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Fusion Science and Technology
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Remembering ANS member Gil Brown
Brown
The nuclear community is mourning the loss of Gilbert Brown, who passed away on July 11 at the age of 77 following a battle with cancer.
Brown, an American Nuclear Society Fellow and an ANS member for nearly 50 years, joined the faculty at Lowell Technological Institute—now the University of Massachusetts–Lowell—in 1973 and remained there for the rest of his career. He eventually became director of the UMass Lowell nuclear engineering program. After his retirement, he remained an emeritus professor at the university.
Sukesh Aghara, chair of the Nuclear Engineering Department Heads Organization, noted in an email to NEDHO members and others that “Gil was a relentless advocate for nuclear energy and a deeply respected member of our professional community. He was also a kind and generous friend—and one of the reasons I ended up at UMass Lowell. He served the university with great dedication. . . . Within NEDHO, Gil was a steady presence and served for many years as our treasurer. His contributions to nuclear engineering education and to this community will be dearly missed.”
Dietmar Wagner, Dominik Schmid-Lorch, Jörg Stober, Hendrik Höhnle, Fritz Leuterer, Emanuele Poli, Francesco Monaco, Max Münich, Harald Schütz, ASDEX Upgrade Team
Fusion Science and Technology | Volume 58 | Number 2 | October 2010 | Pages 658-665
Technical Paper | doi.org/10.13182/FST10-A10890
Articles are hosted by Taylor and Francis Online.
The new electron cyclotron resonance heating (ECRH) system at the ASDEX Upgrade tokamak allows for an adjustment of the polarization of the injected ECRH beam during plasma discharges. Three sniffer probes for millimeter wave stray radiation, with broad and polarization insensitive radiation characteristics, have been installed around the torus to monitor nonabsorbed radiation. The influence of varying ECRH-beam polarization on the detected stray radiation is studied. For perpendicular X2 heating the minimum detectable amount of wrong (O2-mode) polarization is found to be 5%. The system also allows full change of polarization from X2 to O2 mode, as it is useful for O2 heating above the X2-mode cutoff. These experiments show a high directivity of the stray radiation due to the toroidally inclined O2-mode injection.
