Magnetics Business & Technology - May/June 2022 - 24

RESEARCH & DEVELOPMENT
...Continued from page 21.
Stellarator Simplification Using Permanent Magnets to Revolutionize
Tokamaks
fusion-energy concept because it has minimal recycling power
and auxiliary systems, and no-time dependent electro-magnet
systems. Two challenges have delayed its progress, however:
obtaining adequate confinement in three-dimensional fields and
engineering the magnetic configuration with sufficient precision
at low cost.
Breakthroughs in calculating and optimizing confinement properties
of 3D magnetic systems have addressed the first challenge.
A recent concept proposes permanent magnets and simple planar
coils for making the complex fields required by stellarators.
Use of permanent magnets along with planar toroidal field coils
could dramatically simplify stellarator construction, assembly,
and maintenance, and place the stellarator on a compelling path
toward lower-cost fusion energy. The tokamak is the most scientifically
mature fusion energy concept, which confines hot plasma
in the shape of a torus (similar to a donut), controlled in part by a
central solenoid electromagnet.
PPPL physicist David Gates with design for a permanent magnet
stellarator: " If we succeed, this project will provide the basis for
an attractive new type of stellarator that doesn't use intricate and
expensive magnetic coils. " He leads the team that will design the
magnets and measure the magnetic field that the completed work
produces.
Princeton Plasma Physics Laboratory will design and build a prototype
structure with an array of rare-earth permanent magnets
to generate the precise shaping fields of an optimized, quasiaxisymmetric
stellarator design. The stellarator is an attractive
Plasma-Jet Driven Magneto-Inertial Fusion at Los Alamos
Los Alamos National Laboratory is leading a team that is testing
an innovative approach to controlled fusion energy production:
plasma-jet driven magneto-inertial fusion (PJMIF). PJMIF uses a
spherical array of plasma guns to produce an imploding supersonic
plasma shell, or " liner, " which inertially compresses and
heats a pre-injected magnetized plasma " target " in a bid to access
the conditions for thermonuclear fusion. LANL will develop
a magnetized target plasma for the approach at a smaller scale
than would be needed for a reactor.
Specialists in MICRO magnet and coil components
for MEDICAL and critical applications
HQ and Engineering: Lugano Switzerland / Manufacturing locations: Switzerland, Philippines, China
24 Magnetics Business & Technology * May/June 2022
www.MagneticsMag.com
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Magnetics Business & Technology - May/June 2022

Table of Contents for the Digital Edition of Magnetics Business & Technology - May/June 2022

Magnetics Business & Technology - May/June 2022
Editor’s Choice/ Features
GM Powers Ahead with e-Propulsion Innovation & Investment, Cutting Deals with VAC, GE Renewable Energy and MP Materials
Giant Permanent-Magnet Turbines from GE to Power World’s Largest Offshore Wind Farm
Peer into the Future of Magnetics for Energy at ARPA-E Summit
Research & Development
Bakker Magnetics - Improving Energy Density of Permanent Magnets for e-Mobility Manufacturing
Tech Tips
Product News
Industry News
Annual Industry Resource Guide
Events Calendar/ Advertising Index
Visions
Magnetics Business & Technology - May/June 2022 - Magnetics Business & Technology - May/June 2022
Magnetics Business & Technology - May/June 2022 - Cover2
Magnetics Business & Technology - May/June 2022 - 3
Magnetics Business & Technology - May/June 2022 - Editor’s Choice/ Features
Magnetics Business & Technology - May/June 2022 - 5
Magnetics Business & Technology - May/June 2022 - GM Powers Ahead with e-Propulsion Innovation & Investment, Cutting Deals with VAC, GE Renewable Energy and MP Materials
Magnetics Business & Technology - May/June 2022 - 7
Magnetics Business & Technology - May/June 2022 - 8
Magnetics Business & Technology - May/June 2022 - 9
Magnetics Business & Technology - May/June 2022 - 10
Magnetics Business & Technology - May/June 2022 - 11
Magnetics Business & Technology - May/June 2022 - 12
Magnetics Business & Technology - May/June 2022 - 13
Magnetics Business & Technology - May/June 2022 - Giant Permanent-Magnet Turbines from GE to Power World’s Largest Offshore Wind Farm
Magnetics Business & Technology - May/June 2022 - 15
Magnetics Business & Technology - May/June 2022 - 16
Magnetics Business & Technology - May/June 2022 - 17
Magnetics Business & Technology - May/June 2022 - 18
Magnetics Business & Technology - May/June 2022 - 19
Magnetics Business & Technology - May/June 2022 - 20
Magnetics Business & Technology - May/June 2022 - 21
Magnetics Business & Technology - May/June 2022 - Research & Development
Magnetics Business & Technology - May/June 2022 - 23
Magnetics Business & Technology - May/June 2022 - 24
Magnetics Business & Technology - May/June 2022 - 25
Magnetics Business & Technology - May/June 2022 - Tech Tips
Magnetics Business & Technology - May/June 2022 - 27
Magnetics Business & Technology - May/June 2022 - Product News
Magnetics Business & Technology - May/June 2022 - 29
Magnetics Business & Technology - May/June 2022 - 30
Magnetics Business & Technology - May/June 2022 - 31
Magnetics Business & Technology - May/June 2022 - 32
Magnetics Business & Technology - May/June 2022 - 33
Magnetics Business & Technology - May/June 2022 - Industry News
Magnetics Business & Technology - May/June 2022 - 35
Magnetics Business & Technology - May/June 2022 - 36
Magnetics Business & Technology - May/June 2022 - 37
Magnetics Business & Technology - May/June 2022 - 38
Magnetics Business & Technology - May/June 2022 - 39
Magnetics Business & Technology - May/June 2022 - Annual Industry Resource Guide
Magnetics Business & Technology - May/June 2022 - 41
Magnetics Business & Technology - May/June 2022 - 42
Magnetics Business & Technology - May/June 2022 - 43
Magnetics Business & Technology - May/June 2022 - 44
Magnetics Business & Technology - May/June 2022 - 45
Magnetics Business & Technology - May/June 2022 - 46
Magnetics Business & Technology - May/June 2022 - 47
Magnetics Business & Technology - May/June 2022 - 48
Magnetics Business & Technology - May/June 2022 - 49
Magnetics Business & Technology - May/June 2022 - 50
Magnetics Business & Technology - May/June 2022 - 51
Magnetics Business & Technology - May/June 2022 - Events Calendar/ Advertising Index
Magnetics Business & Technology - May/June 2022 - 53
Magnetics Business & Technology - May/June 2022 - Visions
Magnetics Business & Technology - May/June 2022 - Cover3
Magnetics Business & Technology - May/June 2022 - Cover4
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