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David Pace
Researcher at General Atomics
Publications - 73
Citations - 1575
David Pace is an academic researcher from General Atomics. The author has contributed to research in topics: Tokamak & Beam (structure). The author has an hindex of 24, co-authored 71 publications receiving 1355 citations.
Papers
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Journal ArticleDOI
Observation of Critical-Gradient Behavior in Alfvén-Eigenmode-Induced Fast-Ion Transport
Cami Collins,William Heidbrink,Max E Austin,G. J. Kramer,David Pace,C.C. Petty,Luke Stagner,M. A. Van Zeeland,Roscoe White,Y. B. Zhu,Diii-D Team +10 more
TL;DR: The observation of stiff fast-ion transport suggests that reduced models can be used to effectively predict alpha profiles, beam ion profiles, and losses to aid in the design of optimized scenarios for future burning plasma devices.
Journal ArticleDOI
An upgrade of the magnetic diagnostic system of the DIII-D tokamak for non-axisymmetric measurements
Joshua D. King,Edward Strait,R. L. Boivin,D. Taussig,Matthias G. Watkins,Jeremy Hanson,Nikolas Logan,Carlos Paz-Soldan,David Pace,Daisuke Shiraki,M.J. Lanctot,R.J. La Haye,L.L. Lao,D. J. Battaglia,Aaron Sontag,Shaun Haskey,J. G. Bak +16 more
TL;DR: The DIII-D tokamak magnetic diagnostic system has been upgraded to significantly expand the measurement of the plasma response to intrinsic and applied non-axisymmetric "3D" fields.
Journal ArticleDOI
Poloidal variation of high-Z impurity density due to hydrogen minority ion cyclotron resonance heating on Alcator C-Mod
Matthew Reinke,Ian H. Hutchinson,John Rice,Nathaniel Thomas Howard,A. Bader,Stephen Wukitch,Yijun Lin,David Pace,Amanda Hubbard,J. W. Hughes,Y. Podpaly +10 more
TL;DR: In this paper, a parallel high-Z impurity transport theory is extended to account for cyclotron effects and shown to agree with experimentally measured impurity density asymmetries.
Journal ArticleDOI
Fast-ion losses induced by ELMs and externally applied magnetic perturbations in the ASDEX Upgrade tokamak
M. Garcia-Munoz,Simppa Äkäslompolo,P. de Marne,Mike Dunne,Mike Dunne,R. Dux,Todd Evans,Nathaniel Ferraro,S. Fietz,Ch. Fuchs,Benedikt Geiger,A. Herrmann,Matthias Hoelzl,B. Kurzan,N. Lazanyi,R. M. McDermott,M. Nocente,David Pace,M. Rodriguez-Ramos,Kouji Shinohara,E. Strumberger,W. Suttrop,M. A. Van Zeeland,E. Viezzer,M. Willensdorfer,E. Wolfrum +25 more
TL;DR: In this article, phase-space time-resolved measurements of fast-ion losses induced by edge localized modes (ELMs) and ELM mitigation coils have been obtained in the ASDEX upgrade tokamak by means of multiple fastion loss detectors (FILDs).
Journal ArticleDOI
Impact of a narrow limiter SOL heat flux channel on the ITER first wall panel shaping
M. Kocan,R.A. Pitts,G. Arnoux,I. Balboa,P. de Vries,R. Dejarnac,Ivo Furno,Robert James Goldston,Y. Gribov,J. Horacek,Matthias Komm,Benoit Labit,Brian LaBombard,C.J. Lasnier,R. Mitteau,F. Nespoli,David Pace,Radomir Panek,P.C. Stangeby,J.L. Terry,C.K. Tsui,Petr Vondracek +21 more
TL;DR: In this article, a toroidal shape optimized for a double-exponential profile with λq = 4 (narrow feature) and 50 mm (main-SOL) was presented.