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SUMMARY:Multi-scale/multi-field turbulence measurements to test gyrokineti
 c simulation predictions on the DIII-D tokamak - Rhodes\, T (University of
  California\, LA)
DTSTART:20100719T143000Z
DTEND:20100719T150000Z
UID:TALK25571@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:This presentation describes the progress in our ability to rig
 orously test gyrokinetic turbulence simulations through a series of carefu
 lly designed experiments performed within the Transport Mode Validation Ta
 sk Force (TMV). These experiments take full advantage of the diagnostic\, 
 heating\, and plasma control capabilities available at DIII-D. In total\, 
 these provide significant constraints for testing and validating gyrokinet
 ic simulations. New\, multi-field\, multi-scale fluctuation measurements\,
  over a range of target plasmas and radii (r/a~0.55-0.85) have been obtain
 ed. New measurements include local\, wavenumber resolved TEM scale \, fluc
 tuating turbulence flows\, density-temperature crossphase\, as well as pre
 viously available ITG and ETG scale n_e and low-k T_e fluctuations. The me
 thodology\, issues\, and goals of the TMV will be presented and discussed.
  Example comparisons between measurements and simulation will be presented
  with a focus on high-k ETG scale density fluctuations. These\, and simila
 r validation efforts\, are crucial in developing a predictive capability f
 or ITER and an understanding of the actual ITER plasmas when they arrive. 
 This work was supported by the US Department of Energy under DE-FG02-08ER5
 4984\, DE-AC05-76OR00033\, and DE-FC02-04ER54698.\n\n\n\nT.L. Rhodes1\, C.
 H. Holland2\, J.C. DeBoo3\, A.E. White1\, K.H. Burrell3\, J. Candy3\, E.J.
  Doyle1\, J.C. Hillesheim1\, G.R. McKee4\, D. Mikkelsen5\, W.A. Peebles1\,
  C.C. Petty3\, R. Prater3\, L. Schmitz1\, R.E. Waltz3\, G. Wang1\, Z. Yan4
 \, and L. Zeng1 \n\n1University of California-Los Angeles\, PO Box 957099\
 , Los Angeles\, CA 90095-7099\, USA 2University of California-San Diego\, 
 9500 Gilman Dr.\, La Jolla\, California 92093\, USA 3General Atomics\, P.O
 . Box 85608\, San Diego\, California 92186-5608\, USA 4University of Wisco
 nsin-Madison\, 1500 Engineering Dr.\, Madison\, WI 53706\, USA 5Princeton 
 Plasma Physics
LOCATION:Seminar Room 1\, Newton Institute
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