Two-dimensional Simulations of Correlation Reflectometry in Fusion Plasmas

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Description

A two-dimensional wave propagation code, developed specifically to simulate correlation reflectometry in large-scale fusion plasmas is described. The code makes use of separate computational methods in the vacuum, underdense and reflection regions of the plasma in order to obtain the high computational efficiency necessary for correlation analysis. Simulations of Tokamak Fusion Test Reactor (TFTR) plasma with internal transport barriers are presented and compared with one-dimensional full-wave simulations. It is shown that the two-dimensional simulations are remarkably similar to the results of the one-dimensional full-wave analysis for a wide range of turbulent correlation lengths. Implications for the interpretation of correlation reflectometer ... continued below

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417 Kilobytes pages

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Valeo, E.J.; Kramer, G.J. & Nazikian, R. July 5, 2001.

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Description

A two-dimensional wave propagation code, developed specifically to simulate correlation reflectometry in large-scale fusion plasmas is described. The code makes use of separate computational methods in the vacuum, underdense and reflection regions of the plasma in order to obtain the high computational efficiency necessary for correlation analysis. Simulations of Tokamak Fusion Test Reactor (TFTR) plasma with internal transport barriers are presented and compared with one-dimensional full-wave simulations. It is shown that the two-dimensional simulations are remarkably similar to the results of the one-dimensional full-wave analysis for a wide range of turbulent correlation lengths. Implications for the interpretation of correlation reflectometer measurements in fusion plasma are discussed.

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417 Kilobytes pages

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INIS; OSTI as DE00787718

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  • Other Information: PBD: 5 Jul 2001

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  • Report No.: PPPL-3588
  • Grant Number: AC02-76CH03073
  • DOI: 10.2172/787718 | External Link
  • Office of Scientific & Technical Information Report Number: 787718
  • Archival Resource Key: ark:/67531/metadc720631

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  • July 5, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 18, 2016, 1:10 p.m.

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Valeo, E.J.; Kramer, G.J. & Nazikian, R. Two-dimensional Simulations of Correlation Reflectometry in Fusion Plasmas, report, July 5, 2001; Princeton, New Jersey. (digital.library.unt.edu/ark:/67531/metadc720631/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.