Zobrazeno 1 - 10
of 27
pro vyhledávání: '"D. O. Sparks"'
Publikováno v:
Thin Solid Films. :583-587
The Mini-Radio Frequency Test Facility (Mini-RFTF) has contributed to helicon plasma source optimization for the Variable Specific Impulse Magnetoplasma Rocket (VASIMR). In this paper, we report how the source, using hydrogen and helium, can be optim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f801d918e728928e5ecd59d44cb4fa8
https://doi.org/10.1016/j.tsf.2005.08.063
https://doi.org/10.1016/j.tsf.2005.08.063
Autor:
C. Alejaldre, C. C. Tsai, G. Marcon, M. Medrano, G. Wolfers, Javier Alonso, Macarena Liniers, E. Sánchez, C. Fuentes, D. O. Sparks, J. Guasp, G.C. Barber, Angela Garcia, M. Acedo, J. Doncel, R. Carrasco
Publikováno v:
Fusion Engineering and Design. 74:249-253
Neutral beam injection (NBI) heating has been used on the TJ-II stellarator for the first time. The beam has a port-through power between 200 and 400 kW and injection energy 28 kV. Beam transmission is limited by beam interception at the injection po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88acb8d880d03f7533dfd3acc0d5921c
https://doi.org/10.1016/j.fusengdes.2005.06.315
https://doi.org/10.1016/j.fusengdes.2005.06.315
Autor:
Mark D. Carter, D. O. Sparks, Frederick W Baity, Yoshitaka Mori, Hieki Nakashima, Richard Goulding
Publikováno v:
Plasma Sources Science and Technology. 13:424-435
A high density (1019 m−3) hydrogen plasma has been sustained successfully in axially non-uniform static magnetic field configurations for frequencies both above and below the high density limit of the lower hybrid resonance frequency (LH-HD). Wave
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb35ba3f38e0300e6eefc23e0a98389d
https://doi.org/10.1088/0963-0252/13/3/009
https://doi.org/10.1088/0963-0252/13/3/009
Autor:
Richard Goulding, Jared P. Squire, Franklin Chang-Diaz, E. F. Jaeger, Mark D. Carter, F.W. Baity, Y. Mori, D. O. Sparks, G.C. Barber, K. F. White
Publikováno v:
ResearcherID
The ability to obtain high plasma densities with high fractional ionization using readily available, low-cost components makes the helicon a candidate plasma source for many applications, including plasma rocket propulsion, fusion component testing,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60366499c0b5cd801181d010d70d4bab
https://doi.org/10.13182/fst03-a11963578
https://doi.org/10.13182/fst03-a11963578
Autor:
F. W. Baity, Mark D. Carter, Yoshitaka Mori, D. O. Sparks, K. F. White, Richard Goulding, Franklin Chang-Diaz, Jared P. Squire, E. F. Jaeger, G.C. Barber
Publikováno v:
Physics of Plasmas. 9:5097-5110
The ability to obtain high plasma densities with high fractional ionization using readily available, low-cost components makes the helicon a candidate plasma source for many applications, including plasma rocket propulsion, fusion component testing,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1aa8c231f7e7104e1f0df63e10aaf680
https://doi.org/10.1063/1.1519539
https://doi.org/10.1063/1.1519539
Autor:
P.V. Pesavento, N. Greenough, S.L. Gray, David A Rasmussen, G. C. Barber, E. Fredd, R.M. Sanabria, Charlotte Barbier, R. H. Goulding, R.L. Moon, D. W. Swain, D. O. Sparks, R. B. Peters, M.P. McCarthy, W. J. Wolframe, Ian Campbell
Publikováno v:
AIP Conference Proceedings.
The ITER Ion Cyclotron Heating and Current Drive System is required to deliver 20 MW of RF Power in the frequency range 40-55 MHz to ITER plasmas for pulse lengths up to 3600 s. Components used in the transmission line and matching system include 305
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b2c3d33b5d96030b763e1fde5e0a36d
https://doi.org/10.1063/1.4864565
https://doi.org/10.1063/1.4864565
Autor:
W. L. Stirling, David A Rasmussen, D. O. Sparks, C. C. Tsai, D. E. Schechter, A. Fadnek, G.C. Barber, P.M. Ryan, S.L. Milora
Publikováno v:
Fusion Technology. 39:1130-1134
Record beta and density values have been obtained at the Small Tight Aspect Ratio Tokamak in the United Kingdom Atomic Energy Agency (UKAEA) Fusion Culham Science Centre by using Oak Ridge National Laboratory's (ORNL's) neutral beam injector for plas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::462da421fd7b55ea3078dc55f9b8b616
https://doi.org/10.13182/fst01-a11963397
https://doi.org/10.13182/fst01-a11963397
Autor:
F. Wally Baity, Jared P. Squire, D. O. Sparks, Mark D. Carter, V. T. Jacobson, Roger D. Bengtson, Franklin R. Chang Díaz, Andrew V. Ilin, Glenn C. Barber, Greg McCaskill, Robert G. Bussell, Richard Goulding, Tim W. Glover
Publikováno v:
Fusion Technology. 35:243-247
The Advanced Space Propulsion Laboratory (ASPL) is developing a Variable Specific Impulse Magnetoplasma Rocket (VASIMR) using a Radio Frequency (RF) heated magnetic mirror operated asymmetrically. The system comprises of three stages: 1) plasma ioniz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6992fd73aa3ace035cf27344ad10b252
https://doi.org/10.13182/fst99-a11963860
https://doi.org/10.13182/fst99-a11963860
Autor:
G.C. Barber, J.R. Haines, M. Liniers, Yueng Kay Martin Peng, S.L. Milora, C. C. Tsai, M. P. S. Nightingale, D. O. Sparks, D. E. Schechter
Publikováno v:
Fusion Technology. 34:558-563
The injection of energetic hydrogen and deuterium atoms has been used to heat plasmas in various fusion experimental devices including tokamaks, mirrors, and stellarators. The neutral beam injection is a proven plasma heating technique for increasing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf5f06fc0cffe203594c8d359e771438
https://doi.org/10.13182/fst98-a11963672
https://doi.org/10.13182/fst98-a11963672
Autor:
R. H. Goulding, T. M. Biewer, J. B. O. Caughman, G. C. Chen, L. W. Owen, D. O. Sparks, Cynthia K. Phillips, James R. Wilson
Publikováno v:
AIP Conference Proceedings.
A high power, high particle flux rf‐based helicon plasma source has been constructed at ORNL and operated at power levels up to 30 kW. High‐density hydrogen and helium plasmas have been produced. The source has been designed as the basis for a li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::477afc9eda2b71209298767c4478c1ff
https://doi.org/10.1063/1.3665029
https://doi.org/10.1063/1.3665029