In the course of the last days, a one-year-long construction process has cumulated in the breakdown of a helicon plasma. This plasma state, driven by a specific radio-frequency wave that propagates in magnetized plasma, features …September 15, 2021
Graphene Coating on polycrystalline Tungsten was explored in multi-institutional work led by post-doctoral researcher Xavier Navarro-Gonzales in 3D-PSI group!
One of the most elusive challenges when talking about fusion reactors, is the selection of an appropriate material for plasma-facing components. Significant resources and experimental programs have been dedicated to the study of tungsten and …May 18, 2021
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A major milestone in the exploration of the Island Divertor concept in stellarators has been published [https://iopscience.iop.org/article/10.1088/1741-4326/abb51e] by O. Schmitz as part of a multi-institutional team at the Wendelstein 7-X stellarator. The island divertor …December 16, 2020
Temperature at the plasma boundary: a 2-D toroidally symmetric plasma (left), and a 3-D non-symmetric plasma with a magnetic field modified by ELM control coils (right). Corresponding heat loads on the outer divertor target are …October 21, 2020
An example from the DOE DIII-D facility of the perturbation to the edge region of a tokamak’s magnetic field due to resonant magnetic fields. Image credit: H. Frerichs. A highlight on the website of the …September 25, 2020
Authors: Jonathan Van Blarcum, Heinke Frerichs, Oliver Schmitz, Jong-Kyu Park, SeongMoo Yang Affiliations: UW Madison, PPPL Poloidal profiles for the increasing RMP current scan. 2D Heat Deposition onto the diverter plates with the location of the Max …August 18, 2020
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We are working as member of the AWAKE project at CERN on the development of a helicon plasma cell to be used as acceleration stage in the innovative particle driven wake-field particle accelerator concept. This …December 1, 2019
Collaborative International Laboratory for Advanced Stellarator Divertors was funded by Helmholtz Association in Germany.
The Helmholtz International Laboratory for Advanced optimized Divertors in Stellarators (HILOADS) was selected for funding by the Helmholtz Association of German Research Centers (HGF). This project is build to enhance the existing collaboration between the …October 28, 2019
Two invited talks on impurity transport and detached divertor physics topics in 3D boundaries presented at APS-DPP meeting 2019.
Two invited talks were delivered at the 2019 venue of the APS-DPP divisional conference in Fort Lauderdale. Edward Hinson reported on first time results on helium decontamination of future burning fusion plasmas by application of …October 20, 2019
2019 venue of the Plasma Academy, an NSF funded plasma outreach program for high school teachers and students, was conducted.
Three teachers and seven students participated in the 2019 venue of the Plasma Academy, an outreach event targeted at high-school teachers and students. Participants are introduced to the basics of plasma physics in the form …August 6, 2019
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Showcase of 3D Plasma Edge and Material Interaction Research and Plasma Helicon Research for the AWAKE Project at CERN at UW Madison at APS-DPP meeting in Portland, Oregon
The 3D-PSI group has a strong appearance on this year’s annual meeting of the Division of Plasma Physics (DPP) of the American Physics Society (APS) in Portland, Oregon. Contributions are ranging from seminal advances in …November 5, 2018
Talk about first results from divertor heat flux control experiments at Wendelstein 7-X delivered on 2019 Fusion Energy Conference of the IAEA in Mahatma Mandir, India.
PhD Florian Effenberg, who just graduated in July of this year, has presented the results of his thesis and from very recent experiments developed and coordinated by him at the 2019 venue of the Fusion …October 26, 2018
August issue of Nature Physics with title story on Wendelstein 7-X paper co-authored by UW Madison researchers.
The title story of the August 2018 issue of Nature Physics is based on a paper co-authored by personnel of the 3D-PSI group at UW Madison. In the paper by A. Dinklage et al. on “Magnetic Confinement …August 14, 2018
Professor Schmitz has conceptualized in the past two years a number of outreach activities and these outreach activities are now commencing for the first time. The declared goal of this program in the K-12 education …June 4, 2018
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PhD student Florian Effenberg was awarded the 2017 James D. Callen Fellowship for Excellence in Plasma Theory. Congratulations!
The 2017 James D. Callen Fellowship for Excellence in Plasma Theory was warded to PhD student Florian Effenberg. Florian works on numerical modeling of 3D plasma edge transport and radiative divertor scenarios for the Wendelstein …December 13, 2017
Two papers on the Plasma Material Interaction in 3-D plasma boundaries were published in Physica Scripta following presentations at the International Conference for Plasma Facing Components (PFMC) 2017 in ness, Germany.
Two papers on plasma material interaction were recently published in Physics Scripta. The first article authored by PhD student Victoria Winters on “Overview of the plasma surface interaction analysis in the limiter phase of W7-X” …November 13, 2017
Successful participation of the 3D-PSI group on the 2017 conference of the Division of Plasma Physics of APS in Milwaukee.
It was almost a home game for us in Milwaukee last week. Seven posters and one contributed oral talk were presented by the members of the 3D-PSI group on this most important national meeting in …October 23, 2017
Full 3-D modeling of plasma edge transport and the interaction with the neutral particles around this edge plasma revealed the impact of localized neutral sources on the plasma flow pattern. PhD Student Ian Waters carried …October 10, 2017
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Strong presence of group members and affiliated group members on this years APS-DPP meeting in San Jose, California.
Please find all talks and poster linked below: L. Stephey, invited talk on “Control of neutral particle fueling and exhaust by plasma edge topology optimization In Wendelstein 7-X and HSX” F. Effenberg, contributed talk on “Analysis of …October 31, 2016
Paper by Heinke Frerichs on 3-D edge modeling for Advanced Divertors at NSTX-Upgrade selected as Editor’s Pick in Physics of Plasmas.
The paper recently published in Physics of Plasmas by Dr. H. Frerichs discussing a survey of results on the effect of RMP fields on advanced divertor configurations at NSTX-Upgrade was selected as Editor’s Pick. Congratulations, Heinke! In this paper, …September 9, 2016
A paper was published in Nuclear Fusion today by Prof. O. Schmitz demonstrating on two devices that resonant magnetic perturbation (RMP) fields can be used to enhance the exhaust of helium from fusion plasmas. Sufficient helium exhaust is a …August 10, 2016
A paper was published in Physics of Plasmas today by Dr. H. Frerichs discussing a survey of results on the effect of RMP fields on advanced divertor configurations at NSTX-Upgrade. The EMC3-EIRENE code was used to explore basic divertor …June 29, 2016
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The first official plasma has been obtained in Wendelstein 7-X today at 2015-12-10T12:28:15.182965421Z in the official W7-X time base. We participated remotely in the inauguration ceremony and could feel the excitement of all people involved …December 10, 2015
One paper deals with the helical modulation of the electrostatic potential around edge magnetic islands in tokamaks and the similarity to ion and electron root transport in stellarators. This paper is the result of a collaborative study with Drs. G. …November 5, 2015
The Wendelstein 7-X stellarator designed, constructed and soon to be operated by the Max-Plank-Institute for Plasma Physics in Greifswald Germany is ready for operation. In the past couple of weeks the superconducting magnetic coils system …July 16, 2015
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The first grant was awarded by the Department of Energy to our research group for work at NSTX-Upgrade!
Title: Control of Neutral Fueling and Helium Exhaust in NSTX-Upgrade Plasmas by Three-Dimensional Magnetic Control Fields. DoE Grant number DE-SC0012315. Short description (public abstract): This research targets the understanding and optimization of the physical processes that define fueling and …August 22, 2014
On September 16, 2014 the first plasma was launched in the renovated Magnetized AnisotRopic Ion-distribution Apparatus (MARIA). Victoria Winters, the graduate student working on the device accomplished this important step together with Umiar Siddiqui, a former …August 22, 2014
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