Articles tagged with Stellarators
A new 10-year project agreement advances US-EU collaboration on Wendelstein 7-X stellarator, a key experiment in fusion energy. The framework streamlines processes for joint research projects and provides a consistent legal structure for partnerships.
The new platform, led by PPPL, aims to speed up simulations needed to advance fusion energy research. STELLAR-AI will integrate CPUs, GPUs, and QPUs to tackle the challenges of private fusion companies, enabling faster design and optimization of stellarator devices.
The world's largest and most powerful stellarator, Wendelstein 7-X, achieved a new world record for the triple product in long plasma discharges, sustaining a peak value for 43 seconds. This milestone marks a significant step toward developing a power-plant-capable stellarator.
A new physics basis for a practical fusion pilot power plant has been developed by Type One Energy, setting the stage for commercial fusion power plants. The design builds on stellarator fusion technology, which has shown success in research settings, and addresses scaling up to a pilot plant.
Scientists at PPPL used a new method to develop plasma configurations that lose fewer energetic particles, addressing a major issue in stellarator designs. The alternative approach uses a proxy function to predict particle movement and has been applied to stellarators for the first time.
PPPL researchers utilize machine learning to perfect plasma vessel design, optimize heating methods, and maintain stable control of fusion reactions. The team achieves significant results by predicting disruptions and adjusting settings before instabilities occur, enabling high-confinement modes in tokamaks.
A two-day workshop hosted by PPPL discussed the risks and benefits of fusion energy, including concerns about nuclear proliferation and energy justice. Experts emphasized the need for open discussion and regulation to ensure safe and equitable deployment of fusion power.
A team of Japanese researchers discovered that adding neon to a hydrogen ice pellet can cool the plasma more effectively, reducing pressure and preventing ejection. This breakthrough contributes to establishing plasma control technologies for future fusion reactors.
The Princeton Plasma Physics Laboratory (PPPL) has received over $12 million in funding from the US Department of Energy to speed up the development of a pilot plant powered by fusion energy. This initiative aims to accelerate the production of clean and abundant electricity, a crucial step towards mitigating climate change.
Researchers at PPPL discovered that certain conditions can lead to the rapid loss of confinement of high-energy plasma particles in stellarators. This finding highlights the importance of considering particle orbits and resonances when designing optimal stellarator magnet field shapes.
Researchers have designed simpler magnets for twisty stellarator facilities, which could aid the development of a stellarator power plant. The new magnets have straighter sections than before while preserving their strength and accuracy.
Scientists achieved a breakthrough in twisty stellarator design, enabling more precise magnetic field shaping and confining fusion fuel. The new software, SIMSOPT, allows for rapid simulation and optimization of stellarator configurations.
Researchers developed a new 'two-step' magnet design strategy to standardize permanent magnet blocks, improving assembly accuracy and reducing technical barriers. The design enables mass production of identical cubic magnet blocks, which can be arranged in Halbach arrays for higher field strength.
Researchers found that adding boron to plasma improves heat confinement and reduces turbulence, a promising concept for fusion power. The study reveals a novel regime for confining heat in stellarators, which could advance the design as a blueprint for future fusion power plants.
Scientists at the Max Planck Institute and PPPL confirm a major advance in stellarator performance, achieving temperatures twice as great as the sun's core. The XICS diagnostic instrument revealed a sharp reduction in neoclassical transport, a type of heat loss that has historically been greater in classical stellarators.
The Wendelstein 7-X stellarator has demonstrated reduced neoclassical energy transport, lowering plasma energy losses. The optimised magnetic field successfully minimises these losses, a major weakness in conventional stellarators.
The PPPL has been awarded $3 million from ARPA-E and $1 million from the DOE Office of Science to develop permanent magnets for stellarators. This project aims to simplify the complex design of twisty plasma fusion devices, which could become an attractive candidate for a fusion pilot plant.
Scientists at Max-Planck-Institut für Plasmaphysik have developed a new code, GENE-3D, that can simulate turbulent transport in stellarators with higher accuracy. The simulations suggest that fast ions could reduce turbulence by over half in the Wendelstein 7-X stellarator, potentially leading to high-performance plasmas.
A revised code upgrade has improved the calculation of forces acting on magnetically confined plasma in fusion energy experiments. The new software, SPEC, enables researchers to determine the boundary of plasma in stellarators more easily, allowing for a better design and performance.
Researchers have developed a new code, XGC-S, that can simulate the behavior of plasma in stellarators more accurately than before. This advancement aims to improve the design of fusion devices, which could provide a virtually inexhaustible supply of safe and clean power.
Scientists have proposed using permanent magnets to simplify the design and production of stellarators, which are twisty fusion facilities that can produce massive amounts of energy. This innovation could lead to the creation of simpler, non-twisted coils and lower costs for engineering and manufacturing.
Researchers at W7-X facility demonstrate key step in overcoming plasma leakage problem in stellarators, validating optimized design that reduces neoclassical transport and improves heat control. The breakthrough enables high-performance stellarator designs to produce clean and safe fusion reactors.
The Helmholtz International Lab for Optimized Advanced Divertors in Stellarators (HILOADS) has been approved to conduct research on stellarator projects. HILOADS brings together institutions from Germany and the US, including the Max-Planck-Institut für Plasmaphysik and the University of Wisconsin-Madison. The project aims to develop o...
A new mathematical technique developed by Caoxiang Zhu at the Princeton Plasma Physics Laboratory can help simplify the design of stellarators, reducing construction time and costs. The method identifies irregular magnetic fields produced by stellarator coils, allowing for the creation of more stable plasmas.
The Wendelstein 7-X experiment achieved record-high plasma densities of up to 2 x 10**20 particles per cubic meter and temperatures of 20 million degrees Celsius. These results are significant milestones in fusion research, demonstrating the potential for stellarators to achieve high-quality confinement.
The Wendelstein 7-X superconducting stellarator successfully completes its first operational phase, demonstrating stable and high-density plasma conditions. The experiment's goal is to achieve temperatures of over 10 million degrees in plasmas using microwaves, a crucial step towards realizing fusion power.
A record-breaking achievement by Germany's Wendelstein 7-X stellarator facility suggests that stellarator design can replicate the sun's fusion on Earth. The U.S.-based PPPL diagnostic played a crucial role in this feat.
Researchers at Max-Planck-Institut für Plasmaphysik achieved a record-breaking fusion product with Wendelstein 7-X, lasting up to 26 seconds and reaching temperatures of 40 million degrees. The device's optimized magnetic field geometry also demonstrated improved thermal insulation and low bootstrap current.
Physicists Dr. Nate Ferraro and Dr. Sam Lazerson of PPPL have won Early Career Research awards to develop better designs for doughnut-shaped tokamaks and twisty stellarators, aiming to produce virtually inexhaustible fusion power. They will focus on minimizing disruptions and confining energetic particles in stellarators.
The W7-X stellarator achieved improved heating and measurement capabilities with the help of large magnetic trim coils designed by PPPL, enabling plasma discharges lasting up to 30 seconds. The research demonstrated the ability to control error fields and measure magnetic field measurements of unprecedented accuracy.
The second round of experimentation has begun at Wendelstein 7-X, a stellarator designed to produce power from fusion reactions. The upgrade includes new heating and measuring facilities, graphite wall tiles, and ten divertor modules, which will allow for higher temperatures and plasma discharges.
PPPL physicists lead crucial experiments on Wendelstein 7-X, a magnetic confinement fusion experiment in Germany. The facility aims to create steady state plasmas and model a future power plant for limitless clean energy.
A University of Maryland physicist has improved a method for designing stellarators, complex nuclear fusion experiments that aim to explore fusion's potential as an energy source. The new method, Regularized NESCOIL, balances tradeoffs between ideal magnetic field shapes and coil shapes, resulting in designs with more space between coils.
The W7-X stellarator in Germany has produced high-quality magnetic fields consistent with its complex design, achieving an error rate of less than one part in 100,000. This finding could be a key step toward verifying the feasibility of stellarators as models for future fusion reactors.
After a successful first round of experiments, Wendelstein 7-X is upgrading to achieve higher heating powers and longer plasma pulses. The device has already achieved pulse lengths of six seconds and temperatures of 100 million degrees Celsius.
The PPPL-led collaboration achieved a significant breakthrough in fusion energy research by creating a hydrogen-fueled superhot gas called a plasma on the W7-X stellarator. The achievement marks a major step forward for understanding plasma and demonstrates the potential of stellarators as a model for future fusion power plants.
The PPPL-designed scraper element will help physicists explore various magnetic field arrangements and plasma currents in the W7-X stellarator. The component intercepts heat from fusion reactions, reducing the risk of damage to the divertor and stellarator equipment.
PPPL's role in the W7-X stellarator experiment marks a significant achievement in fusion research. The US collaboration has successfully created and maintained a hot plasma for up to 30 minutes, a crucial milestone in developing sustainable fusion energy.
The U.S. Department of Energy's Princeton Plasma Physics Laboratory has awarded subcontracts worth $8 million and $4.5 million to manufacture major components for the National Compact Stellarator Experiment (NCSX), a fusion energy project aiming to advance basic science and explore innovative concepts.