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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.”
B. Plaum, G. Gantenbein, W. Kasparek, K. Schwörer, M. Grünert, H. Braune, V. Erckmann, F. Hollmann, L. Jonitz, H. Laqua, G. Michel, F. Noke, F. Purps, A. Bruschi, S. Cirant, F. Gandini, A. G. A. Verhoeven, ECRH Groups
Fusion Science and Technology | Volume 50 | Number 1 | July 2006 | Pages 1-14
Technical Paper | doi.org/10.13182/FST06-A1216
Articles are hosted by Taylor and Francis Online.
This paper reports the results of the high-power tests of a remote-steering-launcher mock-up at 140 GHz, which were performed at the electron cyclotron resonance heating installation for the future stellarator Wendelstein 7-X (W7-X) at Max-Planck-Institut für Plasmaphysik, Greifswald. The mock-up test system consists of a 6.62-m-long square corrugated waveguide with a steerable optic at the entrance and various diagnostics at the exit of the waveguide. A straight launcher and a version with two integrated miter bends were investigated.The ohmic loss of the waveguide was measured via the temperature increase of the waveguide wall and was used to calibrate the calculated angular dependence of the total ohmic losses of the waveguide. Short-pulse radiation pattern measurements with thermographic recording show high beam quality and confirm the steering range of -12...12 deg. The version with two miter bends produces similar results but with an increased level of side lobes.Although the tests were performed under atmospheric pressure, no arcing was observed in the straight waveguide. In the version with the miter bends, however, arcing limited the power and pulse length.
