TOROID ROTATION IN NEUTRAL BEAM HEATED DISCHARGES IN DIII-D

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It is known that the toroidal angular momentum and the ion thermal energy are correlated in tokamak discharges heated by neutral beam injection. Here, data from ten years of measurements on DIII-D are considered, for representative discharges from all types and all conditions. The ratio of simple replacement times for momentum and energy is found to order this correlation indicating that these times are approximately equal, across the minor radius. Representative discharges of several types are discussed in more detail, as well as transport analysis results for the momentum and thermal ion diffusivities.

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Medium: X; Size: 40 pages

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deGRASSIE, J.S.; BAKER, D.R.; BURRELL, K.H.; GOHIL, P.; GREENFIELD, C.M.; GROEBNER, R.J. et al. August 1, 2002.

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It is known that the toroidal angular momentum and the ion thermal energy are correlated in tokamak discharges heated by neutral beam injection. Here, data from ten years of measurements on DIII-D are considered, for representative discharges from all types and all conditions. The ratio of simple replacement times for momentum and energy is found to order this correlation indicating that these times are approximately equal, across the minor radius. Representative discharges of several types are discussed in more detail, as well as transport analysis results for the momentum and thermal ion diffusivities.

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Medium: X; Size: 40 pages

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Oakland Operations Office, Oakland, CA (US); INIS

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  • Journal Name: NUCLEAR FUSION; Other Information: Submitted to NUCLEAR FUSION

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  • Report No.: NONE
  • Grant Number: AC03-99ER54463
  • Office of Scientific & Technical Information Report Number: 805251
  • Archival Resource Key: ark:/67531/metadc736041

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  • August 1, 2002

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  • Oct. 18, 2015, 6:40 p.m.

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  • Jan. 4, 2017, 2:09 p.m.

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deGRASSIE, J.S.; BAKER, D.R.; BURRELL, K.H.; GOHIL, P.; GREENFIELD, C.M.; GROEBNER, R.J. et al. TOROID ROTATION IN NEUTRAL BEAM HEATED DISCHARGES IN DIII-D, article, August 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc736041/: accessed January 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.