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Ocean Space Utilization Engineering Lab
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A lab that studies the motion of floating offshore structures and their effects on the environment.
AboutAbout the lab
Asking how to use the sea and how to coexist with it
Centered on ocean engineering and marine environmental engineering, the Ocean Space Utilization Engineering Lab asks how the vast sea should be used and what it means for human activity and the marine environment to coexist.
The lab works on the use of ocean space by floating structures (Mega-Floats) and on field surveys of shellfish gathering at low tide in a seaside park.
Its research on the motion and bending of structures centers on computer simulations and water tank experiments.
The lab's stance is "First, give it a try."
Key terms
- Mega-Float
- A name for a very large floating structure on the sea. The lab studies its motion and bending in waves
- Water tank experiments
- Experiments such as examining the motion of a Mega-Float in a small water tank, to check how it moves in waves
- Simulation
- A method of studying a subject by reproducing it on a computer, such as movement in waves, ocean currents, and the behavior of people gathering shellfish
ResearchResearch themes
The lab considers that, although Japan has vast ocean space, there are still too few people who understand its potential and can put it to use. It studies floating structures and the relationship between ocean use and the environment, through simulations, water tank experiments, and field surveys.
*Illustrative imageStructures that do not shake or break in waves
Floating structures are required not to sink, not to shake, and not to break. The lab mainly studies how to make them resist motion and bending. The research centers on simulations and water tank experiments, and the lab has recently begun studying subsea risers and mooring as well.
*Illustrative imageExtracting energy from waves and wind
This research extracts the power of waves and wind using floating facilities. Because such facilities cannot be fixed in place as they can on land, the lab is working out how to extract energy efficiently while floating and moving. Recently, it has also begun studying how to use the energy obtained.
*Illustrative imageFloating structures with little impact on the sea
Through simulations and surveys, the lab studies how placing huge objects on the sea affects ocean currents, how to build them with less impact, and how to evaluate the environmental impact of ocean use.
*Illustrative imageSustainable use of the sea, viewed through shellfish gathering
The lab continuously conducts field surveys of Manila clams at Umi-no-Koen, a seaside park in Yokohama. Regarding shellfish gathering as part of natural activity, it studies sustainable ways of using the sea through surveys and computer simulations of shellfish gathering.
MembersFaculty
- ProfessorMotohiko Murai
- Assistant ProfessorJialin Han
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “RP FLIP (Floating Instrument Platform) in August 2009 (cropped)” U.S. Navy / Public domain (cropped)
- Structures that do not shake or break in waves: “Oil Platform Crew Transfer” GuavaTrain / CC0 (cropped)
- Extracting energy from waves and wind: “Barrow Offshore wind turbines NR” Original: Andy Dingley; Edit: Muhammad / CC BY-SA 3.0 (cropped)
- Floating structures with little impact on the sea: “Windfloat floating offshore foundation, Póvoa de Varzim, Portugal )” U.S. Department of Energy from United States / Public domain (cropped)
- Sustainable use of the sea, viewed through shellfish gathering: “Clam digging in Haneda 1937”
『歷史寫眞』昭和十 二年三月號 / Rekishi Shashin March 1937 issue / Public domain (cropped) - Related lab (Marine Hydrodynamics Lab): “Vertical bifacial floating solar with offshore wind turbines” Wikideas1 / CC0 (cropped)
- Related lab (Ocean Environmental Design Lab): “Barrow Offshore wind turbines NR” Original: Andy Dingley; Edit: Muhammad / CC BY-SA 3.0 (cropped)
- Related lab (Complex Fluid Dynamics Lab): “Deepwater Horizon oil spill - May 24, 2010” NASA/GSFC, MODIS Rapid Response / Public domain (cropped)
- Related lab (Aerospace Guidance and Control Lab): “SES-10 Launch - world's first reflight of an orbital class rocket ( )” SpaceX / CC0 (cropped)
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