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| Career Summary |
1982: B.Sc., The University of Tokyo
1984: M.Sc., The University of Tokyo
1987: D.Eng., The University of Tokyo
1987-1991: Lecturer, The University of Tokyo
1988-1989: Visiting Research Associate, University of California, Berkeley
1991-2003: Associate Professor, The University of Tokyo
2003-2008: Professor, The University of Tokyo
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| Educational Activities |
Graduate School: Material and Structural Mechanics for Ocean Systems, Ocean Development Systems, Design of Environmentally Harmonizing Systems
Faculty of Engineering: Basic Project 2, Applied Project, Environment and Energy System Engineering
College of Arts and Sciences: Utilization of Oceans for a Sustainable Society, Discussion on Energy and Environmental Problems
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| Research Activities |
Renewable Energy Development (2003-present)
The potential of ocean renewable energy is very high. For example, the offshore wind energy available in the coastal areas of Japan has the capability to supply the countryfs whole electricity demand. The University of Tokyo is a leading institute in this field in Japan and is researching floating wind turbines (1). Ocean currents and tidal flow power generation are also being investigated.
Technology for Ocean Resources Utilization and Global Environment Protection (1984-present)
Development systems for under-the-seafloor methane hydrate, ocean sequestration of CO2, and biological fixation of CO2 are being investigated. Underwater line structures are commonly used for systems to access the seafloor and the depths of the ocean. These structures show anisotropic coupled responses that are axial and lateral. The vortex induced vibration analysis method for these structures is also being investigated (2). The research results have contributed to the development of a drilling riser system for CHIKYU and to deepwater oil development through cooperative research with foreign oil companies and universities.
Active Control of Elastic Ocean Structure (1987-present)
Facilities and structures for developing ocean resources and protecting the global environment are largely installed in the ocean remotely. An installation technique using active control of elastic response was developed. The elastic response and rigid body motion coupled response is controlled and suppressed to an allowable limit. Learning control has also been investigated to improve the control by taking into account disturbances experienced in the ocean (3).
Very Large Floating Structure for Ocean Space Utilization (1990-present)
A very large floating structure (VLFS) is for deploying airports, power plants, port facilities, and so forth on the ocean. A VLFS has a very thin structure and shows a significant hydro-elastic response. An efficient analysis method that can be used in its design has been developed and experimentally tested and verified. Design parameters that govern the response have been extracted and a design procedure proposed. The safety target of VLFSs is also being investigated (4,5).
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Literature
1) Suzuki, H., Ashida, T., Enomoto, K., Yago, K. and Duan, F.: gOptimization of SPAR Type Floating Wind Turbineh, Annual Journal of Civil Engineering in the Ocean, JSCE, Vol. 21, 2005, pp. 1047-1052.
2) Tejima, T., Suzuki, H. and Sato, T.: gTime Evolution of VIV Response of Towed Pipe Based on Hydrodynamic Force Chart Calculated by CFDh, J. of The Japan Institution of Marine Engineering, Vol. 41, No. 2, 2006, pp. 152-157.
3) Suzuki, H., Qi, T. and Watanabe, K.: gLearning Tracking Controller under Unknown Disturbances for the Installation of Rigid and Flexible Structuresh, J. of Marine Science and Technology, Vol. 4, No. 4, 1999, pp. 187-199.
4) Suzuki, H.: gOverview of Mega-float: Concept, Design Criteria and Analysis and Designh, J. of Marine Structure, Vol. 18, No. 2, 2005, pp. 111-132.
5) Suzuki, H.: gSafety Target of Very Large Floating Structure Used for Floating Airporth, J. of Marine Structure, Vol. 14, No. 1-2, 2001, pp. 103-113.
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| Other Activities |
Member of Japan Society of Naval Architects and Ocean Engineers, Japanese Association for Coastal Zone Studies, The Society of Instrument and Control Engineers, American Society of Mechanical Engineers, and International Society of Offshore and Polar Engineers
ASME OOAE Division Executive Committee member, Chairman of ISSC Specialist Task Committee VLFS, Associate Editor of Ocean Engineering Journal, Deputy Editor of Journal of Marine Science and Technology
Chairman of Ocean Engineering Committee of JASNAOE, Chairman of NGH Transportation Ship Development Project Committee of the Japan Ship Technology Research Association
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| Future Plan |
Establishing a sustainable society is a top-priority issue in the 21st century, but there are many problems. One is related to resources and the environment. The ocean can potentially contribute to solving the problems by providing renewable energy, biological resources, minerals, and hydrocarbons. I hope that we can contribute by providing solutions utilizing the blessings of the ocean.
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| Messages to Students |
For young and promising students who are expected to be leaders of the next generation, experience in investigating things without compromise and in constructing things with patience is important.
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