Radio-Frequency design of a Lower Hybrid Slotted Waveguide Antenna
作者： Walid Helou , Marc Goniche , Julien Hillairet , František Žáček , Joelle Achard
DOI: 10.1016/J.FUSENGDES.2017.04.011
关键词: Electrical engineering 、 COMPASS tokamak 、 Current (fluid) 、 Computation 、 Magnetic fusion 、 Physics 、 Slotted waveguide 、 Antenna (radio) 、 Radio frequency 、 Power (physics)
摘要: Abstract This paper presents a new type of slow-wave Lower Hybrid Current Drive launcher, based on the Slotted Waveguide Antenna (SWA) concept, which is particularly attractive for use in future magnetic fusion reactors. A low power prototype SWA has been designed COMPASS tokamak at IPP-Prague. The Radio-Frequency (RF) design this hybrid electromagnetic calculations, combining Finite-Element-Method, Mode Matching and RF network computations. Two samples have manufactured with different slot geometries, they first measured air. its feeding circuit discussed manuscript; measurements air are also illustrated.
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