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, 9:30 AM – Oct. 18, 2022, 9:42 AM

  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, 9:42 AM – Oct. 18, 2022, 9:54 AM

  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, 9:54 AM – Oct. 18, 2022, 10:06 AM

  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, 10:06 AM – Oct. 18, 2022, 10:18 AM

  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, 10:18 AM – Oct. 18, 2022, 10:30 AM

  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, 10:30 AM – Oct. 18, 2022, 10:42 AM

  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, 10:42 AM – Oct. 18, 2022, 10:54 AM

  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, 10:54 AM – Oct. 18, 2022, 11:06 AM

  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, 11:06 AM – Oct. 18, 2022, 11:18 AM

  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, 11:18 AM – Oct. 18, 2022, 11:30 AM

  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, 11:30 AM – Oct. 18, 2022, 11:42 AM

  Publication: [1] M. Gryaznevich, O. Asunta (2017) Fusion Eng. Des. 123 177-180
  [2] S. McNamara et al (2022), submitted to PRL
  [3] M. Romanelli et al (2011), Nuclear Fusion 51 (10), 103008
  [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, 11:42 AM – Oct. 18, 2022, 11:54 AM

  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 →