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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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e318cfd78b6e2deddfca0aea0dcae474
https://doi.org/10.1109/tps.2016.2578461
https://doi.org/10.1109/tps.2016.2578461
Autor:
Raul García Gomez, John B. Caughman, S. K. Combs, Miguel Navarro Santana, K. J. McCarthy, N. Panadero, Ioanna Arapoglou, Jose Luis Velasco Garasa, Maria Carmen Rodriguez Fernandez, C.R. Foust, Felix Martín Hernandez, Ignacio Pastor Diaz, Eduardo de la Cal, Julio Hernandez Sanchez
Publikováno v:
Proceedings of 1st EPS conference on Plasma Diagnostics — PoS(ECPD2015).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45bcaa3862d5571811d77e2547bb591b
https://doi.org/10.22323/1.240.0134
https://doi.org/10.22323/1.240.0134
Autor:
Hideyuki Hayashi, J.M. Hernández Sánchez, N. Panadero, A. Soleto, C.R. Foust, Naoki Tamura, Regina Garcia, K. J. McCarthy, S.K. Combs, Ewa Pawelec, M. Navarro
Publikováno v:
Review of Scientific Instruments
A tracer-encapsulated solid pellet (TESPEL) injection system for the TJ-II stellarator was recently developed. In order to reduce the time and cost for the development, we combined a TESPEL injector provided by National Institute for Fusion Science w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50feb59f8d48951f9d7e57f3e3a396f5
Autor:
C.R. Foust, S.K. Combs, T. C. Jernigan, Nicolas Jc Commaux, Jacob Leachman, Steven J. Meitner, Larry R. Baylor
Publikováno v:
Scopus-Elsevier
A special single-shot pellet injection system that produces and accelerates large cryogenic pellets (~16mm diameter and composed of D2 or Ne) to relatively high speeds (>300 and 600 m/s, respective...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a8729897cc398f37c3b63d043a75178
https://doi.org/10.13182/fst60-473
https://doi.org/10.13182/fst60-473
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc8aaf6a411790ece5ab3bc1e24a1292
https://doi.org/10.1109/tps.2009.2038781
https://doi.org/10.1109/tps.2009.2038781
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1859d43432ea1bc3f86b92a4c09a36ea
https://doi.org/10.1088/0029-5515/47/11/023
https://doi.org/10.1088/0029-5515/47/11/023
Autor:
Larry R. Baylor, S.K. Combs, David A Rasmussen, S. Maruyama, T. C. Jernigan, P. B. Parks, John Caughman, C.R. Foust, Wayne A Houlberg
Publikováno v:
Nuclear Fusion. 47:443-448
Pellet injection from the inner wall is planned for use in ITER as the primary core fuelling system since gas fuelling is expected to be highly inefficient in burning plasmas. Tests of the inner wall guide tube have shown that 5 mm pellets with up to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc7aaa95a56531db83394713ef0a9923
https://doi.org/10.1088/0029-5515/47/5/008
https://doi.org/10.1088/0029-5515/47/5/008
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a45c248c49ac3d7bbc8f70f769ebcce9
https://doi.org/10.1109/sofe.2015.7482364
https://doi.org/10.1109/sofe.2015.7482364
Autor:
S.K. Combs, M. S. Lyttle, T. Ha, Silvio Migliori, Kirby Logan, Larry R. Baylor, T. Bjorholm, Steven J. Meitner, C.R. Foust, Antonio Frattolillo
Publikováno v:
2015 IEEE 26th Symposium on Fusion Engineering (SOFE).
ITER fueling and Edge Localized Mode (ELM) pacing pellets will be created by punching and chambering pellets with a solenoid operated cutter from an extrudate formed by a twin-screw extruder. The cut pellets are then accelerated down a flight tube by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::892d4169c9dcdee1d0e57038376ed0e7
https://doi.org/10.1109/sofe.2015.7482378
https://doi.org/10.1109/sofe.2015.7482378