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1,223 labs · 43 student voices
Kohei Ito, Professor
1 student voices
The Fuel Cell Systems Lab studies electrochemical energy conversion devices such as fuel cells and water electrolyzers. These devices are highly efficient regardless of scale, quiet, and reliable, so they are expected to be at the core of the next-generation energy society. To bring them into widespread use, the lab works on reducing costs and improving durability and performance, taking the perspective of system engineers grounded in mechanical engineering.
Chihiro Inoue, Associate Professor
1 student voices
The Inoue Lab studies propulsion engineering, including aircraft engines, rocket engines, and engines for satellites. Combining visualization experiments with high-speed cameras, numerical simulation, and theoretical modeling, the lab analyzes in detail the thermal and fluid phenomena inside engines. It brings the resulting findings together and links them to performance prediction and optimization of real engines. The lab studies atomization and phase change of liquid metal to obtain the high-quality metal powder essential for building aerospace and automotive engines. It also covers everyday physics, such as the chain-like branching of sparklers and metal sparks.
Koji Morita, Professor
1 student voices
The Nuclear Energy Systems Lab studies safe nuclear power that does not cause severe accidents, in which the reactor core is heavily damaged. Nuclear power is a leading application of quantum physics and engineering, producing large amounts of energy from small atomic nuclei, and it emits no carbon dioxide during power generation. The lab proposes next-generation nuclear power systems that control nuclear reactions and energy transport during an accident, so that no radioactive materials are released even in the worst case. It works on experiments and numerical simulation of thermal-hydraulic phenomena in which heat transfer, fluid flow, and phase change are combined, the development of safety assessment methods for severe accidents, and the development of passive safety reactor systems.
Tomofumi Tada, Professor
1 student voices
The lab uses computational theory based on quantum mechanics to design nanoscale devices from a microscopic perspective. It also develops multiscale algorithms that describe the behavior of large systems from microscopic information. Examples include the design of molecular devices through quantum transport calculations, and the design of electrochemical devices through first-principles calculations and kinetic Monte Carlo calculations. The lab also develops quantum algorithms for using rapidly advancing quantum computers in the research and development of molecular and solid-state materials, and carries out theoretical design of new quantum computers by discovering new quantum phenomena.
Koji Gotoh, Professor
1 student voices
The Production Systems Engineering Lab studies techniques for building large steel structures, such as ships and offshore structures, by welding, as well as the strength of those structures. Large welded structures must be finished into the intended shape while minimizing the loss of strength caused by welding and fabrication. Cracks can form under loads applied repeatedly during use and can lead to fracture, so clarifying the mechanisms of fatigue and fracture is an important issue. The targets are not limited to ships, but extend to steel bridges, steel frames of buildings, gas pipelines, construction machinery, and automobiles.
Yasuhiro Fujimitsu, Professor
1 student voices
The Earth Thermal Systems Lab conducts broad research, from fundamentals to applications, aimed at developing and using geothermal energy, an environmentally friendly natural energy source that is entirely domestic. Geothermal energy takes many forms, from the heat of high-temperature volcanoes deep underground to ambient-temperature ground-source heat near the surface. The lab regards these as a single system made up of a "heat source," "fluids," and "subsurface structure" (the Earth thermal system), and pursues its research with the keywords "flows of heat and water inside the Earth." The results are used not only for natural energy utilization and solving environmental problems but also for disaster prevention, such as monitoring volcanic and seismic activity.
Hideki Hideki, Professor
1 student voices
The Rock Mass Engineering and Mining Machinery Systems Lab researches technologies for recovering underground solid resources such as copper, iron, gold, and coal. The lab studies methods for excavating rock mass efficiently, and safe designs that keep the surrounding rock mass stable even after excavation. It also researches environmental restoration after open-pit mining from various perspectives, such as tree planting and drainage control. The lab also takes part in joint research with overseas research institutions, universities, and companies.
Yasuhiro Yamada, Professor
1 student voices
The Energy Resources Engineering Lab studies the exploration and sustainable development and production of energy resources, including frontier environments such as the deep seabed, outer space, and ultra-deep underground. Incorporating new technologies such as drones and VR, the lab works on exploring natural hydrogen, which is abundant in nature, developing methane hydrate, geological storage of carbon dioxide, and developing resources on the Moon and Mars. Research combines laboratory experiments, field tests, field observations, data analysis, numerical simulation, and VR. The lab aims to explore and develop energy resources with a view to a better environment and the well-being of local communities.
Yukihide Kajita, Professor
1 student voices
The Earthquake Engineering Lab studies how to minimize earthquake damage to infrastructure. Japan is one of the most earthquake-prone countries in the world, and people there always live close to the danger of earthquake disasters. To keep damage to a minimum when a disaster strikes and to protect human life above all, the lab works to improve the seismic performance of structures and to develop new technologies and materials. Earthquake engineering deals with how seismic motion travels through the ground, how underground and aboveground structures move during an earthquake, and how existing structures can be strengthened. Focusing mainly on bridges, the lab investigates, through both theory and experiments, the seismic response analysis of entire bridges and the safety of abutments, taking into account girder pounding and the soil behind the abutment. The lab also works on assessing how much safety margin already-deteriorated bridges still have, as well as on reliability-based design and seismic risk analysis. Including the use of artificial intelligence, the lab advances research on disaster prevention and mitigation from both the hardware and software sides.
Hidenori Hamada, Professor
1 student voices
The Construction Materials System Engineering Lab focuses mainly on concrete, the material of the infrastructure that supports daily life and economic activity. To build structures that are safe, durable, and in harmony with the natural environment, the lab investigates how to evaluate material durability and how to recycle materials. To extend the service life of existing structures, it also works on techniques for diagnosing their soundness and methods for expressing the effects of repairs in numerical terms. The corrosion and corrosion protection of reinforcing steel inside concrete, which progress in harsh environments such as near the sea, have long been a theme studied with electrochemical methods. The professor who leads the lab has a career dealing with structural deterioration at a port and harbor research institution, and life cycle management of concrete and steel structures placed in marine environments is one of the pillars of the research. The lab also studies how chemical reactions that occur after cement hardens, such as alkali-aggregate reaction and ettringite formation, cause expansion and cracking. It also advances research on using industrial by-products such as blast furnace slag and fly ash, and pyroclastic flow deposits (shirasu) that are widely deposited across Kyushu, as construction materials, which leads to making materials with a lower environmental impact. The technique of using seawater as mixing water for concrete has, with water-scarce regions in mind, expanded to technical guidance for overseas research institutions. The professor teaches Civil Engineering Materials and Maintenance Engineering at the undergraduate level and Advanced Concrete Engineering at the graduate level, so students can learn continuously from material properties to maintenance in the field.
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