Fundamental mode rectangular waveguide system for electron-cyclotron resonant heating (ECRH) for tandem mirror experiment-upgrade (TMX-U)

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We present a brief history of TMX-U's electron cyclotron resonant heating (ECRH) progress. We emphasize the 2-year performance of the system, which is composed of four 200-kW pulsed gyrotrons operated at 28 GHz. This system uses WR42 waveguide inside the vacuum vessel, and includes barrier windows, twists, elbows, and antennas, as well as custom-formed waveguides. Outside the TMX-U vessel are directional couplers, detectors, elbows, and waveguide bends in WR42 rectangular waveguide. An arc detector, mode filter, eight-arm mode converter, and water load in the 2.5-in. circular waveguide are attached directly to the gyrotron. Other specific areas discussed include the operational … continued below

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5 pages

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Rubert, R.R.; Felker, B.; Stallard, B.W. & Williams, C.W. December 1, 1983.

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We present a brief history of TMX-U's electron cyclotron resonant heating (ECRH) progress. We emphasize the 2-year performance of the system, which is composed of four 200-kW pulsed gyrotrons operated at 28 GHz. This system uses WR42 waveguide inside the vacuum vessel, and includes barrier windows, twists, elbows, and antennas, as well as custom-formed waveguides. Outside the TMX-U vessel are directional couplers, detectors, elbows, and waveguide bends in WR42 rectangular waveguide. An arc detector, mode filter, eight-arm mode converter, and water load in the 2.5-in. circular waveguide are attached directly to the gyrotron. Other specific areas discussed include the operational performance of the TMX-U pulsed gyrotrons, windows and component arcing, alignment, mode generation, and extreme temperature variations. Solutions for a number of these problems are described.

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5 pages

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NTIS, PC A02/MF A01; 1.

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  • 10. symposium on fusion engineering, Philadelphia, PA, USA, 5 Dec 1983

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  • Other: DE84009085
  • Report No.: UCRL-89241
  • Report No.: CONF-831203-131
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5206768
  • Archival Resource Key: ark:/67531/metadc1061667

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  • December 1, 1983

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  • Jan. 22, 2018, 7:23 a.m.

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Rubert, R.R.; Felker, B.; Stallard, B.W. & Williams, C.W. Fundamental mode rectangular waveguide system for electron-cyclotron resonant heating (ECRH) for tandem mirror experiment-upgrade (TMX-U), article, December 1, 1983; California. (https://digital.library.unt.edu/ark:/67531/metadc1061667/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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