U.S.-European Transport Task Force


Wednesday, April 2, 2003

Lecture Hall
Preview Talks
8:45 a.m. – 5:45 p.m.

 
8:30 a.m. Paul Terry Welcome
8:45 a.m.10:10 a.m. Xavier Garbet Magnetic Fluctuations and Transport
10:10 a.m.10:35 a.m.
Break
10:35 a.m.12:00 p.m. Francois Ryter Electron Thermal Transport: an Experimental perspective
12:00 p.m. –1:00 p.m. Ellen Zweibel Magnetic Fields in Galaxies
1:00 p.m.2:30 p.m.
Lunch
2:30 p.m.3:55 p.m. George Tynan Towards Obtaining a Predictive Capability for Transport
3:55 p.m.4:20 p.m.
Break
4:20 p.m.5:45 p.m. Mickey Wade Particle Transport
6:00 p.m.
Reception

 


Thursday Morning, April 3, 2003

8:30 a.m. – 12 noon


Core Transport
General Transport I
H-Mode/Pedestal/Edge
Experiment I
C. Angioni:  Density peaking, anomalous pinch, and collisionality in ASDEX Upgrade plasmas M. Gilmore: Changes in Edge Turbulence with rho-star in NSTX
X. Garbet:  Particle transport in JET plasmas L. Schmitz: Observation of transport barrier formation in Ohmic and ICRF heated plasmas in the Electric Tokamak
G. Fiksel:  Toroidal and parallel momentum transport in RFP during reconnection A. Pigarov:  Analysis of non-diffusive transport and SOL recycling with edge fluid code
Y. Sarazin:  Role of large structures in trapped ion turbulence G. Antar:  Universality of intermittent convective transport in the SOL
Break
General Transport II Theory and modeling I
T. Hoang:  Evidence of anomalous inward pinch in full non-inductive plasmas P.H. Diamond:  Shear flow effects on the cross phase reconsidered
D, del Castillo Negrete:  Nonlocal diffusion: a fractional diffusion approach E.-J. Kim:  Zonal flows and transient dynamics of the L-H transition
M. Redi  Calculations of Gyrokinetic microturbulence and transport in NSTX and Alcator C-Mod  P. Guzdar:  High b L-H transition theory
D. Ross:  Electromagnetic gyrokinetic simulations A. Kritz:  Advances in integrated modeling of H mode plasmas

Lunch
 

Thursday Afternoon, April  3, 2003

1:30 p.m. – 3:30 p.m.

POSTER SESSION


1 D. Ross Electromagnetic Gyrokinetic Simulations
2 J.F. Artaud Transport Properties of Steady-State Long Discharges on Tore Supra
3 T. Hoang Role of Current Density Profile on Drift Wave Stability in Electron Thermal Barrier Experiments on Tore Supra
4 P. Phillips Temperature Scale Lengths and ETG Models for C-Mod
5 J.E. Kinsey Renormalized GLF23 Transport Model
6 S. Parker Characteristics and Features of Electromagnetic Microturbulence with Kinetic Electrons
7 L. Frassinetti Magnetic and SXR Fluctuation Measurements in the Madison Symmetric Torus Device
9 R. Bravenec Gyrokinetic Simulation of DIII-D Discharges with Modulated Electron Heating
10 E. Doyle Tests of Transport Models Using Multi-Machine Data from the International ITB Database
11 B. Chapman Momentum Transport in MST due to Tearing-Mode-Induced Eddy Currents in the Conducting Shell
12 D. Baker A Perturbation Solution to the Drift Kinetic Equation Yields Pinch Type Fluxes from the Circulating Electrons
13 J. DeBoo Comparison of Critical Values of R/LTe for ETG Modes Based on an Analytic Expression with GKS Simulations of DIII-D Discharges
14 A. Peeters GS2 Linear Simulations to Study Electron Heat Transport under ASDEX Upgrade
15 P. Schoch Nonlinear Coupling between a GAM Zonal Flow and Broadband Fluctuations on TEXT
16 O. Gurcan Whitham Modulations of the ETG Turbulence
17 D. Spong Transport Physics Issues of Low Aspect Ratio Stellarators
18 W. Ding Measurement of Core Magnetic Fluctuations and Transport in High Temperature Plasmas
19 J. Rice Observations of Anomalous Momentum Transport in Alcator C-Mod
20 R. Woodward Characterizing System Dynamics Through R/S Analysis of Very Long Time Series
21 D. Newman Formation of Electron Transport Barriers
22 M. Greenwald The National Fusion Collaboratory
23 M. McGrath TORPEX:A New Experiment
24 D. DenHartog Fast Thomson Scattering Diagnostic for Magnetic Fusion Research
25 W. Soloman Structure of Fluctuation Driven Flux in the Presence of Zonal Flows in the H-1 Heliac
26 Y. Huang Self-Organized Criticality Processes in the HL-1M Tokamak
27 I. Gruzinov Transport Bifurcation in Bi-Stable Diffusive Cellular Automata
28 M. Sampsell BES and ECE Measurements of the Quasi-Coherent Mode on Alcator C-Mod
29 M. Malkov Analytic theory of L-H Transition for Simple Model of Coupled Particle and Heat Fluxes
30 R. Maqueda Edge Turbulence in NSTX: H vs. L Differences
31 R. Maingi Effect of Fueling Location on H Modes in NSTX
32 Y. Nishimura Effects of Drift Wave Turbulence on Tokamak Divertor Transport
33 C. Figarella Control of Long Range Turbulent Transport with Biasing in the Tokamak SOL
34 J.L. Terry Turbulence in the Outboard and Inboard Scape-Off Layers of Alcator C-Mod
35 G. Antar Nonlocal k-Space Interactions and the Rare Existence of Coherent Structures in the Tokamak Edge Plasma
36 T. Biewer Edge impurity Ion Velocity and Temperature Measurements in the NSTX
37 R. Moyer Prospects for Pedestal Control with Edge Resonant Magnetic Perturbations
38 S. Gerhardt Measurements and Modeling of Electrode Induced Plasma Flows in the HSX

Break
 

Working Group Sessions

4:00 p.m. – 6:00 p.m.

Joint Session: Core Transport and H-mode / Pedestal / Edge


U. Stroth Detection of Reynolds stress as a driving mechanism of zonal flows and GAMs
T. Carter Study of intermittent turbulence and coherent structures in LAPD and ET
J. Rice Observations of anomalous momentum transport Alcator C-Mod
S. Gerhardt: Measurements and modeling of electrode-induced plasma flows in HSX
S. Zweben High speed imaging of edge turbulence in NSTX
M. Burin Results from the controlled shear decorrelation experiment
R. Gatto A comparison of nonlinear damping and shearing in zonal flow reduction of turbulence

 


Friday Morning, April 4, 2003

8:30 a.m. – 12 noon


Core TransportGeneral Transport III H-mode / Pedestal / EdgeExperiment II
B. LeBlanc:  Confinement in Auxiliary heated NSTX discharges D. Mossesian: Localized dimensionless identity method as a tool for studying H-mode pedestal
R. Woodward  Characterizing system dynamics through R/S analysis of very long time series T. Biewer:  Edge impurity ion velocity and temperature measurements in the NSTX
G. Hammett Cross-validation, jackknife estimates of statistical uncertainties in empirical scalings K.H. Burrell  Edge harmonic oscillations in Edge harmonic oscillations in quiescent H-mode discharges in DIII-D
Break
ITB / Control Theory and modeling II
C. Fiore:  Progress in Alcator C-Mod internal transport barrier studies X. Xu:  Parametric scaling of the density limit in tokamak plasmas
J. Myra: Nonlinear radio-frequency generation of sheared flows C.S. Chang:  Monte Carlo simulation of edge pedestal and Er layer formation including neutral particles and anomalous transport
C. Greenfield  Physics requirements and results for transport control in advanced tokamaks R. Sanchez:  On the role of diffusive transport in triggering ELMs: a sandpile perspective
C. Bourdelle  Impact of alpha on the microstability of internal transport barriers J. Lönnroth  Predictive transport modeling with theory-based and semi-empirical models for different ELMy H-Mode scenarios

LUNCH
 

Friday Afternoon, April 4, 2003

1:30 p.m. – 5:30 p.m.


Core TransportElectron Transport H-mode / Pedestal / EdgeHow to Advance Pedestal Understanding
D. Stutman:   Observations of electron transport in beam-heated NSTX R. Groebner:  Physics requirements for understanding the H-mode pedestal
K. Gentle  Measurement of electron transport by modulated ECH G. Staebler  The challenge of transport in the trans separatrix region
W. Horton: Electron transport and critical gradient in Tore Supra D. Mossesian  Measuring particle sources
C. Holland  Current issues in ETG turbulence R. Moyer  Prospects for pedestal control with edge resonant magnetic perturbations
L. Marelli:  Investigation of magnetic field topology and particle transport in the RFP”
W. Ding:  Measurement of core magnetic fluctuations and transport in high temperature plasmas
Break
Discussion Discussion of Future plans


Saturday, April 5, 2003

Hall of Ideas E & F
Summary Talks
9:00 a.m. – 12 noon


9:00 a.m.9:30 a.m. Rich Groebner H mode / Pedestal / Edge
9:30 a.m.10:00 a.m David Newman Core Transport
10:00 a.m.10:30 a.m Break
10:00 a.m.10:30 a.m Ken Gentle Transient Transport 
10:30 a.m.11:00 a.m Paul Terry Status Report