HFCAS OpenIR  > 中科院等离子体物理研究所
Developing the science and technology for the Material Plasma Exposure eXperiment
Rapp, J.1; Biewer, T. M.1; Bigelow, T. S.1; Caneses, J. F.1; Caughman, J. B. O.1; Diem, S. J.1; Goulding, R. H.1; Isler, R. C.1; Lumsdaine, A.1; Beers, C. J.1,2; Bjorholm, T.1; Bradley, C.1; Canik, J. M.1; Donovan, D.2; Duckworth, R. C.1; Ellis, R. J.1; Graves, V.1; Giuliano, D.1; Green, D. L.1; Hillis, D. L.1; Howard, R. H.1; Kafle, N.2; Katoh, Y.1; Lasa, A.1; Lessard, T.1; Martin, E. H.1; Meitner, S. J.1; Luo, G. -N.3; McGinnis, W. D.1; Owen, L. W.1; Ray, H. B.1,2; Shaw, G. C.1,2; Showers, M.1,2; Varma, V.1; MPEX Team
2017-11-01
发表期刊NUCLEAR FUSION
卷号57期号:11
摘要Linear plasma generators are cost effective facilities to simulate divertor plasma conditions of present and future fusion reactors. They are used to address important R&D gaps in the science of plasma material interactions and towards viable plasma facing components for fusion reactors. Next generation plasma generators have to be able to access the plasma conditions expected on the divertor targets in ITER and future devices. The steady-state linear plasma device MPEX will address this regime with electron temperatures of 1-10 eV and electron densities of 10(21) -10(20) m(-3). The resulting heat fluxes are about 10 MW m(-2). 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. The linear device Proto-MPEX, forerunner of MPEX consisting of 12 water-cooled copper coils, has been operational since May 2014. Its helicon antenna (100 kW, 13.56 MHz) and EC heating systems (200 kW, 28 GHz) have been commissioned and 14 MW m-2 was delivered on target. Furthermore, electron temperatures of about 20 eV have been achieved in combined helicon and ECH heating schemes at low electron densities. Overdense heating with EBW was achieved at low heating powers. The operational space of the density production by the helicon antenna was pushed up to 1.1 x 10(20) m(-3) at high magnetic fields of 1.0 T at the target. The experimental results from Proto-MPEX will be used for code validation to enable predictions of the source and heating performance for MPEX. MPEX, in its last phase, will be capable to expose neutron-irradiated samples. In this concept, targets will be irradiated in ORNL's High Flux Isotope Reactor and then subsequently exposed to fusion reactor relevant plasmas in MPEX.
文章类型Article
关键词Plasma Material Interactions Linear Plasma Devices Divertor Nuclear Materials
WOS标题词Science & Technology ; Physical Sciences
资助者US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725) ; US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725) ; US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725) ; US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725)
DOI10.1088/1741-4326/aa7b1c
关键词[WOS]SURFACE INTERACTIONS
收录类别SCI
语种英语
资助者US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725) ; US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725) ; US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725) ; US Department of Energy, Office of Science, Office of Fusion Energy Sciences(DE-AC05-00OR22725)
WOS研究方向Physics
WOS类目Physics, Fluids & Plasmas
WOS记录号WOS:000406518100001
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33592
专题中科院等离子体物理研究所
作者单位1.Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA
2.Univ Tennessee, Knoxville, TN USA
3.Chinese Acad Sci, Inst Plasma Phys, Hefei, Anhui, Peoples R China
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GB/T 7714
Rapp, J.,Biewer, T. M.,Bigelow, T. S.,et al. Developing the science and technology for the Material Plasma Exposure eXperiment[J]. NUCLEAR FUSION,2017,57(11).
APA Rapp, J..,Biewer, T. M..,Bigelow, T. S..,Caneses, J. F..,Caughman, J. B. O..,...&MPEX Team.(2017).Developing the science and technology for the Material Plasma Exposure eXperiment.NUCLEAR FUSION,57(11).
MLA Rapp, J.,et al."Developing the science and technology for the Material Plasma Exposure eXperiment".NUCLEAR FUSION 57.11(2017).
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