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A signature feature of high confinement
(H-mode) tokamak plasmas is the formation of an edge pedestal region in
which steep gradients in the density and temperature and wells in the radial
electric field and rotation velocity are observed. The structure of and
transport in this edge pedestal has been a focus of collaborative research
involving Georgia Tech and General Atomics members of the National DIII-D
Team.
1.
W. M. Stacey, “An edge pedestal model based on transport and atomic
physics”, Phys. Plasmas 8, 4073 (2001).
2.
W. M. Stacey, “An Edge Pedestal Model”, Contrib. Plasma Phys.
42, 283 (2002).
3.
W. M. Stacey, “An edge pedestal investigation for high-confinement
tokamak plasmas”, Phys. Plasmas 9, 1332 (2002).
4.
W. M. Stacey and R. J. Groebner, “A framework for the development and
testing of an edge pedestal model: Formulation and initial comparison with
DIII-D data”, Phys. Plasmas 10, 2412 (2003).
5.
W. M. Stacey, “Investigation of transport in the DIII-D edge
pedestal”, Phys. Plasmas 11, 1511 (2004).
6.
W. M. Stacey, “Structure of the edge density pedestal in tokamaks”,
Phys. Plasmas 11, 4295 (2004).
7.
W. M. Stacey, “Edge pedestal structure”, Phys. Plasmas
11,
5487 (2004).
8.
W. M. Stacey and R. J. Groebner, “Application of a particle,
momentum, and energy balance model to calculate the structure of the edge
pedestal in DIII-D”, Phys. Plasmas 12, 042504 (2005).
9.
W. M. Stacey and R. J. Groebner, “Investigation of edge pedestal
structure in DIII-D”, Phys. Plasmas 13, 012513 (2006).
10.
W. M. Stacey and R. J. Groebner, “Thermal Transport in the DIII-D
Edge Pedestal”, Phys. Plasmas 13, 072510 (2006).
11. W.
M. Stacey and T. E. Evans, "Investigation of background edge thermal
transport in ELMing and ELM-suppressed H-modes in DIII-D", Phys. Plasmas
13, 112506 (2006).
12.
W. M. Stacey and R. J. Groebner, "Thermal transport analysis of the edge
region in the low and high confinement stages of a DIII-D discharge",
Phys.
Plasmas 14, 012501 (2007).
13. W. M. Stacey and R. J. Groebner,
"Experimentally inferred thermal diffusivities in the edge pedestal between
edge-localized modes in DIII-D", Phys.
Plasmas 14, 122504 (2007).
14. W. M. Stacey,
"Comparison of Theoretical and Experimental Heat Diffusivities in the DIII-D Edge Plasma",
Phys.
Plasmas 15, 052503 (2008).
15. W. M. Stacey and R. J. Groebner,
"Interpretation of Particle Pinches and Diffusion Coefficients in the Edge Pedestal of DIII-D H-Mode Plasmas",
Phys.
Plasmas 16, 102504 (2009).
16. W. M. Stacey,
"The Effect of Rotation and Viscous Heating on the Interpretation of Experimental Heat Diffusivities in the Edge Pedestal",
Phys. Plasmas 17, 052504 (2010).
17. W. M. Stacey,
"The Effects of Rotation, Electric Field, and Recycling Neutrals on Determining the Edge Pedestal Density Profile",
Phys. Plasmas 17, 052506 (2010).
18. W. M. Stacey and R. J. Groebner,
"Force Balance and Ion Particle Transport Differences in High and Low Confinement Tokamak Edge Pedestals",
Phys. Plasmas 17, 112512 (2010).
19. J. D. Callen, et al., W. M. Stacey, "Analysis of Pedestal Transport",
Nucl. Fusion 50, 064004 (2010).
20. W. M. Stacey and T. E. Evans, "The Role of Radial Particle Pinches in ELM
Suppression by Resonant Magnetic Perturbations", Nucl. Fusion 51, 013007 (2011).
21. W. M. Stacey and R.
J. Groebner, "Evolution of the H-mode Edge Pedestal Between ELMS".
Nucl.
Fusion 51 063024 (2011).
22. W. M. Stacey,
"Construction of a Predictive Model for the Edge Pedestal Structure". To
Be Published
23. J.-P. Floyd and W. M. Stacey. "Numerical Investigation of Extending
Diffusion Theory Codes to Solve the Generalized Pinch-Diffusion Equations in
the Edge Pedestal". To Be Published in Fusion Sci. Technol.
24. W. M. Stacey. "The Effect of Ion
Orbit Loss and X-Loss on the Interpretation of Ion Energy and Particle
Transport in the DIII-D Edge Plasma". Phys. Plasmas 18,
102504 (2011).
25. W. M. Stacey, R. J.
Groebner, and T. E. Evans. "Non-Diffusive Transport in the Tokamak Edge
Pedestal". To Be Published in Nuclear Fusion "H-Mode Issue" (2012).
26. W. M. Stacey. "Suggested
DIII-D Research Focus on Pedestal/Boundary Physics". DIII-D Planning
Meeting, January 26, 2012.
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