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Fusion Electromagnetic Properties Engineering Lab
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The lab uses simulation to clarify the materials and electromagnetic waves of fusion reactors.
AboutAbout the lab
Toward fusion power through theory and simulation
The Nakamura Lab uses theory and simulation to study the physical properties of materials and the characteristics of electromagnetic waves for fusion power generation.
The lab is located at the National Institute for Fusion Science in Toki, Gifu Prefecture.
In fusion devices, the wall materials that come into direct contact with plasma wear away, which is a problem, so the lab investigates this interaction from the atomic scale.
The lab also develops computational codes, using simulation techniques such as the molecular dynamics method.
Key terms
- Plasma
- A state in which a gas becomes so hot that it separates into electrons and ions that fly around.
- Molecular dynamics method
- A method of calculating the motion of each individual atom or molecule on a computer according to the laws governing forces.
- Binary collision approximation
- An approximation that treats the many collisions among atoms as collisions between the two atoms that interact most strongly.
ResearchResearch themes
Aiming at fusion power generation, the lab uses theory and simulation to clarify and improve the physical properties of materials and the characteristics of electromagnetic waves. Using computers, it investigates interactions such as that between the walls of fusion devices and plasma from the atomic scale.
*Illustrative imageLarge-scale calculation of atomic motion
The lab studies how atoms behave when plasma hits a solid material. It combines the binary collision approximation (BCA) method with the molecular dynamics (MD) method, and has devised ways to handle more atoms than before.
*Illustrative imageCalculating how millimeter waves propagate
Using the finite-difference time-domain (FDTD) method, the lab calculates how millimeter waves propagate inside the miter bends used in electron cyclotron resonance heating (ECRH) devices, which heat plasma.
MembersFaculty
- Visiting ProfessorHiroaki Nakamura
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: “Large Helical Device mirrored ( )” Justin Ruckman from Charlotte, NC, USA / CC BY 2.0 (cropped)
- Large-scale calculation of atomic motion: “The surface of highly curved lipid bilayer” Semen Yesylevskyy / CC BY 4.0 (cropped)
- Calculating how millimeter waves propagate: “Preparing for high power microwave transmission line manufacturing ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (Plasma Energy Engineering Lab): “TFTR 1989” Princeton Plasma Physics Laboratory / CC BY 3.0 (cropped)
- Related lab (Life Electronics Lab): “Plasma-filaments” The original uploader was Iantresman at English Wikipedia. / CC BY 2.5 (cropped)
- Related lab (Energy Control Engineering Lab): “National Bureau of Standards high voltage laboratory” 作者不詳 / Public domain (cropped)
- Related lab (Advanced Device Lab): “Wafer” Santi / CC BY-SA 2.0 (cropped)
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