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253 labs · 36 student voices
Faculties at Kyushu University ›
Yoshihiro Kangawa, Professor
1 student voices
The Process Design Engineering Lab researches and develops functional materials that contribute to energy saving and the SDGs. Until now, developing new materials has meant searching for conditions such as deposition temperature and source material composition by trial and error, which takes a lot of time and effort. The lab is pioneering "process informatics," which analyzes data obtained from experiments, measurements, and computational science using data science (AI) to reduce the number of trials. Its targets are next-generation semiconductors such as nitride semiconductors, and it is developing a simulation technology (eXS2-CVD) that reproduces the entire chemical vapor deposition process in a virtual space. The lab is looking ahead to high-efficiency power conversion devices, deep-ultraviolet lasers, and ultra-high-frequency devices for post-5G/6G communications.
Shuichi Matsukiyo, Professor
1 student voices
With space plasma as its keyword, the Space Fluid Environment Lab studies a wide range of cosmic fluid environments, from the space around Earth to distant high-energy astronomical objects. Outer space is filled throughout with plasma, an electrically conducting fluid. The effects of solar activity reach the space environment around Earth through plasma, and the behavior of plasma is also the key to understanding spectacular astronomical phenomena. The lab also focuses on developing propulsion technology for spacecraft by controlling plasma.
Naoji Yamamoto, Professor
1 student voices
The Advanced Space Rocket Engineering Lab studies next-generation space propulsion, including electric propulsion devices for satellites and fusion rockets for crewed interplanetary travel. Its subjects range from palm-sized ion engines for small satellites to fusion rocket engines for crewed interplanetary travel. To understand the physical phenomena involved in plasma, the lab pursues two complementary approaches: experiments that measure plasma density and temperature using cavity ring-down spectroscopy and Thomson scattering, and numerical analysis that solves electrons and ions from first principles. The lab also carries out laser astrophysics experiments, which use high-intensity lasers to reproduce astrophysical plasma phenomena on Earth.
Wataru Saito, Professor
1 student voices
The Power Device Engineering Lab studies semiconductor components (power semiconductor devices) that convert electricity efficiently. To expand renewable energy, it is essential not to waste the electricity that is generated, and to use it while keeping the amount generated and the amount used in balance. The field of technology for controlling and using electricity well is called power electronics, and the semiconductor components that handle the control of electricity in its circuits are called power devices. The lab looks ahead to a new power network that will support a low-carbon society.
Chanho Moon, Associate Professor
1 student voices
The Nonequilibrium Plasma Dynamics Lab (Moon Lab) experimentally studies disordered plasma (turbulent plasma) and the mechanisms by which structures form within it. Plasma is a state of matter widespread in the universe, and studying it leads to a better understanding of the natural world and to technological innovation, including in nuclear fusion. Turbulence is thought to play a major role as a mechanism by which plasma escapes (turbulent transport), and understanding plasma turbulence is essential to realizing nuclear fusion. The lab precisely measures fluctuations of various sizes and speeds and analyzes the data to discover new laws.
Satoshi Hata, Professor
1 student voices
The lab studies the relationship between the nanostructure and properties of materials by developing new observation and analysis methods using transmission electron microscopy (TEM). The lab specializes in 4D imaging, which combines electron tomography, a method for visualizing nanostructures in three dimensions, with in situ observation of how materials behave during thermal reactions and deformation. The materials it studies range widely, from metallic materials such as steels, aluminum alloys, and nickel alloys to superconducting materials and nanoparticles. Students themselves operate the advanced electron microscopes at the Faculty of Engineering Sciences and the Ultramicroscopy Research Center, and learn observation and analysis techniques.
Hiroyuki Toda, Professor
1 student voices
The Structural Materials Evaluation Lab studies why structural materials used in aircraft, Shinkansen trains, automobiles, rockets, and similar applications break. The lab combines 3D/4D imaging at the SPring-8 synchrotron radiation facility, computational science from the atomic scale to the macroscale, and the evaluation of strength in a variety of materials. The materials it handles are centered on metals, and also include ceramics, polymers, and composite materials. By revealing how materials actually fail, the lab aims to contribute to the development of new structural materials and to guidelines for appropriate design.
Satoshi Watanabe, Professor
1 student voices
The Fluid Control Lab mainly studies the various phenomena in the internal flow of fluid machinery and its components. Fluid machinery is the general term for machines that exchange energy with a flowing fluid such as water or air. Machines that give energy to a fluid include pumps, fans, and compressors, while machines that receive energy from a fluid include turbines, wind turbines, and water turbines. Through improving the efficiency of these machines, clarifying the related phenomena, and making effective use of low-energy resources such as low-head water, the lab aims to contribute to society.
Akari Hayashi, Professor
1 student voices
The Advanced Hydrogen Systems Lab studies hydrogen energy as one means of making effective use of renewable energy toward a decarbonized energy society. The lab covers both hydrogen production by water electrolysis, which links renewable energy and hydrogen, and fuel cells, which convert hydrogen into electricity. In both, the electrode layer where the reactions take place determines performance, so the lab designs these electrode layers starting from the materials. Besides the materials themselves, such as catalysts, porous carbon supports, and proton conductors, the lab also develops methods to evaluate the role of each separately.
Hisao Matsunaga, Professor
1 student voices
The Hydrogen Storage Systems Lab studies what happens to metal components inside equipment that uses hydrogen. When hydrogen enters a material, its strength and ductility can drop. This is called hydrogen embrittlement. Hydrogen embrittlement is an obstacle to designing equipment safely and to reducing costs. The lab studies a wide range of materials, including stainless steels, martensitic steels, and nickel-based superalloys, examining how fatigue cracks grow and measuring fracture toughness in hydrogen gas. The lab has equipment for tensile and fatigue testing in high-pressure hydrogen gas, as well as a torsional fatigue testing machine and a testing machine that can produce a wide range of temperatures, from low to high, in air. The surfaces of fractured specimens are observed with a field emission scanning electron microscope. EBSD is used to examine crystal orientation, and thermal desorption analysis is used to measure the amount of hydrogen released from a material. Students run the equipment and carry out their experiments themselves, and receive support from technical staff for equipment that requires advanced knowledge and skills.
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