Low-aspect Ratio Tokamaks: PEGASUS, NSTX-U, MAST-U, ST-40, and Others

Presentations

• Ohmic Coupling and Sustainment of LHI-Produced Plasmas in the Pegasus Experiment

  ORAL

  Oct. 18, 2022, 12:30 PM – Oct. 18, 2022, 12:42 PM

  Presenters

  • Christopher Pierren

    University of Wisconsin-Madison, University of Wisconsin - Madison

  Authors

  • Christopher Pierren

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Grant M Bodner

    Princeton Plasma Physics Laboratory, General Atomics

  • Michael W Bongard

    University of Wisconsin-Madison

  • Stephanie J Diem

    University of Wisconsin - Madison, University of Wisconsin-Madison

  • Raymond J Fonck

    University of Wisconsin - Madison, University of Wisconsin-Madison

  • Mark D Nornberg

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Nathan J Richner

    University of Wisconsin - Madison, Oak Ridge Associated Universities, General Atomics

  • Cuauhtemoc Rodriguez Sanchez

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Carolyn E Schaefer

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Justin D Weberski

    University of Wisconsin-Madison, University of Wisconsin - Madison

  View abstract →

• The New Pegasus-III Experiment

  ORAL

  Oct. 18, 2022, 12:42 PM – Oct. 18, 2022, 12:54 PM

  Presenters

  • Stephanie J Diem

    University of Wisconsin - Madison, University of Wisconsin-Madison

  Authors

  • Stephanie J Diem

    University of Wisconsin - Madison, University of Wisconsin-Madison

  • Michael W Bongard

    University of Wisconsin-Madison

  • Michael T Borchardt

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Raymond J Fonck

    University of Wisconsin - Madison, University of Wisconsin-Madison

  • John A Goetz

    University of Wisconsin - Madison, University of Wisconsin-Madison

  • Benjamin A Kujak-Ford

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Benjamin T Lewicki

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Mark D Nornberg

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Joshua A Reusch

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Aaron C Sontag

    University of Wisconsin-Madison, University of Wisconsin - Madison

  • Gregory R Winz

    University of Wisconsin-Madison, University of Wisconsin - Madison

  View abstract →

• Gyrokinetic investigation of pedestal transport on NSTX

  ORAL

  Oct. 18, 2022, 12:54 PM – Oct. 18, 2022, 1:06 PM

  Presenters

  • Joseph M Schmidt

    University of Texas at Austin

  Authors

  • Joseph M Schmidt

    University of Texas at Austin

  View abstract →

• Design method for optimized feedforward+feedback shape control

  ORAL

  Oct. 18, 2022, 1:06 PM – Oct. 18, 2022, 1:18 PM

  Presenters

  • Josiah T Wai

    Princeton University

  Authors

  • Josiah T Wai

    Princeton University

  • Mark D Boyer

    Princeton Plasma Physics Laboratory, PPPL

  • Will Wehner

    General Atomics - San Diego

  • Anders Welander

    General Atomics

  • Egemen Kolemen

    Princeton University

  View abstract →

• The Gyrokinetic Critical Pedestal Constraint

  ORAL

  Oct. 18, 2022, 1:18 PM – Oct. 18, 2022, 1:30 PM

  Presenters

  • Jason F Parisi

    EURATOM/CCFE

  Authors

  • Jason F Parisi

    EURATOM/CCFE

  • Walter Guttenfelder

    Princeton Plasma Physics Laboratory

  • Andreas Kleiner

    Princeton Plasma Physics Laboratory

  View abstract →

• Equilibrium operational space and stability limits in early operation of MAST-U

  ORAL

  Oct. 18, 2022, 1:30 PM – Oct. 18, 2022, 1:42 PM

  Presenters

  • John Berkery

    Princeton Plasma Physics Laboratory, Columbia U., PPPL

  Authors

  • John Berkery

    Princeton Plasma Physics Laboratory, Columbia U., PPPL

  • Steven A Sabbagh

    Columbia University, Columbia U., Columbia Uni.

  • Lucy Kogan

    CCFE Culham Science Centre, CCFE, UKAEA

  • Sam Gibson

    CCFE, UKAEA

  • David Ryan

    CCFE, UKAEA

  • Veronika Zamkovska

    Columbia University

  • Jalal Butt

    Columbia University

  • James R Harrison

    United Kingdom Atomic Energy Authority, United Kingdom Atomic Energy Agency, CCFE, Culham Centre for Fusion Energy, UKAEA

  View abstract →

• Development of plasma magnetic equilibrium control for the MAST upgrade tokamak

  ORAL

  Oct. 18, 2022, 1:42 PM – Oct. 18, 2022, 1:54 PM

  Presenters

  • Himank Anand

    General Atomics

  Authors

  • Himank Anand

    General Atomics

  • David A Humphreys

    General Atomics - San Diego, General Atomics

  • Graham J McArdle

    Culham Centre For Fusion Energy

  • Martin Kochan

    Culham Centre For Fusion Energy

  • Nicholas W Eidietis

    General Atomics

  • Jayson L Barr

    General Atomics - San Diego, General Atomics

  • Anders Welander

    General Atomics

  • Elizabeth Cho

    General Atomics

  • Zichuan A Xing

    General Atomics - San Diego, General Atomics

  • Andrey Lvovskiy

    General Atomics

  • Ivo Carvalho

    General Atomics

  View abstract →

• Multi-reservoir particle balance analysis of RMP discharges at MAST

  ORAL

  Oct. 18, 2022, 1:54 PM – Oct. 18, 2022, 2:06 PM

  Presenters

  • Kurt Flesch

    University of Wisconsin-Madison

  Authors

  • Kurt Flesch

    University of Wisconsin-Madison

  • Ian Waters

    University of Wisconsin - Madison

  • James R Harrison

    United Kingdom Atomic Energy Authority, United Kingdom Atomic Energy Agency, CCFE, Culham Centre for Fusion Energy, UKAEA

  • Heinke G Frerichs

    University of Wisconsin - Madison, Department of Engineering Physics, University of Wisconsin, Madison, USA

  • Andrew Kirk

    Culham Centre for Fusion Energy, CCFE

  • Oliver Schmitz

    University of Wisconsin - Madison, Department of Engineering Physics, University of Wisconsin, Madison, USA

  View abstract →

• First snowflake divertor experiments in MAST-U.

  ORAL

  Oct. 18, 2022, 2:06 PM – Oct. 18, 2022, 2:18 PM

  Presenters

  • Vlad Soukhanovskii

    Lawrence Livermore Natl Lab, LLNL

  Authors

  • Vlad Soukhanovskii

    Lawrence Livermore Natl Lab, LLNL

  • G. Cunningham

    CCFE

  • James R Harrison

    United Kingdom Atomic Energy Authority, United Kingdom Atomic Energy Agency, CCFE, Culham Centre for Fusion Energy, UKAEA

  • F. Federici

    CCFE

  • P. Ryan

    United Kingdom Atomic Energy Agency, CCFE

  View abstract →

• 2D Spatial Structures of Fishbone instabilities inferred from Beam Emission Spectroscopy in the Mega Amp Spherical Tokamak Upgrade

  ORAL

  Oct. 18, 2022, 2:18 PM – Oct. 18, 2022, 2:30 PM

  Presenters

  • Henry Hingyin Wong

    University of California, Los Angeles

  Authors

  • Henry Hingyin Wong

    University of California, Los Angeles

  • Clive A Michael

    University of California, Los Angeles

  • Anthony R Field

    UKAEA, UKAEA, CCFE, Culham Science Centre, Abingdon, United Kingdom

  • Rory Scannell

    UKAEA

  • Daniel Dunai

    EK-CER

  • Alsu Sladkomedova

    Tokamak Energy Ltd, University of York

  • Neal A Crocker

    University of California, Los Angeles

  • Ken G McClements

    UKAEA

  • Troy Carter

    University of California, Los Angeles

  View abstract →

• ST40: Advancing the Physics Basis of Spherical Tokamak Reactors

  ORAL

  Oct. 18, 2022, 2:30 PM – Oct. 18, 2022, 2:42 PM

  Publication: [1] M. Gryaznevich, O. Asunta (2017) Fusion Eng. Des. 123 177-180<br>[2] S. McNamara et al (2022), submitted to PRL<br>[3] M. Romanelli et al (2011), Nuclear Fusion 51 (10), 103008<br>[4] P F Buxton et al (2019) Plasma Phys. Control. Fusion 61 035006

  Presenters

  • Michele Romanelli

    Tokamak Energy Ltd, Tokamak Energy Ltd.

  Authors

  • Michele Romanelli

    Tokamak Energy Ltd, Tokamak Energy Ltd.

  • Peter Buxton

    Tokamak Energy Ltd, Tokamak Energy Ltd., Tokamak Energy, UK

  • steven McNamara

    Tokamak Energy Ltd

  • Alsu Sladkomedova

    Tokamak Energy Ltd, University of York

  • Jari Varjie

    Tokamak Energy Ltd

  • Chris Marsden

    Tokamak Energy Ltd

  • matteo moscheni

    Tokamak Energy Ltd

  • salomon janhunen

    Tokamak Energy Ltd

  • michail anastopoulos

    Tokamak Energy Ltd

  • James Bland

    Tokamak Energy Ltd, Tokamak Energy, UK

  • marco sertoli

    Tokamak Energy Ltd, Tokamak Energy Ltd., Tokamak Energy, UK

  • aleksei dnestrovskii

    Tokamak Energy Ltd

  • Mikhail Gryaznevich

    Tokamak Energy Ltd, Tokamak Energy, UK

  • sergei medvedev

    Tokamak Energy Ltd

  • Stanley M Kaye

    Princeton Plasma Physics Laboratory

  • Ahmed Diallo

    Princeton Plasma Physics Laboratory

  • Choongseok Chang

    Princeton Plasma Physics Laboratory, PPPL, Princeton Plasma Physics Laboratory, Princeton University

  • Michael Barnes

    University of Oxford

  • Yujia Zhang

    University of Oxford

  • Sergei Sharapov

    UKAEA, UKAEA, CCFE, Culham Science Centre, Abingdon, UK

  View abstract →

• Merging Formation of High-Beta Spherical Tokamak with Absolute Minimum-B in TS-6 merging experiment

  ORAL

  Oct. 18, 2022, 2:42 PM – Oct. 18, 2022, 2:54 PM

  Presenters

  • Yasushi Ono

    Univ of Tokyo

  Authors

  • Yasushi Ono

    Univ of Tokyo

  • Haruaki Tanaka

    Univ of Tokyo

  • Shun Kamiya

    Univ of Tokyo, University of Tokyo

  • Haruka Yamaguchi

    Univ of Tokyo, University of Tokyo

  • Jungkyun Kim

    Univ of Tokyo, University of Tokyo

  • Yunhan Cai

    Univ of Tokyo, Univ. of Tokyo

  • Ryo Someya

    Univ of Tokyo, Univ. of Tokyo, University of Tokyo

  • Shinjiro Takeda

    Univ. of Tokyo, Univ of Tokyo

  • Hiroshi Tanabe

    Univ of Tokyo

  • Shunsuke Usami

    Natl Inst Fusion Science-Toki

  • Ritoku Horiuchi

    NIFS

  • Chio Z Cheng

    Princeton Plasma Physics Laboratory

  View abstract →