Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Douglass Darrow"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 848:87-90
Thin film Faraday cup detectors can provide measurements of fast ion loss from magnetically confined fusion plasmas. These multilayer detectors can resolve the energy distribution of the lost ions in addition to giving the total loss rate. Prior dete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afaeb7f3c3dcbf2ffba8c6e5f9845e5f
https://doi.org/10.1016/j.nima.2016.12.007
https://doi.org/10.1016/j.nima.2016.12.007
Autor:
Douglass Darrow
Publikováno v:
Fusion Science and Technology. 71:201-206
A scintillator-type fast ion loss detector (FILD) measures the gyroradius and pitch angle distribution of superthermal ions escaping from a magnetically confined fusion plasma at a single location. Described here is a technique for optimizing the ang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98cc4ef72fc7482cc8d460e0c6737b6e
https://doi.org/10.13182/fst16-236
https://doi.org/10.13182/fst16-236
Autor:
H. Altmann, L. Pedrick, A. Werner, S. Mukherjee, Douglass Darrow, F. E. Cecil, S. Baeumel, J. Gafert, R. Semler, Robert Ellis, Vasily Kiptily, Jet-Efda Contributors
Publikováno v:
Fusion Engineering and Design. 74:853-857
In a future magnetic fusion reactor alpha particles will be utlilized for plasma heating. In order to achieve a high efficiency of this process, the aim has to be a good confinement of alpha particles. Therefore, direct measurement of alpha particle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::617eb9d7fe509677e464afab120d3b95
https://doi.org/10.1016/j.fusengdes.2005.06.120
https://doi.org/10.1016/j.fusengdes.2005.06.120
Autor:
Jet-Efda Contributors, J. Gafert, Vasily Kiptily, F. E. Cecil, Andreas Werner, L. Pedrick, S. Baeumel, H. Altmann, R. Semler, S. Mukherjee, Robert Ellis, Douglass Darrow
Publikováno v:
Review of Scientific Instruments. 75:3563-3565
Good confinement of alpha particles in a large magnetic fusion device is a precondition for building a magnetic fusion reactor. The direct measurement of alpha particle losses is of particular interest. Appropriate diagnostics are now being prepared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbe49a263abdf4147c02734e2ee19a87
https://doi.org/10.1063/1.1787916
https://doi.org/10.1063/1.1787916
Autor:
Douglass Darrow, R. Sartori, Giuseppe Gorini, C. Perez von Thun, G. Saibene, V. Goloborod'ko, Vasile Zoita, Andrea Murari, M. Tardocchi, S. D. Pinches, Teddy Craciunescu, D. B. Syme, Sergey Popovichev, S. E. Sharapov, P. de Vries, D. N. Borba, M. Reich, Vasily Kiptily, Marco Cecconello, F. Nabais, Jet-Efda Contributors, V.A. Yavorskij, V.V. Parail, P. J. Lomas, A. Salmi, F. E. Cecil, Thomas Johnson
Publikováno v:
Nuclear Fusion, v.49 (2009)
Nuclear Fusion
Nuclear fusion 49 (2009): 065030. doi:10.1088/0029-5515/49/6/065030
info:cnr-pdr/source/autori:V.G. Kiptily; C.P. Perez von Thun; S.D. Pinches; S.E. Sharapov; D. Borba; F.E. Cecil; D. Darrow; V. Goloborod'ko; T. Craciunescu; T. Johnson; F. Nabais; M. Reich; A. Salmi; V. Yavorskij; M. Cecconello; G. Gorini; P. Lomas; A. Murari; V. Parail; S. Popoviche; G. Saibene; R. Sartori; D.B. Syme; M. Tardocchi; P. de Vries; V.L. Zoita; and JET-EFDA Contributors/titolo:Recent progress in fast ion studies on JET/doi:10.1088%2F0029-5515%2F49%2F6%2F065030/rivista:Nuclear fusion/anno:2009/pagina_da:065030/pagina_a:/intervallo_pagine:065030/volume:49
Nuclear Fusion
Nuclear fusion 49 (2009): 065030. doi:10.1088/0029-5515/49/6/065030
info:cnr-pdr/source/autori:V.G. Kiptily; C.P. Perez von Thun; S.D. Pinches; S.E. Sharapov; D. Borba; F.E. Cecil; D. Darrow; V. Goloborod'ko; T. Craciunescu; T. Johnson; F. Nabais; M. Reich; A. Salmi; V. Yavorskij; M. Cecconello; G. Gorini; P. Lomas; A. Murari; V. Parail; S. Popoviche; G. Saibene; R. Sartori; D.B. Syme; M. Tardocchi; P. de Vries; V.L. Zoita; and JET-EFDA Contributors/titolo:Recent progress in fast ion studies on JET/doi:10.1088%2F0029-5515%2F49%2F6%2F065030/rivista:Nuclear fusion/anno:2009/pagina_da:065030/pagina_a:/intervallo_pagine:065030/volume:49
This paper presents recent results on fast ion studies on JET. A set of diagnostics for both confined and lost fast ions was employed for investigating the response of fast ions to MHD modes and for studying their behaviour in plasmas with toroidal f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb13a7f3646745ad363b483611fe5a84
http://edoc.mpg.de/432091
http://edoc.mpg.de/432091
Autor:
S. Bauumel, Robert Ellis, A. Werner, F. E. Cecil, L. Pedrick, Vasily Kiptily, Douglass Darrow
A thin foil Faraday cup array is being built to measure the loss of 3.5 MeV alpha particles and MeV ion cyclotron heating (ICH) tail ions on JET. It will consist of nine detectors spread over five different poloidal locations and three radial positio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::266b92f937121f12f385ff0c86ec251c
https://doi.org/10.2172/827927
https://doi.org/10.2172/827927
Autor:
Douglass Darrow, Nikolai Gorelenkov, K. Schoepf, V.Ya. Goloborod'ko, U. Holzmueller-Steinacker, S.N. Reznik, V.A. Yavorskij
Transport processes of fast ions in axisymmetric low-aspect-ratio spherical torus (ST) plasmas are investigated, which are induced by the non-conservation of the magnetic moment {mu}. The reason for non-conservation of {mu} of fast ions in ST's is th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c07095dea5ca08f8923c9428859a129
https://doi.org/10.2172/808380
https://doi.org/10.2172/808380
Autor:
Alvin L. Roquemore, Douglass Darrow, Haruna Minato, Mitsutaka Isobe, Kunihiro Morishima, Hideki Tomita, Kunihoro Ogawa
Publikováno v:
Plasma and Fusion Research. 8:2402068
The technology for OPERA experiments in neutrino physics was applied to neutral-beam-heated deuterium discharges of NSTX in order to measure d-d neutron emission profile. The diagnostic system consisted of nuclear emulsions named OPERA films and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7da6ec02ae8c6897dfdf0bff66ceef7
http://hdl.handle.net/10655/10167
http://hdl.handle.net/10655/10167
Autor:
Thomas Gassner, E. Cecil, Douglass Darrow, Vasily Kiptily, Jet-Efda Contributors, B. Alper, V.A. Yavorskij, Christian Perez Von Thun, William Morris, S. E. Sharapov, V. Goloborod'ko, J. Mailloux, Carl Hellesen, S. D. Pinches
Publikováno v:
Plasma and Fusion Research. 8:2502071-2502071
JET-EFDA, Culham Science Centre, OX14 3DB, Abingdon, United Kingdom 1)EURATOM / CCFE Fusion Association, Culham Science Centre, Abingdon, United Kingdom 2)Euratom/OEAW Association, ITP, University of Innsbruck, Austria 3)JET-EFDA Close Support Unit,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::310e1eb6423301824592427569435003
https://doi.org/10.1585/pfr.8.2502071
https://doi.org/10.1585/pfr.8.2502071
Autor:
Satoshi Yamamoto, Yusuke Nakayama, Kunihiro Ogawa, Douglass Darrow, Mitsutaka Isobe, Takumi Sano
Publikováno v:
Plasma and Fusion Research. 8:2402128-2402128
A lost fast-ion probe based on thin Faraday films (FLIP) is designed to measure fast-ion losses caused by fast-ion-driven MHD modes as well as magnetic field ripples in Heliotron J. The FLIP works as a magnetic spectrometer providing the energy and p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::831d2da55f1909415bc57c26d2586523
https://doi.org/10.1585/pfr.8.2402128
https://doi.org/10.1585/pfr.8.2402128