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Plasma Energy Engineering Lab
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The lab explores how high-temperature plasma interacts with wall materials, working toward realizing fusion power generation.
AboutAbout the lab
Toward magnetic confinement fusion power generation.
The Ohno Lab conducts research toward realizing fusion power generation that uses high-temperature plasma confined by magnetic fields.
The lab develops control and measurement technologies for edge plasma, which are essential for maintaining the plasma in the reactor core.
It also investigates the interaction between plasma carrying a heat flux comparable to that of the Sun's surface and the wall materials that receive it.
Besides experiments using high-density plasma generators, the lab works on computer simulation and on the creation of functional nanostructured metals.
Key terms
- Fusion power generation
- A way of generating electricity using the energy released when light atomic nuclei fuse together
- Plasma
- A state in which a gas, heated to a high temperature, separates into electrons and ions that move around freely
- Edge plasma
- The plasma on the outer side of the high-temperature plasma, close to the walls of the device
ResearchResearch themes
Toward realizing magnetic confinement fusion power generation, the lab studies edge plasma control, heat and particle transport, and interaction with wall materials. It conducts experiments with multiple high-density plasma generators and computational plasma modeling.
*Illustrative imageEdge Plasma and Materials in Fusion Reactors
To contribute to ITER (the International Thermonuclear Experimental Reactor) and the power reactors that follow it, the lab, together with researchers around the world, develops control and measurement technologies for edge plasma and studies the interaction between plasma with an ultrahigh heat flux and wall materials.
*Illustrative imageNew Ways to Generate Plasma
The lab produces low-temperature, high-density plasma with a spiral magnetic field structure and applies it to the nitriding of metals. It is also developing a device that irradiates targets with a combination of ultrahigh-density plasmoids and steady-state high-density plasma.
*Illustrative imageFunctional Nanostructured Metals
Research centered on this group has found that exposing hard metals such as tungsten to plasma forms nanostructures on their surface. The lab investigates their optical properties, physical properties, and function as catalysts to create metals with unprecedented functions.
*Illustrative imageComputational Plasma Modeling
In collaborative research with Keio University, Shinshu University, the National Institute for Fusion Science, the National Institutes for Quantum Science and Technology, and others, the lab analyzes physical phenomena in plasma using particle and fluid simulation codes.
MembersFaculty
- ProfessorNoriyasu Ohno
- Associate ProfessorHirohiko Tanaka
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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: “TFTR 1989” Princeton Plasma Physics Laboratory / CC BY 3.0 (cropped)
- Edge Plasma and Materials in Fusion Reactors: “ITER Tokamak mockup” Johannes Reimer / CC BY 4.0 (cropped)
- New Ways to Generate Plasma: “Plasma creation” AngeloBi / CC BY 4.0 (cropped)
- Functional Nanostructured Metals: “Snowflake on tungsten fuzz” Dmitry Sinelnikov, Dogyun Hwangbo, Shin Kajita / CC BY-SA 4.0 (cropped)
- Computational Plasma Modeling: “Virginia Tech - data center” Christopher Bowns / CC BY-SA 2.0 (cropped)
- Related lab (Fusion Electromagnetic Properties Engineering Lab): “Large Helical Device mirrored ( )” Justin Ruckman from Charlotte, NC, USA / CC BY 2.0 (cropped)
- Related lab (Plasma Electronics Lab): “Bell Jar 35 with Argon Plasma” Diener electronic GmbH + Co KG / CC BY-SA 4.0 (cropped)
- Related lab (Life Electronics Lab): “Plasma-filaments” The original uploader was Iantresman at English Wikipedia. / CC BY 2.5 (cropped)
- Related lab (Intelligent Systems Lab): “Quori socially interactive robot platform IMG” Mary Mark Ockerbloom / CC BY-SA 4.0 (cropped)
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