WOODRUFF 

Woodruff, S.; Technical Survey of Simply Connected Compact Tori: FRCs and Spheromaks.  Journal of Fusion Energy 2007

Woodruff, S.; Macnab, A. I. D.; Mattor, N.; Adiabatic Compression of a Doublet Field reversed Configuration.  To appear in Journal of Fusion Energy 2007

Woodruff, S.; Votroubek, G; Ziemba, T.; Slough, J.; Physics of Formation, Acceleration, Reconnection and Compression of Two Field Reversed Configurations. Journal of Fusion Energy v 26, n 1/2, June 2007, p243-246

Woodruff, S.; Summary of US Fusion Program Planning Documents relating to Innovative Confinement Concepts (1992-2005) Journal of Fusion Energy v 26, n 1/2, June 2007, p247-250

Woodruff, S.; Hooper, E.B.; Pearlstein, L.D.; Bulmer, R.; Hill, D.N.; Holcomb, C.T.; McLean, H.S.; Moller, J.; Stallard, B.W.; Wood, R.D. Observation of a pressure limit in a gun-driven spheromak Physics of Plasmas,  v 13, n 4,  April 2006, p 44506-1-4

Woodruff, S.; An Overview of Tokamak Alternatives in the US Fusion Program with the Aim of Fostering Concept Innovation Journal of Fusion Energy 2005

Woodruff, S.; Cohen, B.I.; Hooper, E.B.; Mclean, H.S.; Stallard, B.W.; Hill, D.N.; Holcomb, C.T.; Romero-Talamas, C.; Wood, R.D.; Cone, G.; Sovinec, C.R. Controlled and spontaneous magnetic field generation in a gun-driven spheromak Physics of Plasmas,  v 12, n 5,  May 2005, p 52502-1-13

Woodruff, S.; Stallard, B.W.; McLean, H.S.; Hooper, E.B.; Bulmer, R.; Cohen, B.I.; Hill,
D.N.; Holcomb, C.T.; Moller, J.; Wood, R.D. Increasing the magnetic helicity content of a plasma by pulsing a magnetized source Physical Review Letters,  v 93, n 20,  12 Nov. 2004, p 205002/1-4

Woodruff, S.; Hill, D.N.; Stallard, B.W.; Bulmer, R.; Cohen, B.; Holcomb, C.T.; Hooper, E.B.; McLean, H.S.; Moller, J.; Wood, R.D. New mode of operating a magnetized coaxial plasma gun for injecting magnetic helicity into a spheromak Physical Review Letters,  v 90, n 9,  7 March 2003, p 095001/1-4

McLean, H.S.; Woodruff, S.; Hooper, E.B.; Bulmer, R.H.; Hill, D.N.; Holcomb, C.; Moller, J.; Stallard,B.W.; Wood, R.D.; Wang, Z. Suppression of MHD fluctuations leading to improved confinement in a gun-driven spheromak Physical Review Letters,  v 88, n 12,  25 March 2002, p 125004/1-4

Woodruff, S.; Nagata, M. Instantaneous current and field structure of a gun-driven spheromak for two gun polarities Plasma Physics and Controlled Fusion,  v 44, n 12,  Dec. 2002, p 2539-53

Contributing Author:

Craig, D.; Goldston, R.; Jarboe, T. R.; Nelson, B. A.; Sovinec, C. R.; Woodruff, S.; Wurden, G; Chair Summaries from the 2006 Innovative Confinement Concepts Workshop Journal of Fusion Energy v 26, n 1/2, June 2007, p3-16

McLean, H.S. Wood, R.D.; Cohen, B.I.; Hooper, E.B.; Hill, D.N.; Moller, J.M.; Romero-Talamas, C.; Woodruff, S. Transport and fluctuations in high temperature spheromak plasmas Physics of Plasmas,  v 13, n 5,  May 2006, p 56105-1-8

Holcomb, C.T.;  Jarboe, T.R.; Hill, D.N.; Woodruff, S.; Wood, R.D. Sustained spheromak coaxial gun operation in the presence of an n=1 magnetic distortion Physics of Plasmas,  v 13, n 2,  Feb. 2006, p 22504-1-6

Umansky M.V.; Bulmer, R.H.; Hill, D.N.; LoDestro, L.L.; McLean, H.S.; Nevins, W.M.; Ryutov, D.D.; Woodruff, Modelling of magnetic perturbations and confinement in SSPX spheromak Umansky, Plasma Physics and Controlled Fusion,  v 48, n 2,  Feb. 2006, p 235-44

Wood, R.D.; Hill, D.N.; Hooper, E.B.; Woodruff, S.; McLean, H.S.; Stallard, B.W. Improved operation of the SSPX spheromak Nuclear Fusion,  v 45, n 12,  Dec. 2005, p 1582-8

Hooper, E.B.; Kopriva, T.A.; Cohen, B.I.; Hill, D.N.; McLean, H.S.; Wood, R.D.; Woodruff, S.; Sovinec, C.R. Magnetic reconnection during flux conversion in a driven spheromak Physics of Plasmas,  v 12, n 9,  Sept. 2005, p 92503-1-11

Wood, R.D.; Hill, D.N.; Hooper, E.B.; McLean, H.S.; Ryutov, D.; Woodruff, S. Comparison of deuterium and hydrogen experiments in the Sustained Spheromak Physics Experiment Journal of Nuclear Materials,  v 337-339,  1 March 2005, p 548-52

Cohen, B.I.; Hooper, E.B.; Cohen, R.H.; Hill, D.N.; McLean, H.S.; Wood, R.D.; Woodruff, S.; Sovinec, C.R.; Cone, G.A. Simulation of spheromak evolution and energy confinement Physics of Plasmas,  v 12, n 5,  May 2005, p 56106-1-9

Cohen, R.H.; Berk, H.L.; Cohen, B.I.; Fowled, T.K.; Hooper, E.B.; LoDestro, L.L.; Morse, E.C.; Pearlstein, L.D.; Rognlien, T.D.; Ryutov, D.D.; Sovinec, C.R.; Woodruff, S.
Theoretical investigation of field-line quality in a driven spheromak Nuclear Fusion,  v 43, n 10,  Oct. 2003, p 1220-34

Stallard, B.W.; Hooper, E.B.; Woodruff, S.; Bulmer, R.H.; Hill, D.N.; McLean, H.S.; Wood, R.D. Magnetic helicity balance in the sustained Spheromak plasma experiment Physics of Plasmas,  v 10, n 7,  July 2003, p 2912-24

Hill, D.N.; Wood, R.D.; Bulmer, R.; McLean, H.S.; Ryutov, D.; Stallard, B.W.; Woodruff, S. Wall conditioning and power balance for spheromak plasmas in SSPX Journal of Nuclear Materials,  v 313-316,  March 2003, p 941-6

Wood, R.D.; Hill, D.N.; Hooper, E.B.; Buchenauer, D.; McLean, H.; Wang, Z.; Woodruff, S.; Wurden, G. Particle control in the sustained spheromak physics experiment Journal of Nuclear Materials,  v 290-293,  March 2001, p 513-17

Buchenauer, D.A.; Mills, B.E.; Wood, R.; Wooduff, S.; Hill, D.N.; Hooper, E.B.; Cowgill, D.F.; Clift, M.W.; Yang, N.Y. Characterization and conditioning of SSPX plasma facing surfaces Journal of Nuclear Materials,  v 290-293,  March 2001, p 1165-70

McLean, H.S.; Ahmed, A.; Buchenauer, D.; Den Hartog, D.; Domier, C.W.; Hill, D.N.; Holcomb, C.; Hooper, E.B.; Morse, E.C.; Nagata, M.; Roh, Y.; Stallard, B.; Wood, R.D.;
Woodruff, S.; Wurden, G.; Wang, Z. Plasma diagnostics for the sustained spheromak physics experiment Review of Scientific Instruments,  v 72, n 1, pt.1-2,  Jan. 2001, p 556-61

Gibson, K.J.; Browning, P.K.; Gee, S.J.; Woodruff, S.; Willett, D.M. Current amplification in SPHEX operated as a spherical tokamak Plasma Physics and Controlled Fusion,  v 42, n 12,  Dec. 2000, p 1331-47

Willett, D.M.; Browning, P.K.; Woodruff, S.; Gibson, K.J. The internal magnetic structure and current drive in the SPHEX spheromak Plasma Physics and Controlled Fusion,  v 41, n 5,  May 1999, p 595-612

Brennan, D.; Browning, P.K.; Van der Linden, R.A.M.; Hood, A.W.; Woodruff, S. Stability studies and the origin of the n=1 mode in the SPHEX spheromak experiment Physics of Plasmas,  v 6, n 11,  Nov. 1999, p 4248-59

Macnab AID, Woodruff, S.  "Simulations of the Supersonic Translation, 
Collision and Merging of Two Field Reversed Configurations for Plasma 
Heating." IEEE Transactions on Plasma Science, To Appear (2008)

MACNAB 

Macnab AID, Milroy RD, Kim CC, Sovinec CR.  “Hall MHD Simulations of End-Shorting Induced Rotation in Field-Reversed Configurations.”  Physics of Plasmas, 2007.

Macnab AID, Barnes DC, Milroy RD, Kim CC, Sovinec CR.  “Simulations of  Field-Reversed Configurations with the NIMROD Code.”  Proceedings of the 2006 Innovative Confinements Concepts Workshop, Journal of Fusion 
Energy.

Vahala G, Carter J, Soe M, Yepez J, Vahala L.  “Performance of Lattice Boltzmann Codes for Navier-Stokes and MHD Turbulence on High-End  Computer Architectures.”  Parallel Computational Fluid Dynamics 2005, Theory and Applications.  Ed. A. Dean.  Oxford: Elsevier Science, 2006

Macnab AID, Vahala G, Vahala L, Carter J, Soe M, Dorland W.  “Non-local closure and parallel performance of lattice Boltzmann models for some plasma physics problems.”  Physica A, 362 48 2006.

Macnab AID, Vahala G, Vahala L.  “Non-Uniform Grid Lattice Boltzmann Simulations of 1-D Dissipative Magnetohydrodynamics.”  Progress in 
Computational Fluid Dynamics.  5, 37, 2005.

Macnab A, Vahala G, Vahala L, Pavlo P.  “A Non-Uniform Grid Lattice  Boltzmann Method for Fluid Flow Simulations.”  30th Conference on Controlled Fusion and Plasma Physics, St. Petersburg, Russia.  
Proceedings published in: ECA, 27A, 2003, 3.188.

Macnab A, Vahala G, Vahala L, Pavlo P, Soe M.  “Some Progress in the Development of Lattice Boltzmann Methods for MHD.”  20th Symposium on Plasma Physics and Technology.  Prague, Czech Republic.  Refereed 
proceedings published in: Czechoslovak Journal of Physics, 52, 2002, 59.

Selected Presentations:

Macnab AID.  Invited speaker: Extended MHD simulations of the origin of rotation in field reversed configurations via the end-shorting mechanism.  Sherwood Fusion Theory Conference, Annapolis, Maryland 2007.

Barnes DC, Macnab AID, Milroy RD, Kim CC, Sovinec CR.  Verification of a Hall MHD Algorithm for NIMROD with the FRC tilt Mode.  47th Annual Meeting of the Division of Plasma Physics of the American Physical Society, Denver, Colorado, 2005.

Macnab AID.  Invited speaker: Fluid Moment Closures Used in Lattice Boltzmann Methods for Landau Damping.  Numerical Methods for Plasma Astrophysics: From Particle Kinetics to MHD, College Park, Maryland, 2004.
 

Publications list for Staff at WS include papers that have appeared in leading journals:

• Physical Review Letters
• Physics of Plasmas
• Plasma Physics and Controlled Fusion
• Journal of Fusion Energy
• Nuclear Fusion
  

Some of our ideas will not appear in print.  However, we try to maintain scientific integrity and excellence by aiming to get good scientific results into good journals.