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Newswise: Worldwide Stellarator Research Goes Virtual
Released: 10-Jul-2020 12:55 PM EDT
Worldwide Stellarator Research Goes Virtual
Princeton Plasma Physics Laboratory

Article describes weekly virtual stellarator conferences held in lieu of annual face-to-face meeting because of COVID-19 travel restrictions.

Newswise: Mathematical noodling leads to new insights into an old fusion problem
Released: 30-Jun-2020 4:40 PM EDT
Mathematical noodling leads to new insights into an old fusion problem
Princeton Plasma Physics Laboratory

Scientists at PPPL have gained new insight into a common type of plasma hiccup that interferes with fusion reactions. These findings could help bring fusion energy closer to reality.

Newswise: Scientists develop new tool to design better fusion devices
Released: 24-Jun-2020 6:35 PM EDT
Scientists develop new tool to design better fusion devices
Princeton Plasma Physics Laboratory

Researchers have demonstrated that an advanced computer code could help design stellarators confine the essential heat from plasma fusion more effectively.

Newswise: A proven method for stabilizing efforts to bring fusion power to Earth
Released: 17-Jun-2020 11:55 AM EDT
A proven method for stabilizing efforts to bring fusion power to Earth
Princeton Plasma Physics Laboratory

Researchers at the Princeton Plasma Physics Laboratory and General Atomics have demonstrated a method for stabilizing fusion plasmas by suppressing edge localized modes (ELMs).

Newswise:Video Embedded this-supernova-in-a-lab-mimics-the-cosmic-blast-s-splendid-aftermath
VIDEO
Released: 15-Jun-2020 1:10 PM EDT
This Supernova in a Lab Mimics the Cosmic Blast’s Splendid Aftermath
Georgia Institute of Technology

(Study publishes 6/17/20. No embargo.) Mystery enshrouds the birth of swirls typical for supernova remnants like the Crab Nebula. A new "supernova machine" may help solve it.

Newswise: PPPL ramps up activities for diagnostics for ITER fusion experiment
Released: 11-Jun-2020 4:05 PM EDT
PPPL ramps up activities for diagnostics for ITER fusion experiment
Princeton Plasma Physics Laboratory

The U.S. Department of Laboratory's Princeton Plasma Physics Laboratory will lead the design and construction of several diagnostics for ITER, the international fusion experiment. At the same time, engineers are completing design work on a microwave reflectometer diagnostic called a low field side reflectometer.

Newswise: Groundbreaking University of Maryland Physicist Wins Princeton Presidential Postdoctoral Fellowship to Bring Her Mathematical Skills to PPPL
Released: 8-Jun-2020 2:05 PM EDT
Groundbreaking University of Maryland Physicist Wins Princeton Presidential Postdoctoral Fellowship to Bring Her Mathematical Skills to PPPL
Princeton Plasma Physics Laboratory

Article profiles standout doctoral graduate who has developed a unique mathematical means to facilitate the development of stellarator fusion facilities.

Newswise: New research deepens understanding of Earth’s interaction with the solar wind
Released: 2-Jun-2020 4:15 PM EDT
New research deepens understanding of Earth’s interaction with the solar wind
Princeton Plasma Physics Laboratory

A team of scientists at PPPL and Princeton University has reproduced a process that occurs in space to deepen understanding of what happens when the Earth encounters the solar wind.

Newswise: Story Tips: Shuffling atoms, thinning forests, fusion assembly and nuclear medicine
Released: 2-Jun-2020 10:15 AM EDT
Story Tips: Shuffling atoms, thinning forests, fusion assembly and nuclear medicine
Oak Ridge National Laboratory

ORNL Story Tips: Shuffling atoms, thinning forests, fusion assembly and nuclear medicine

Newswise: Lehigh University graduate student wins DOE award to conduct thesis research at PPPL
Released: 29-May-2020 4:05 PM EDT
Lehigh University graduate student wins DOE award to conduct thesis research at PPPL
Princeton Plasma Physics Laboratory

Article profiles Vincent Graber, his research interests and thesis plans.

Newswise: Jean Paul Allain: Then and Now
Released: 27-May-2020 2:15 PM EDT
Jean Paul Allain: Then and Now
Department of Energy, Office of Science

Jean Paul Allain is a professor and department head of the Ken and Mary Alice Lindquist Department of Nuclear Engineering, the director of the Radiation Surface Science and Engineering Laboratory, professor in Biomedical Engineering by courtesy and the Lloyd & Dorothy Foehr Huck Chair in Plasma Medicine at Penn State University.

Newswise: Return of the Blob: Scientists find surprising link to troublesome turbulence at the edge of fusion plasmas
Released: 26-May-2020 3:50 PM EDT
Return of the Blob: Scientists find surprising link to troublesome turbulence at the edge of fusion plasmas
Princeton Plasma Physics Laboratory

Correlation discovered between magnetic turbulence in fusion plasmas and troublesome blobs at the plasma edge.

Newswise: New insights into the dynamic edge of fusion plasmas could help capture the power that drives the sun and stars
Released: 21-May-2020 6:05 PM EDT
New insights into the dynamic edge of fusion plasmas could help capture the power that drives the sun and stars
Princeton Plasma Physics Laboratory

Unique PPPL simulations reveal new understanding of the highly complex edge of fusion plasmas.

Newswise: Scientists explore the power of radio waves to help control fusion reactions
Released: 28-Apr-2020 11:55 AM EDT
Scientists explore the power of radio waves to help control fusion reactions
Princeton Plasma Physics Laboratory

New research points to improved control of troublesome magnetic islands in future fusion facilities.

Newswise: Applying mathematics to accelerate predictions for capturing fusion energy to predict the behavior of fusion plasma
Released: 15-Apr-2020 4:30 PM EDT
Applying mathematics to accelerate predictions for capturing fusion energy to predict the behavior of fusion plasma
Princeton Plasma Physics Laboratory

PPPL scientists have borrowed a technique from applied mathematics to rapidly predict the behavior of fusion plasma at a much-reduced computational cost.

Newswise: Kat Royston: Finding excitement in nuclear physics
Released: 15-Apr-2020 11:45 AM EDT
Kat Royston: Finding excitement in nuclear physics
Oak Ridge National Laboratory

As a teenager, Kat Royston discovered that physics could give her answers to her questions about the ways the world works. Now, as a researcher in ORNL’s Reactor and Nuclear Systems Division, she works on unraveling the mysteries of fission and fusion around the world – including research for the ITER and JET fusion experiments.

Newswise: Moving on Up, to the Top for Fusion Power
Released: 15-Apr-2020 8:40 AM EDT
Moving on Up, to the Top for Fusion Power
Department of Energy, Office of Science

Researchers have demonstrated a new approach for injecting microwaves into a tokamak fusion device. In a fusion electron-cyclotron current drive (ECCD), microwaves help stabilize the plasma while the tokamak heats the plasma on the path to fusion. The new approach to ECCD is twice as efficient as previous approaches.

Newswise: Preparing for exascale: Eliminating disruptions on the path to sustainable fusion energy
Released: 2-Apr-2020 5:00 PM EDT
Preparing for exascale: Eliminating disruptions on the path to sustainable fusion energy
Argonne National Laboratory

With the world’s most powerful path-to-exascale supercomputing resources at their disposal, William Tang and colleagues are combining computer muscle and AI to eliminate disruption of fusion reactions in the production of sustainable clean energy.

Newswise: A new explanation for sudden collapses of heat in plasmas can help create fusion energy on Earth
Released: 30-Mar-2020 4:30 PM EDT
A new explanation for sudden collapses of heat in plasmas can help create fusion energy on Earth
Princeton Plasma Physics Laboratory

PPPL researchers find that jumbled magnetic fields in the core of fusion plasmas can cause the entire plasma discharge to suddenly collapse.

Newswise: 032720-fes-parker-spiral.jpg?itok=Ia8CgcoY
Released: 30-Mar-2020 9:00 AM EDT
Parker Spiral Created in the Laboratory for the First Time Ever
Department of Energy, Office of Science

The Sun is a spinning ball of plasma that generates its own magnetic field. As the Sun spews out plasma, it generates solar wind that pulls the Sun’s magnetic field along with it, twisting the magnetic field into what is called a Parker spiral. A recent experiment recreated this interaction at a small scale in the laboratory.

Newswise: 031820-fes-magnetic-island.jpg?itok=NK7x2T1p
Released: 23-Mar-2020 1:30 PM EDT
Island Retreat: Pellets Help Remove Magnetic Island Instabilities
Department of Energy, Office of Science

Tokamaks use magnetic fields to control plasma “Magnetic islands” are unstable structures that form in these magnetic fields. Researchers discovered that firing frozen pellets of deuterium deep into the plasma caused the magnetic islands to shrink.

Newswise: Magnetic Ripples Calm the Surface of Fusion Plasmas
Released: 20-Mar-2020 2:10 PM EDT
Magnetic Ripples Calm the Surface of Fusion Plasmas
Department of Energy, Office of Science

The ITER fusion reactor will use rippled magnetic fields to prevent bursts of heat and particles that can damage the walls of the reactor. Physicists have now compared computer simulations of plasma with experimental measurements to understand how controlled magnetic ripples outside the plasma can suppress these bursts.

Newswise: A landmark plan for realizing fusion energy and advancing plasma science
Released: 19-Mar-2020 2:10 PM EDT
A landmark plan for realizing fusion energy and advancing plasma science
Princeton Plasma Physics Laboratory

A summary of key points of the fusion and plasma science community's year-long Community Planning Process that proposes accelerating development of these strategic fields.

Newswise: Artificial intelligence helps prevent disruptions in fusion devices
Released: 17-Mar-2020 2:05 PM EDT
Artificial intelligence helps prevent disruptions in fusion devices
Princeton Plasma Physics Laboratory

Research led by a Princeton University graduate student demonstrates that machine learning can predict and avoid damaging disruptions to fusion facilities.

Newswise: Permanent magnets far stronger than those on refrigerator doors could be a solution for delivering fusion energy
Released: 11-Mar-2020 1:55 PM EDT
Permanent magnets far stronger than those on refrigerator doors could be a solution for delivering fusion energy
Princeton Plasma Physics Laboratory

Permanent magnets can, in principle, greatly simplify the design and production of the complex coils of stellarator fusion facilities.

Newswise: ORNL team builds portable diagnostic for fusion experiments from off-the-shelf items
Released: 11-Mar-2020 12:35 PM EDT
ORNL team builds portable diagnostic for fusion experiments from off-the-shelf items
Oak Ridge National Laboratory

The techniques Theodore Biewer and his colleagues are using to measure whether plasma has the right conditions to create fusion have been around awhile.

Newswise: Feeding fusion: hydrogen ice pellets prove effective for fueling fusion plasmas
Released: 10-Mar-2020 2:45 PM EDT
Feeding fusion: hydrogen ice pellets prove effective for fueling fusion plasmas
Princeton Plasma Physics Laboratory

Injecting pellets of hydrogen ice rather than puffing hydrogen gas improves fusion performance. Studies by PPPL and ORNL physicists compared the two methods on the DIII-D National Fusion Facility, looking ahead to the injection fueling planned for ITER.

Newswise: New twist in artificial intelligence could enhance the prediction of fusion disruptions
Released: 26-Feb-2020 4:55 PM EST
New twist in artificial intelligence could enhance the prediction of fusion disruptions
Princeton Plasma Physics Laboratory

New application of deep learning allows prediction of disruptions from raw, high-resolution data from fusion energy experiments.

Newswise: Design of the W7-X fusion device enables it to overcome obstacles, scientists find
Released: 24-Feb-2020 4:05 PM EST
Design of the W7-X fusion device enables it to overcome obstacles, scientists find
Princeton Plasma Physics Laboratory

Advanced design of the world's largest and most powerful stellarator demonstrates the ability to moderate heat loss from the plasma that fuels fusion reactions.

Newswise: A Decade of Fusion, Astrophysics and Nanotechnology at PPPL
Released: 17-Feb-2020 10:15 AM EST
A Decade of Fusion, Astrophysics and Nanotechnology at PPPL
Princeton Plasma Physics Laboratory

Feature highlights PPPL accomplishments over the past 10 years.

Newswise: Climbing the Staircase to Fusion
Released: 14-Feb-2020 12:00 PM EST
Climbing the Staircase to Fusion
Department of Energy, Office of Science

Recent experiments in the DIII-D tokamak demonstrate that more turbulence at the edge of the plasma can result in it being hotter.

Newswise: Story Tips: Fusion squeeze, global image mapping, computing mental health and sodium batteries
Released: 6-Feb-2020 11:15 AM EST
Story Tips: Fusion squeeze, global image mapping, computing mental health and sodium batteries
Oak Ridge National Laboratory

Story Tips: Fusion squeeze, global image mapping, computing mental health and sodium batteries

Newswise: DIII-D Researchers Use Machine Learning to Steer Fusion Plasmas Near Operational Limits
30-Jan-2020 1:50 PM EST
DIII-D Researchers Use Machine Learning to Steer Fusion Plasmas Near Operational Limits
General Atomics

Researchers at the DIII-D National Fusion Facility recently achieved a scientific first when they used machine learning calculations to automatically prevent fusion plasma disruptions in real time, while simultaneously optimizing the plasma for peak performance. The new experiments are the first of what they expect to be a wave of research in which machine learning–augmented controls could broaden the understanding of fusion plasmas. The work may help deliver reliable, peak-performance operation of future fusion reactors.

Newswise: Former PPPL intern honored for outstanding machine learning poster
Released: 23-Jan-2020 10:45 AM EST
Former PPPL intern honored for outstanding machine learning poster
Princeton Plasma Physics Laboratory

The American Physical Society (APS) has recognized a former PPPL summer intern for producing an outstanding research poster at the world-wide APS Division of Plasma Physics (DPP) gathering last October. The student used machine learning to accelerate a leading PPPL computer code known as XGC.

Newswise: New model helps pave the way to bringing clean fusion energy down to Earth
Released: 22-Jan-2020 2:50 PM EST
New model helps pave the way to bringing clean fusion energy down to Earth
Princeton Plasma Physics Laboratory

State-of-the-art simulation confirms a key source of heat and energy loss in spherical fusion facilities.

Newswise: Team led by PPPL wins major supercomputer time to help capture on Earth the fusion that powers the sun and stars
Released: 15-Jan-2020 2:05 PM EST
Team led by PPPL wins major supercomputer time to help capture on Earth the fusion that powers the sun and stars
Princeton Plasma Physics Laboratory

PPPL will use INCITE-award time on Summit and Theta supercomputers to develop predictions for the performance of ITER, the international experiment under construction to demonstrate the feasibility of fusion energy.

Newswise: New computer code could reach fusion faster
Released: 10-Jan-2020 11:40 AM EST
New computer code could reach fusion faster
Princeton Plasma Physics Laboratory

Scientists often make progress by coming up with new ways to look at old problems. That has happened at PPPL, where physicists have used a simple insight to capture the complex effects of many high-frequency waves in a fusion plasma.

Newswise: CPU2AL Accepting Plasma Physics Internship Applications
Released: 9-Jan-2020 3:05 PM EST
CPU2AL Accepting Plasma Physics Internship Applications
University of Alabama Huntsville

Applications for internship programs are now being accepted by the National Science Foundation funded EPSCoR Project Connecting the Plasma Universe to Plasma Technology in Alabama (CPU2AL), which is headquartered at The University of Alabama in Huntsville (UAH).

Newswise: BP Looks to ORNL, ADIOS to Help Rein in Data
Released: 2-Jan-2020 5:00 PM EST
BP Looks to ORNL, ADIOS to Help Rein in Data
Oak Ridge National Laboratory

British Petroleum researchers invited ORNL data scientists to give the company’s high-performance computing team a tutorial of the laboratory’s ADIOS I/O middleware. ADIOS has helped researchers achieve scientific breakthroughs by providing a simple, flexible way to describe data in their code that may need to be written, read, or processed outside of the running simulation. ORNL researchers Scott Klasky and Norbert Podhorszki demonstrated how it could help the BP team accelerate their science by helping tackle their large, unique seismic datasets.

Newswise: Ten not-to-be-missed PPPL stories from 2019 — plus a triple bonus!
Released: 2-Jan-2020 11:30 AM EST
Ten not-to-be-missed PPPL stories from 2019 — plus a triple bonus!
Princeton Plasma Physics Laboratory

Arms control robots, a new national facility, and accelerating the drive to bring the fusion energy that powers the stars to Earth: Ten (and a triple bonus!) Must-Read Stories of 2019 from PPPL

Newswise: Powder, not gas: A safer, more effective way to create a star on Earth
Released: 23-Dec-2019 2:05 PM EST
Powder, not gas: A safer, more effective way to create a star on Earth
Princeton Plasma Physics Laboratory

PPPL scientists have found that sprinkling a type of powder into fusion plasma could aid in harnessing the ultra-hot gas within a tokamak facility to produce heat to create electricity without producing greenhouse gases or long-term radioactive waste.

Newswise: Unraveling how Tungsten Armor Erodes in Tokamak Walls
Released: 23-Dec-2019 8:05 AM EST
Unraveling how Tungsten Armor Erodes in Tokamak Walls
Department of Energy, Office of Science

Scientists developed a new model to describe how large, periodic bursts of plasma known as edge localized modes (ELMs) erode parts of tokamak walls. Tokamaks are devices used to study the process of fusion.

Newswise: Accelerating the Development of Nuclear Fusion
Released: 23-Dec-2019 8:05 AM EST
Accelerating the Development of Nuclear Fusion
Department of Energy, Office of Science

Researchers from TAE Technologies used the Argonne Leadership Computing Facility to support their fusion research. The company is working to develop the world’s first fusion device that can generate electricity and is commercially viable.

Newswise: Top Posts of 2019
Released: 23-Dec-2019 8:05 AM EST
Top Posts of 2019
Department of Energy, Office of Science

From nanoparticles to algae ecology, the Office of Science supported a variety of research in 2019.

Newswise: LLNL physicist elected to lead Division of Plasma Physics of American Physical Society
Released: 23-Dec-2019 6:05 AM EST
LLNL physicist elected to lead Division of Plasma Physics of American Physical Society
Lawrence Livermore National Laboratory

Lawrence Livermore National Laboratory (LLNL) physicist Denise Hinkel was elected vice chair of the American Physical Society (APS) Division of Plasma Physics (DPP) during the annual meeting Oct. 21.

Newswise: Probes of New Physics from Deep Underground
Released: 19-Dec-2019 8:05 AM EST
Probes of New Physics from Deep Underground
Department of Energy, Office of Science

The SNO+ experiment has made new measurements of the lifetime of the proton. It also measured how the flow of solar neutrinos changes over time as well as the energy spectrum of those neutrinos.

Newswise: Bank on it: Gains in one type of force produced by fusion disruptions are offset by losses in another
Released: 2-Dec-2019 10:50 AM EST
Bank on it: Gains in one type of force produced by fusion disruptions are offset by losses in another
Princeton Plasma Physics Laboratory

Simulations show that halo currents can serve as a proxy for the total force produced by vertical disruptions.

Newswise:Video Embedded story-tips-from-the-department-of-energy-s-oak-ridge-national-laboratory-december-2019
VIDEO
Released: 2-Dec-2019 10:15 AM EST
Story Tips from the Department of Energy’s Oak Ridge National Laboratory, December 2019
Oak Ridge National Laboratory

An additively manufactured polymer layer applied to specialized plastic proved effective to protect aircraft from lightning strikes in lab test; injecting shattered argon pellets into a super-hot plasma, when needed, could protect a fusion reactor’s interior wall from runaway electrons; ORNL will celebrate the life and legacy of Dr. Liane Russell on December 20.


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