G
Germán Barrera
Researcher at Complutense University of Madrid
Publications - 14
Citations - 132
Germán Barrera is an academic researcher from Complutense University of Madrid. The author has contributed to research in topics: Beam (structure) & Tokamak. The author has an hindex of 6, co-authored 14 publications receiving 125 citations.
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Journal ArticleDOI
Design of a beam dump for the IFMIF-EVEDA accelerator
Beatriz Brañas,D. Iglesias,F. Arranz,Germán Barrera,N. Casal,Mauricio García,J. Gómez,D. López,J.I. Martínez,F. Martin-Fuertes,Francisco Ogando,Concepcion Oliver,Javier Sanz,Patrick Sauvan,Angel Ibarra +14 more
TL;DR: In this article, a conical beam stop (2.5m length, 30 cm diameter, and 3.5mm thickness) made of copper plus a cylindrical 0.5 m long beam scraper is used for the RFQ and DTL commissioning as well as for the EVEDA accelerator tests.
Journal ArticleDOI
Thermal load calculations at TJ-II vacuum vessel under neutral beam injection
TL;DR: In this article, the neutral beam power transmitted into the helical axis stellarator TJ-II is calculated for the final duct design of TJ-2, where the transmitted beam is intercepted by the first toroid-alfield coil before reaching the plasma.
Journal ArticleDOI
The IFMIF-EVEDA accelerator beam dump design
D. Iglesias,F. Arranz,Jose Manuel Arroyo,Germán Barrera,Beatriz Brañas,N. Casal,Mauricio García,D. López,J.I. Martínez,A. Mayoral,Francisco Ogando,M. Parro,Concepcion Oliver,David Rapisarda,Javier Sanz,Patrick Sauvan,Angel Ibarra +16 more
TL;DR: In this article, the conceptual design for the IFMIFMIF-EVEDA accelerator beam dump is based on a conical beam stop made of OFE copper, which is used to stop the beam at the accelerator exit.
Journal ArticleDOI
Overview of the current status of IFMIF-DONES test cell biological shielding design
Kuo Tian,Begoña Ahedo,Frederik Arbeiter,Germán Barrera,Łukasz Ciupiński,Tamás Dézsi,Jonathan Horne,Dániel Kovács,Joaquin Molla,Fernando Mota,Yuefeng Qiu,Florian Schwab,Marcin Siwek,Mátyás Tóth,Tamás Varga,Angel Ibarra +15 more
TL;DR: In this paper, the design of the lower shielding plug has been further developed by defining the specifications of embedded helium active cooling systems with the support of neutronic simulations, CFD analysis, and remote handling requirements.
Journal ArticleDOI
Structural analysis of the JT-60SA cryostat base
Esther Rincon,Javier Alonso,Germán Barrera,J. Botija,Pilar Fernández,M. Medrano,Germán Santana Pérez,Francisco Ramos,A. Soleto,P. Barabaschi,Enrico Di Pietro,L. Meunier,Akira Sakasai,Kei Masaki,Yusuke Shibama +14 more
TL;DR: In this paper, the structural integrity of the JT-60SA cryostat base has been verified and confirmed utilizing the limit analysis procedure defined in ASME code 2007 Section VIII, Div. 2.