Zobrazeno 1 - 10
of 23
pro vyhledávání: '"W. R. Becraft"'
Publikováno v:
Physical Review A. 45:4036-4044
Nonlinear beam-dynamics calculations are described that account for space-charge and image-charge effects. The calculation technique is explained and, as an illustration, is applied to two elements in an intense beam-combining funnel: an rf rebuncher
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ebb9b44815d75e57bb922b4e2a38a2c
https://doi.org/10.1103/physreva.45.4036
https://doi.org/10.1103/physreva.45.4036
Autor:
J. H. Whealton, C. C. Tsai, H. H. Haselton, W. K. Dagenhart, M. A. Akerman, J. J. Donaghy, W. L. Stirling, W. R. Becraft, D. E. Schechter
Publikováno v:
Review of Scientific Instruments. 61:783-787
The emittances of hydrogen and deuterium negative ion beams produced by volume ion sources have been measured in a transverse plane normal to the beam trajectory. The extraction voltage was varied from 10 to 40 kV, and the transverse magnetic field i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88a00ae76964a84cf8a703eb25c0904d
https://doi.org/10.1063/1.1141494
https://doi.org/10.1063/1.1141494
Publikováno v:
IEEE Thirteenth Symposium on Fusion Engineering.
A concept for a current drive system that is based on negative ions with beam energies >1 MeV is presented. Preliminary physics calculations, which are discussed, show that the core current necessary for stability enhancement can be achieved by beams
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9cb46c72bfb5e0ab4a14e67a9ab9a41
https://doi.org/10.1109/fusion.1989.102483
https://doi.org/10.1109/fusion.1989.102483
Publikováno v:
1990 Plasma Science IEEE Conference Record - Abstracts.
Summary form only given, as follows. A small section of a radiofrequency quadrupole accelerator has been analyzed using both a full three-dimensional beam dynamics code and a more conventional beam dynamics analysis approach represented by the code P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c32bf47e96e58363f580efceb6c65597
https://doi.org/10.1109/plasma.1990.110853
https://doi.org/10.1109/plasma.1990.110853
Autor:
J. J. Donaghy, W. K. Dagenhart, J. H. Whealton, C. C. Tsai, H. H. Haselton, M. A. Akerman, W. R. Becraft, W. L. Stirling, D. E. Schechter
Publikováno v:
Review of Scientific Instruments. 61:658-658
The emittances of hydrogen and deuterium negative ion beams produced by volume ion sources have been measured in a transverse plane normal to the beam trajectory. The extraction voltage was varied from 10 to 40 kV, and the transverse magnetic field i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ecbe8844e2a6bc02213a308b71982e4
https://doi.org/10.1063/1.1141897
https://doi.org/10.1063/1.1141897
Autor:
W. K. Dagenhart H.H. Haselton, J.H. Whealton, R. J. Raridon, K. E. Rothe, M. A. Akerman, G.E. McMichael, G.C. Barber, W. R. Becraft, B.D. Murphy, P.M. Ryan, W. L. Stirling, T.P. Wangler, A. Schempp
Publikováno v:
Fusion Technology. 15:734-739
The next-generation fusion devices based on the tokamak confinement concept are expected to emphasize steady-state operation. Such future reactors may include designs like the International Thermonuclear Experimental Reactor (ITER) and that of the re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e771b18f3301cc6b7c63b23949522d88
https://doi.org/10.13182/fst89-a39783
https://doi.org/10.13182/fst89-a39783
Publikováno v:
Nuclear Science and Engineering. 75:243-257
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba68aeb98ad1c4ba88c7f3e33ec198d9
https://doi.org/10.13182/nse80-a19056
https://doi.org/10.13182/nse80-a19056
Autor:
J.H. Whealton, D.J. Hoffman, A. M. Goswitz, M. A. Bell, W. R. Becraft, F.W. Baity, J. L. Bledsoe, R. J. Raridon, T.L. Owens
Publikováno v:
Fusion Technology. 8:400-404
Using circuit theory and solutions of a scalar twodimensional Laplace equation for the electrostatic potential, we examine various feedthroughs of interest for voltage holding, voltage standing wave ratio (VSWR) and impedance characteristics. Suitabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2224ef633d049cd5b4cb30609cc59b74
https://doi.org/10.13182/fst85-a40077
https://doi.org/10.13182/fst85-a40077
Autor:
D.J. Taylor, b C. W. Blue, S.K. Combs, W. K. Dagenhart, W. L. Gardner, D. E. Schechter, P.M. Ryan, c L. W. Owen, W. L. Stirling, P. H. Hayes, H. H. Haselton, N. S. Ponte, J.A. Moeller, C. R. Stewart, J.H. Whealton, D.J. Hoffman, W. R. Becraft
Publikováno v:
Nuclear Technology - Fusion. 4:1448-1452
Conceptual and preliminary engineering design for the National RF Test Facility at Oak Ridge National Laboratory (ORNL) has been completed. The facility will comprise a single mirror configuration embodying two superconducting development coils from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b08e15a4fe0a9e749af59f298b1ff64
https://doi.org/10.13182/fst83-a23060
https://doi.org/10.13182/fst83-a23060
Publikováno v:
Fusion Technology. 8:559-564
The internal components of magnetic fusion devices must withstand erosion from and high heat flux of energetic plasma particles. The selection of materials for the construction of these components is important to minimize contamination of the plasma.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3af93f979a7c610287cdebade60d1c94
https://doi.org/10.13182/fst85-a40098
https://doi.org/10.13182/fst85-a40098