Zobrazeno 1 - 10
of 86
pro vyhledávání: '"R K Fisher"'
Autor:
I N, Roy, A M, Millen, S M, Jones, S R, Vallabhaneni, J R H, Scurr, R G, McWilliams, J A, Brennan, R K, Fisher
Publikováno v:
The British Journal of Surgery
Background Fenestrated endovascular aneurysm repair (FEVAR) is increasingly being used for juxtarenal aortic aneurysms. The aim of this study was to review long‐term results and assess the importance of changing stent‐graft design on outcomes. Me
Autor:
R. Prater, J.A. Leuer, G. M. Staebler, C. M. Greenfield, R.D. Stambaugh, M. A. Van Zeeland, A. D. Turnbull, T.W. Petrie, Ming-Sheng Chu, A.M. Garofalo, H.E. St. John, D.A. Humphreys, L.L. Lao, Vincent Chan, C.P.C. Wong, P. B. Snyder, R. K. Fisher
Publikováno v:
Fusion Science and Technology. 57:66-93
The objective of the Fusion Development Facility (FDF) under consideration is to carry forward advanced tokamak physics for optimization of fusion reactors and enable development of fusion’s energy...
Publikováno v:
Fusion Science and Technology. 53:487-527
In this chapter we discuss the various diagnostic techniques in which active spectroscopy plays a role. The use of an injected neutral beam - either a dedicated diagnostic beam or the main heating beams - to localize and enhance the spectroscopic mea
Autor:
Paul A. Jaanimagi, L. Disdier, A. Rouyer, T. C. Sangster, J.-L. Bourgade, R. A. Lerche, R. K. Fisher, N. Izumi
Publikováno v:
Review of Scientific Instruments. 74:1709-1712
Neutron images have been successfully recorded with “gel-type bubble detectors.” 14 MeV fusion neutrons emitted from laser-irradiated inertial confinement fusion targets formed coded images in proof-of-principle experiments conducted at the OMEGA
Autor:
L. Disdier, A. Rouyer, N. Izumi, Richard B. Stephens, Paul A. Jaanimagi, R. K. Fisher, J. L. Bourgade, T. C. Sangster, R. A. Lerche
Publikováno v:
Physics of Plasmas. 9:2182-2185
The results of proof-of-principle neutron imaging experiments using bubble detectors are reported. Bubble detectors, which detect neutrons with a spatial resolution as small as 5 μ, were used to image the neutrons from laser-driven compressed deuter
Publikováno v:
The Review of scientific instruments. 85(11)
New phase space mapping and uncertainty analysis of energetic ion loss data in the DIII-D tokamak provides experimental results that serve as valuable constraints in first-principles simulations of energetic ion transport. Beam ion losses are measure
Autor:
Jeremy Hanson, William Heidbrink, X. Chen, M. A. Van Zeeland, D.M. Orlov, R. K. Fisher, Nathaniel Ferraro, M.J. Lanctot, G. J. Kramer, R.A. Moyer, David Pace, M. Garcia-Munoz, Todd Evans, Raffi Nazikian, L.L. Lao
Publikováno v:
Plasma Physics and Controlled Fusion
idUS: Depósito de Investigación de la Universidad de Sevilla
Universidad de Sevilla (US)
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
idUS: Depósito de Investigación de la Universidad de Sevilla
Universidad de Sevilla (US)
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Energy and pitch angle resolved measurements of escaping neutral beam ions (E approximate to 80 keV) have been made during DIII-D L-mode discharges with applied, slowly rotating, n = 2 magnetic perturbations. Data from separate scintillator detectors
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a86b376e5b7ea69a6606c2a74ffa3469
https://hdl.handle.net/11858/00-001M-0000-0019-C11F-9
https://hdl.handle.net/11858/00-001M-0000-0019-C11F-9
Autor:
Xin Chen, R. K. Fisher, M. A. Van Zeeland, G. J. Kramer, Mario Podesta, David Pace, Max E Austin, Long Zeng, C.C. Petty, Raffi Nazikian, William Heidbrink, Brian Grierson
Publikováno v:
Chen, X; Heidbrink, WW; Kramer, GJ; Van Zeeland, MA; Pace, DC; Petty, CC; et al.(2014). Enhanced localized energetic ion losses resulting from first-orbit linear and non-linear interactions with Alfvén eigenmodes in DIII-D. Physics of Plasmas, 21(8). doi: 10.1063/1.4891442. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/27f6p3mg
Two key insights into interactions between Alfvén eigenmodes (AEs) and energetic particles in the plasma core are gained from measurements and modeling of first-orbit beam-ion loss in DIII-D. First, the neutral beam-ion first-orbit losses are enhanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e2a7129c2c5a1599fb66516a405b93a
http://www.escholarship.org/uc/item/27f6p3mg
http://www.escholarship.org/uc/item/27f6p3mg
Autor:
A. Fedotoff, C. S. Young, John A. Oertel, Fritz J. Swenson, Fredrick Seguin, Damien Hicks, R. J. Leeper, Cris W. Barnes, Choon-Myung Lee, Michael J. Moran, K. Fletcher, J. R. Faulkner, L. Disdier, Nelson M. Hoffman, R. B. Walton, Doug Wilson, D. D. Meyerhofer, R. R. Berggren, V. Yu. Glebov, K. A. Klare, Robert G. Watt, C. Stöckl, R. E. Chrien, R. K. Fisher, Mark D. Wilke, Gary Wayne Cooper, S. E. Caldwell, J. A. Frenje, T. W. Phillips, Paul S. Bradley, P. L. Gobby, Chimpén Ruiz, S. Padalino, C. K. Li, S. W. Haan, George L. Morgan, Thomas J. Murphy, A. Rouyer, P. J. Walsh, R. A. Lerche, J. M. Soures, T. C. Sangster, R. D. Petrasso, J. L. Jimerson, Joseph M. Mack
Publikováno v:
Review of Scientific Instruments. 72:773-779
The National Ignition Facility (NIF), currently under construction at the Lawrence Livermore National Laboratory, will provide unprecedented opportunities for the use of nuclear diagnostics in inertial confinement fusion experiments. The completed fa
Autor:
A. Belian, J. Liptac, E. Morse, R. K. Fisher, C. E. Brient, M. L. Loughlin, A. L. Roquemore, S. S. Medley, Paul Parks, D. C. Ingram
Publikováno v:
Review of Scientific Instruments. 72:796-800
Measurement of the neutron energy spectrum above ∼16 MeV will yield information on the spatial and energy distributions of confined fast alphas in deuterium–tritium (DT) tokamaks (Fisher, Nucl. Fusion; Gorini Rev. Sci. Instrum.). The energetic ne