimental Research on Efficiency in a Fixed Oscillating Water Column-Type Wave Energy Converter with Generator 2017/05
• Energy Conversion Efficiency of an Impulse Turbine in a Fixed Oscillating Water Column 2016/09
• Experimental Research on Primary and Secondary Conversion Efficiencies in an Oscillating Water Column-Type Wave Energy Converter 2016/08
• Primary and Secondary Conversion Efficiencies of Fixed Oscillating Water Column Type Wave Energy Converter 2015/09
• Bi-directional Impulse Turbine and Diffuser for Tidal Energy Conversion 2015/09
• Experimental Study on Load Characteristics in a Floating Type Pendulum Wave Energy Converter 2014/09
• Effect of Load on Primary Conversion Efficiency of a Floating Type Pendulum Wave Energy Converter 2014/07
• Numerical Flow Simulation in Turbine Mode of Counter- Rotating Type Pumping Unit to Cooperate with Wind Turbine 2013/09
• Counter-Rotating Type Pump-Turbine Unit Cooperating with Wind Power Unit 2013/02
• Counter-Rotating Type Pump-Turbine Unit Cooperating with Wind Turbine to Stabilize Instantaneously Power Supply (Simulations in Hydroelectric Work) 2012/11
• Counter-Rotating Type Pump-Turbine Unit in Collaboration with Wind Power Unit (Effect of Blade Number on Hydraulic Performance) 2012/10
• Numerical Simulation in Turbine Mode of Counter-Rotating Type Axial Flow Pump (Preparation of Pump-Turbine Unit in Cooperation with Wind Power Unit) 2012/07
• Turbine Mode of Counter-Rotating Type Axial Flow Pump for Power Grid System 2012/03
• Pumping Mode of Counter-Rotating Type Hydroelectric Unit for Power Grid System 2011/10
• Unsteady Flow Analysis of Interaction between Jet-Wake Flow and Blades of Low Solidity Cascade Diffuser in a Centrifugal Blower 2011/06
• Analysis of Secondary Flow Behavior in Low Solidity Cascade Diffuser of a Centrifugal Blower 2010/06
• Noise Characteristics of Centrifugal Blower with Low Solidity Cascade Diffuser (Noise Reduction by means of Small Groove Located at LSD Blade Leading Tip) 2009/12
• Effect of Radial Location of Low Solidity Circular Cascade on Noise and Diffuser Performance in a Centrifugal Blower 2007/10
• Improvements in Aerodynamic Performance and Noise due to Low Solidity Cascade Diffuser in a Centrifugal Blower 2007/07

Original Articles

• Design Method for a Bidirectional Ducted Tidal Turbine Based on Conventional Turbomachinery Methods;　2023/06
  ANNOUNCEMENT INFO.;　Advances in Mechanical Engineering, 15, 6, 1-11
  AUTHOR;　
  
• Research on Capture Performance of an Induction Type Microplastics Recovery Device;　2023/05
  ANNOUNCEMENT INFO.;　Open Journal of Fluid Dynamics, 13, 2, 81-91
  AUTHOR;　T. Murakami, W. Tsuru
  
• Numerical Analysis on Bi-Directional Impulse Turbine with Spiral Flow Collector for Tidal Power System;　2022/12
  ANNOUNCEMENT INFO.;　, 50, 12, 705-715
  AUTHOR;　M. Sakaguchi, Y. Kinoue, K. Hirayama, W. Tsuru, T. Murakami, N. Shiomi, Y. Imai, S. Nagata and M. Takao
  
• Research on a Counter-Rotating Tidal Power Unit with Winglets at Rear Propeller;　2022/11
  ANNOUNCEMENT INFO.;　, 50, 11, 689-699
  AUTHOR;　T. Murakami, W. Tsuru, P. Liu and T. Kanemoto
  
• Effects of Air Chamber and Curtain Wall Geometries on Energy Conversion Performance in a Fixed Oscillating Water Column-Type Wave Energy Converter;　2022/05
  ANNOUNCEMENT INFO.;　Journal of Physics: Conference Series, 2217, 012069
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata and M. Takao
  
• Numerical Investigation on Flow Collector with Guide Vane for Tidal Energy Conversion;　2022/05
  ANNOUNCEMENT INFO.;　Journal of Physics: Conference Series, 2217, 012071
  AUTHOR;　M. Sakaguchi, K. Hirayama, Y. Kinoue, T. Murakami, N. Shiomi, Y. Imai, S. Nagata and M. Takao
  
• Bidirectional Impulse Turbine With Spiral Flow Collector for Tidal Energy Conversion;　2021/10
  ANNOUNCEMENT INFO.;　Journal of Fluids Engineering, 143, 12, 121112-1
  AUTHOR;　M. Sakaguchi, K. Kinoue, K. Hirayama, T. Murakami, N. Shiomi, Y. Imai, S. Nagata, M. Takao
  
• Experimental Investigation on a Fixed Oscillating Water Column with an Impulse Turbine for Wave Energy Conversion;　2020/05
  ANNOUNCEMENT INFO.;　Journal of Energy and Power Engineering, 14, 1, 16-25
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata and M. Takao
  
• Experimental Investigation on Bi-Directiona Impulse Turbine with Flow Collector for Tidal Energy Conversion;　2019/11
  ANNOUNCEMENT INFO.;　International Journal of Fluid Machinery and Systems, 12, 4, 244-250
  AUTHOR;　Y. Kinoue, M. Sakaguchi, T. Murakami, Y. Imai, S. Nagata, N. Shiomi, M. Takao
  
• Acoustic Noise Measurement in Counter-Rotating Propellers;　2019/07
  ANNOUNCEMENT INFO.;　Journal of Mechanical Science and Technology, 33, 7, 3187-3192
  AUTHOR;　P. Liu, F. Odo, T. Murakami, T. Kanemoto
  
• Improvement of Sinusoidal Pitch for Vertical-Axis Hydrokinetic Turbines and Influence of Rotational Inertia;　2019/05
  ANNOUNCEMENT INFO.;　Ocean Engineering, 179, 273-284
  AUTHOR;　B. Chen, S. Nagata, T. Murakami, D. Ning
  
• Effect of Hub-to-Tip Ratio on the Performance of Bi-directional Impulse Turbine with Flow Collector for Tidal Energy Conversion;　2019/04
  ANNOUNCEMENT INFO.;　IOP Conf. Series: Earth and Environmental Science, 240, 052010, 1-9
  AUTHOR;　Y. Kinoue, N. Shiomi, M. Takao, T. Murakami, Y. Imai, S. Nagata
  
• A Numerical Study on Performance Improvement of Counter-Rotating Type Tidal Stream Power Unit;　2019/03
  ANNOUNCEMENT INFO.;　IOP Conf. Series: Earth and Environmental Science, 240, 052013, 1-5
  AUTHOR;　H. Jung, T. Kanemoto, P. Liu, T. Murakami
  
• Scale Effect and Undersea Noise of Counter-Rotating Propellers Installed in Tidal Stream Power Unit;　2018/07
  ANNOUNCEMENT INFO.;　IOP Conf. Series: Earth and Environmental Science, 163, 012043, 1-6
  AUTHOR;　P. Liu, H. Jung, T. Murakami, T. Kanemoto
  
• Experimental Research on Performances of Air Turbines for a Fixed Oscillating Water Column-Type Wave Energy Converter;　2017/09
  ANNOUNCEMENT INFO.;　International Journal of Advanced Engineering Research and Science, 4, 9, 40-47
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, M. Takao, T. Setoguchi
  
• Experimental Research on Primary and Secondary Conversion Efficiencies in an Oscillating Water Column-Type Wave Energy Converter;　2016/08
  ANNOUNCEMENT INFO.;　Sustainability, 8, 756, 1-11
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, M. Takao, T. Setoguchi
  
• Numerical Analysis of Primary Conversion Efficiency of Oscillating Water Columns with Multiple Chamber;　2015/06
  ANNOUNCEMENT INFO.;　Procedia Engineering, 105, 586-600
  AUTHOR;　P. Koirala, S. Nagata, Y. Imai, T. Murakami, T. Setoguchi
  
• A Numerical Study on Multi-Chamber Oscillating Water Columns;　2015/05
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, 3, 93-104
  AUTHOR;　P. Koirala, S. Nagata, Y. Imai, T. Murakami, T. Setoguchi
  
• Experimental Study on Load Characteristics in a Floating Type Pendulum Wave Energy Converter;　2014/09
  ANNOUNCEMENT INFO.;　Journal of Thermal Science, 23, 5, 465-471
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata
  
• Numerical Flow Simulation in Turbine Mode of Counter- Rotating Type Pumping Unit to Cooperate with Wind Turbine;　2013/09
  ANNOUNCEMENT INFO.;　Journal of Energy and Power Engineering, 7, 9, 1770-1777
  AUTHOR;　T. Murakami, T. Kanemoto, G. Takano, R. Kasahara
  
• Counter-Rotating Type Pump-Turbine Unit Cooperating with Wind Power Unit;　2013/02
  ANNOUNCEMENT INFO.;　Journal of Thermal Science, 22, 1, 7-12
  AUTHOR;　T. Murakami and T. Kanemoto
  
• Noise Characteristics of Centrifugal Blower with Low Solidity Cascade Diffuser (Noise Reduction by means of Small Groove Located at LSD Blade Leading Tip);　2009/12
  ANNOUNCEMENT INFO.;　Journal of Thermal Science, 18, 4, 321-324
  AUTHOR;　T. Murakami, M. Ishida, D. Sakaguchi and Y. Koba
  

General Lectures

• Bidirectional Collector and Turbine System for Tidal Energy Conversion;　2023/07
  ANNOUNCEMENT INFO.;　ASME-JSME-KSME Joint Fluids Engineering Conference 2023, 1-08-2-04
  AUTHOR;　Y. Kinoue, W. Tsuru, T. Murakami, M. Sakaguchi, N. Shiomi, M. Takao
  
• Proposal of Design Method for Large Tidal Current Turbine Incorporating Cavitation Occurrence;　2022/11
  ANNOUNCEMENT INFO.;　9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022), 4072
  AUTHOR;　W. Tsuru, M. Sakaguchi, T. Murakami, N. Shiomi and Y. Kinoue
  
• Numerical Analysis on Bi-Directional Impulse Turbine and Spiral Flow Collector for Tidal Energy Conversion (Effect of Vane Skew Angle);　2022/11
  ANNOUNCEMENT INFO.;　9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022), 4056
  AUTHOR;　M. Sakaguchi, Y. Kinoue, W. Tsuru, T. Murakami, N. Shiomi, Y. Imai, S. Nagata and M. Takao
  
• Bi-directional impulse turbine with spiral flow collector for tidal energy conversion;　2020/11
  ANNOUNCEMENT INFO.;　18th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery
  AUTHOR;　M. Sakaguchi, Y. Kinoue, T. Murakami, N. Shiomi, Y. Imai, S. Nagata and M. Takao
  
• 旋回集流装置と衝動タービンを用いた潮流発電システムの研究;　2020/09
  ANNOUNCEMENT INFO.;　一般社団法人ターボ機械協会　第84回（長崎）講演会
  AUTHOR;　
  
• Primary and Secondary Conversion Efficiencies of a Fixed Oscillating Water Column-Type Wave Energy Converter with Generator;　2018/09
  ANNOUNCEMENT INFO.;　Conference on Modelling Fluid Flow (CMFF'18)
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, M. Takao, T. Setoguchi, T. Kanemoto
  
• Application of Vortex Method to Performance Analysis of Wave Energy Converter: Vorticity Creation Method from the Boundary;　2018/09
  ANNOUNCEMENT INFO.;　Proceedings of AWTEC2018, AWTEC2018-434
  AUTHOR;　S. Nagata, Y. Imai, T. Murakami, S. Okubo, Y. Okamoto
  
• Undersea Noise and Scale Effect of Counter-rotating Propellers in Tidal Stream;　2018/06
  ANNOUNCEMENT INFO.;　Proceedings of the Twenty-eighth (2018) International Ocean and Polar Engineering Conference, 803-807
  AUTHOR;　P. Liu, H. Jung, T. Murakami, T. Kanemoto, M. Inagaki
  
• Experimental Research on Efficiency in a Fixed Oscillating Water Column-Type Wave Energy Converter with Generator;　2017/05
  ANNOUNCEMENT INFO.;　Proceedings of 13th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, M. Takao, T. Setoguchi
  
• Performance Analysis of a Floating OWC-Type Wave Energy Converter by Vortex Method;　2016/10
  ANNOUNCEMENT INFO.;　Proceedings of the 3rd Asian Wave & Tidal Energy Conference, 667-676
  AUTHOR;　S. Okubo, S. Nagata, Y. Imai, T. Murakami, T. Setoguchi
  
• Energy Conversion Efficiency of an Impulse Turbine in a Fixed Oscillating Water Column;　2016/09
  ANNOUNCEMENT INFO.;　Proceedings of 6th Asian Joint Workshop on Thermophysics and Fluid Science
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, M. Takao, T. Setoguchi
  
• Primary and Secondary Conversion Efficiencies of Fixed Oscillating Water Column Type Wave Energy Converter;　2015/09
  ANNOUNCEMENT INFO.;　The 13th Asian International Conference on Fluid Machinery, 1-8
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, M. Takao, T. Setoguchi
  
• Bi-directional Impulse Turbine and Diffuser for Tidal Energy Conversion;　2015/09
  ANNOUNCEMENT INFO.;　The 13th Asian International Conference on Fluid Machinery, 1-7
  AUTHOR;　Y. Kinoue, N. Shiomi, M. Mamun, M. Takao, S. Nagata, Y. Imai, T. Murakami, Y. Tsugami, M. Fujii
  
• A Numerical Study of the Efficiency of OWC Wave Energy Converters;　2015/09
  ANNOUNCEMENT INFO.;　The 13th Asian International Conference on Fluid Machinery, 1-4
  AUTHOR;　Y. Imai, T. Murakami, S. Nagata, M. Takao, T. Setoguchi, R. Sakanaka
  
• Experimental Study of the Generating Efficiency of a Fixed Oscillating Water Column Type Wave Energy Converter;　2015/06
  ANNOUNCEMENT INFO.;　Proceedings of the 25th ISOPE Conference, 1, 843-848
  AUTHOR;　Y. Imai, S. Nagata, T. Murakami, M. Takao, T. Setoguchi
  
• Effect of Load on Primary Conversion Efficiency of a Floating Type Pendulum Wave Energy Converter;　2014/07
  ANNOUNCEMENT INFO.;　Grand Renewable Energy 2014, O-Oc-10-6
  AUTHOR;　T. Murakami, Y. Imai, S. Nagata, K. Tsujimoto
  
• Frequency Domain Study on Multi-Chamber Oscillating Water Columns;　2014/07
  ANNOUNCEMENT INFO.;　Grand Renewable Energy 2014, O-Oc-9-5
  AUTHOR;　P. Koirara, S. Nagata, Y. Imai, T. Murakami, T. Setoguchi
  
• Counter-Rotating Type Pump-Turbine Unit Cooperating with Wind Turbine to Stabilize Instantaneously Power Supply (Simulations in Hydroelectric Work);　2012/11
  ANNOUNCEMENT INFO.;　Proceedings of 17th International Seminar on Hydropower Plants, 81-89
  AUTHOR;　K. Komaki, T. Murakami, T. Kanemoto, G. Takano, R. Kasahara
  
• Counter-Rotating Type Pump-Turbine Unit in Collaboration with Wind Power Unit (Effect of Blade Number on Hydraulic Performance);　2012/10
  ANNOUNCEMENT INFO.;　Proceedings of 5th International Symposium on Fluid Machinery and Fluids Engineering, REF-1181
  AUTHOR;　K. Komaki, T. Murakami, T. Kanemoto
  
• Counter-Rotating Type Axial Flow Pump Unit in Turbine Mode for Micro Grid System;　2012/08
  ANNOUNCEMENT INFO.;　Proceedings of the 26th IAHR Symposium on Hydraulic Machinery and Systems, IAHRXXVI-151
  AUTHOR;　R. Kasahara, G. Takano, T. Murakami, T. Kanemoto, K. Komaki
  
• Numerical Simulation in Turbine Mode of Counter-Rotating Type Axial Flow Pump (Preparation of Pump-Turbine Unit in Cooperation with Wind Power Unit);　2012/07
  ANNOUNCEMENT INFO.;　Proceedings of the ASME 2012 Fluids Engineering Summer Meeting FEDSM2012, FEDSM2012-72046
  AUTHOR;　T. Murakami, T. Kanemoto, G. Takano, R. Kasahara
  
• Turbine Mode of Counter-Rotating Type Axial Flow Pump for Power Grid System;　2012/03
  ANNOUNCEMENT INFO.;　Proceedings of the 8th KSME-JSME Thermal and Fluids Engineering Conference, GSF26-010
  AUTHOR;　T. Murakami, G. Takano, R. Kasahara, T. Kanemoto
  
• Counter-Rotating Type Power Unit Provided for Tidal Range (Toward Collaboration with the Wave Power Unit at the Offshore);　2011/12
  ANNOUNCEMENT INFO.;　Proceedings of the International Conference on Mechanical Engineering and Renewable Energy, ICMERE2011-PI-198
  AUTHOR;　S. Okamoto, T. Kanemoto, G. Takano, T. Suzuki, T. Murakami
  
• Pumping Mode of Counter-Rotating Type Hydroelectric Unit for Power Grid System;　2011/10
  ANNOUNCEMENT INFO.;　Proceedings of the 1st Annual Low Carbon Earth Summit, 735
  AUTHOR;　T. Murakami, G. Takano, R. Kasahara, T. Kanemoto
  
• Unsteady Flow Analysis of Interaction between Jet-Wake Flow and Blades of Low Solidity Cascade Diffuser in a Centrifugal Blower;　2011/06
  ANNOUNCEMENT INFO.;　Proceedings of ASME Turbo Expo 2011, GT2011-45475
  AUTHOR;　D. Sakaguchi, T. Murakami, H. Ueki, M. Ishida, H. Hayami
  
• Analysis of Secondary Flow Behavior in Low Solidity Cascade Diffuser of a Centrifugal Blower;　2010/06
  ANNOUNCEMENT INFO.;　Proceedings of ASME Turbo Expo 2010, GT2010-22861
  AUTHOR;　M. Ishida, T. Murakami, D. Sakaguchi, H. Ueki, H. Hayami, Y. Senoo
  
• Effect of Radial Location of Low Solidity Circular Cascade on Noise and Diffuser Performance in a Centrifugal Blower;　2007/10
  ANNOUNCEMENT INFO.;　Proceedings of the 9th Asian International Conference on Fluid Machinery, AICFM9-068
  AUTHOR;　D. Sakaguchi, M. Ishida, T. Murakami, H. Hayami, Y. Senoo, H. Ueki
  
• Improvements in Aerodynamic Performance and Noise due to Low Solidity Cascade Diffuser in a Centrifugal Blower;　2007/07
  ANNOUNCEMENT INFO.;　Proceedings of 5th Joint ASME/JSME Fluids Engineering Conference, FEDSM2007-37449
  AUTHOR;　D. Sakaguchi, M. Ishida, T. Murakami, H. Hayami, Y. Senoo, H. Ueki