Zobrazeno 1 - 10
of 44
pro vyhledávání: '"D. T. Fehling"'
Solidification and Acceleration of Large Cryogenic Pellets Relevant for Plasma Disruption Mitigation
Autor:
T. Ha, T. E. Gebhart, M. S. Lyttle, Larry R. Baylor, D. T. Fehling, J. T. Fisher, T. R. Younkin, C.R. Foust, John Caughman, S.K. Combs, Steven J. Meitner
Publikováno v:
IEEE Transactions on Plasma Science. 44:1506-1513
The technology for producing, accelerating, and shattering large pellets (before injection into plasmas) for disruption mitigation has been under development at the Oak Ridge National Laboratory for several years, including a system on DIII-D that ha
Autor:
J. H. Harris, O. Meyer, C. Christopher Klepper, K. Davda, A. L. Neff, Ezekial A Unterberg, D. T. Fehling, J.-Y. Pascal
Publikováno v:
Journal of Instrumentation. 15:C02045-C02045
Fast response acquisition of atomic line emission through the use of a filterscope has been implemented on the WEST tokamak at multiple poloidal locations. Filterscopes consist of a fiber-optic-based transmission from the tokamak to specifically engi
Autor:
T.C. Jernigan, S.K. Combs, C.R. Foust, J. M. McGill, Larry R. Baylor, D. T. Fehling, David A Rasmussen, John Caughman, Nicolas Jc Commaux, Paul Parks, Steven J. Meitner
Publikováno v:
IEEE Transactions on Plasma Science. 38:400-405
Injection of massive quantities of noble gases or D2 has proven to be effective at mitigating some of the deleterious effects of disruptions in tokamaks. Two alternative methods that might offer some advantages over the present technique for massive
Autor:
N.H. Brooks, C.R. Foust, Paul Parks, G. L. Schmidt, T.C. Jernigan, Wayne A Houlberg, Larry R. Baylor, D. T. Fehling, G. Antar, S.K. Combs
Publikováno v:
Nuclear Fusion. 47:1598-1606
Deuterium pellets have been injected into plasmas in the DIII-D tokamak from the inner wall, top, and outer midplane port locations to investigate fuelling efficiency, mass deposition and interaction with edge localized modes (ELMs). Pellets injected
Autor:
John Caughman, S.K. Combs, C.R. Foust, T. R. Younkin, Larry R. Baylor, M. S. Lyttle, D. T. Fehling, Steven J. Meitner, T. E. Gebhart, T. Ha, J. T. Fisher
Publikováno v:
2015 IEEE 26th Symposium on Fusion Engineering (SOFE).
The technology for producing, accelerating, and shattering large pellets (before injection into plasmas) for disruption mitigation has been under development at the Oak Ridge National Laboratory for several years, including a system on DIII-D that ha
Autor:
T.C. Jernigan, S.K. Combs, M. Watson, C.R. Foust, John Caughman, J.A. Ridenour, Larry R. Baylor, D. T. Fehling, David A Rasmussen, S. Maruyama, J. M. McGill
Publikováno v:
Fusion Engineering and Design. :691-696
Injection of solid hydrogen pellets from the magnetic high-field side will be the primary technique for depositing fuel particles into the core of International Thermonuclear Experimental Reactor (ITER) burning plasmas. This injection scheme will req
Autor:
B. E. Chapman, Max Wyman, S.P. Oliva, D. L. Brower, Weixing Ding, P.W. Fisher, S.K. Combs, John B Wilgen, David A Rasmussen, C.R. Foust, Bihe Deng, Stewart C. Prager, S. D. Terry, J. S. Sarff, Larry R. Baylor, D. T. Fehling
Publikováno v:
Fusion Science and Technology. 44:513-517
A compact pellet injection system that was recently developed at the Oak Ridge National Laboratory has been installed on the Madison Symmetric Torus (MST) at University of Wisconsin and used in initial plasma fueling experiments. The system, referred
Autor:
N. Kafle, David Donovan, H. Ray, Juan Caneses, D. T. Fehling, Richard Goulding, Ian H. Campbell, R.C. Isler, M. Showers, Elijah Martin, Andy Fadnek, Timothy Bigelow, Juergen Rapp, S. J. Diem, Kun Wang, C. J. Beers, T. M. Biewer, Chad M. Parish, G.C. Shaw, John Caughman
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 35:03E114
Plasma-facing materials in the divertor of a magnetic fusion reactor have to tolerate steady state plasma heat fluxes in the range of 10 MW/m2 for ∼107 s, in addition to fusion neutron fluences, which can damage the plasma-facing materials to high
Autor:
David A Rasmussen, Steven J. Meitner, R. C. Duckworth, W. D. McGinnis, J. M. McGill, D. T. Fehling, S. K. Combs, L. R. Baylor
Publikováno v:
AIP Conference Proceedings.
Long pulse plasma operation on large magnetic fusion devices require multiple forms of cryogenically formed pellets for plasma fueling, on-demand edge localized mode (ELM) triggering, radiative cooling of the divertor, and impurity transport studies.