C
C. J. Beers
Researcher at University of Tennessee
Publications - 17
Citations - 229
C. J. Beers is an academic researcher from University of Tennessee. The author has contributed to research in topics: Helicon & Plasma. The author has an hindex of 7, co-authored 16 publications receiving 163 citations. Previous affiliations of C. J. Beers include Oak Ridge National Laboratory.
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Journal ArticleDOI
Developing the science and technology for the Material Plasma Exposure eXperiment
Juergen Rapp,T. M. Biewer,T.S. Bigelow,Juan Caneses,John Caughman,S. J. Diem,R. H. Goulding,R.C. Isler,Arnold Lumsdaine,C. J. Beers,C. J. Beers,T. Bjorholm,Craig Bradley,John Canik,David Donovan,Robert C. Duckworth,Ronald James Ellis,V.B. Graves,Dominic R Giuliano,D. L. Green,D. L. Hillis,Richard H. Howard,N. Kafle,Yutai Katoh,Ane Lasa,Timothy Lessard,Elijah Martin,Steven J. Meitner,G.-N. Luo,W. D. McGinnis,Larry W Owen,H. Ray,H. Ray,G.C. Shaw,G.C. Shaw,M. Showers,M. Showers,Venugopal Koikal Varma +37 more
TL;DR: In this paper, the steady-state linear plasma device MPEX is designed to deliver those plasma conditions with a novel Radio Frequency plasma source able to produce high density plasmas and heat electron and ions separately with electron Bernstein wave (EBW) heating and ion cyclotron resonance heating with a total installed power of 800 kW.
Journal ArticleDOI
Plasma source development for fusion-relevant material testing
John Caughman,Richard Goulding,T. M. Biewer,Timothy Bigelow,Ian H. Campbell,Juan Caneses,S. J. Diem,Andy Fadnek,D. T. Fehling,R.C. Isler,Elijah Martin,Chad M. Parish,Juergen Rapp,Kun Wang,C. J. Beers,David Donovan,N. Kafle,H. Ray,G.C. Shaw,M. Showers +19 more
TL;DR: The material plasma exposure experiment (MPEX) is a newly proposed steady state linear plasma device designed to deliver the necessary plasma heat flux to a target for testing, including the capability to expose a priori neutron-damaged material samples to those plasmas as discussed by the authors.
Journal ArticleDOI
Helicon plasma ion temperature measurements and observed ion cyclotron heating in proto-MPEX
C. J. Beers,C. J. Beers,Richard Goulding,R.C. Isler,Elijah Martin,T. M. Biewer,Juan Caneses,John Caughman,N. Kafle,N. Kafle,Juergen Rapp +10 more
TL;DR: The Prototype-Material Plasma Exposure eXperiment (Proto-MPEX) linear plasma device is a test bed for exploring and developing plasma source concepts to be employed in the future steady-state linear device Material plasma exposure eXPERiment (MPEX), that will study plasma-material interactions for the nuclear fusion program as mentioned in this paper.
Journal ArticleDOI
The Materials Plasma Exposure eXperiment: Status of the Physics Basis Together With the Conceptual Design and Plans Forward
Juergen Rapp,Cornwall Lau,Arnold Lumsdaine,C. J. Beers,T.S. Bigelow,T. M. Biewer,T. Boyd,Juan Caneses,John Caughman,Robert C. Duckworth,Richard Goulding,W. R. Hicks,N. Kafle,P. A. Piotrowicz,David L. West +14 more
TL;DR: The Materials Plasma Exposure eXperiment (MPEX) as discussed by the authors is a linear plasma device that will address the plasma-material interaction (PMI) science for future fusion reactors and will enable testing of plasma-facing components (PFCs).
Journal ArticleDOI
The Material Plasma Exposure eXperiment: Mission and conceptual design
Juergen Rapp,Arnold Lumsdaine,C. J. Beers,C. J. Beers,T. M. Biewer,Timothy Bigelow,Ted Boyd,Juan Caneses,John Caughman,Robert C. Duckworth,Richard Goulding,William Hicks,Cornwall Lau,P. A. Piotrowicz,P. A. Piotrowicz,David L. West,Dennis L. Youchison +16 more
TL;DR: The Material Plasma Exposure Experiment (MPEX) as discussed by the authors is a superconducting linear plasma device with magnetic fields of up to 2.5 T. The plasma source is a high-power helicon source (200kW, 13.56MHz) with microwaves using multiple 70 GHz gyrotrons (up to 600kW in total).