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Radio-Frequency design of a Lower Hybrid Slotted Waveguide Antenna.

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Title: Radio-Frequency design of a Lower Hybrid Slotted Waveguide Antenna.
Authors: Helou, Walid1 walid.helou@cea.fr, Goniche, Marc1, Hillairet, Julien1, Žáček, František2, Achard, Joëlle1, Adámek, Jiří2, Bogar, Ondrej2, Mollard, Patrick1, Pascal, Jean-Yves1, Poli, Serge1, Šesták, David2, Volpe, Robert1, Zajac, Jaromír2
Source: Fusion Engineering & Design. Oct2017, Vol. 123, p223-227. 5p.
Subjects: Waveguide antennas, Fusion reactors, Tokamaks, Radio frequency power transmission, Phased array antennas
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 the use in future magnetic fusion reactors. A low power prototype SWA has been designed for the COMPASS tokamak at IPP-Prague. The Radio-Frequency (RF) design of this low power prototype is based on hybrid electromagnetic calculations, combining Finite-Element-Method, Mode Matching and RF network computations. Two SWA prototype samples have been manufactured with different slot geometries, and they have been first measured in air. The RF design of the low power SWA prototype and its feeding circuit is discussed in this manuscript; measurements in air are also illustrated. [ABSTRACT FROM AUTHOR]
Copyright of Fusion Engineering & Design is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 126209957
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Radio-Frequency design of a Lower Hybrid Slotted Waveguide Antenna.
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  Data: <searchLink fieldCode="AR" term="%22Helou%2C+Walid%22">Helou, Walid</searchLink><relatesTo>1</relatesTo><i> walid.helou@cea.fr</i><br /><searchLink fieldCode="AR" term="%22Goniche%2C+Marc%22">Goniche, Marc</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hillairet%2C+Julien%22">Hillairet, Julien</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Žáček%2C+František%22">Žáček, František</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Achard%2C+Joëlle%22">Achard, Joëlle</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Adámek%2C+Jiří%22">Adámek, Jiří</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Bogar%2C+Ondrej%22">Bogar, Ondrej</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Mollard%2C+Patrick%22">Mollard, Patrick</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pascal%2C+Jean-Yves%22">Pascal, Jean-Yves</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Poli%2C+Serge%22">Poli, Serge</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Šesták%2C+David%22">Šesták, David</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Volpe%2C+Robert%22">Volpe, Robert</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zajac%2C+Jaromír%22">Zajac, Jaromír</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Fusion+Engineering+%26+Design%22">Fusion Engineering & Design</searchLink>. Oct2017, Vol. 123, p223-227. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Waveguide+antennas%22">Waveguide antennas</searchLink><br /><searchLink fieldCode="DE" term="%22Fusion+reactors%22">Fusion reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Tokamaks%22">Tokamaks</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+frequency+power+transmission%22">Radio frequency power transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Phased+array+antennas%22">Phased array antennas</searchLink>
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  Data: 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 the use in future magnetic fusion reactors. A low power prototype SWA has been designed for the COMPASS tokamak at IPP-Prague. The Radio-Frequency (RF) design of this low power prototype is based on hybrid electromagnetic calculations, combining Finite-Element-Method, Mode Matching and RF network computations. Two SWA prototype samples have been manufactured with different slot geometries, and they have been first measured in air. The RF design of the low power SWA prototype and its feeding circuit is discussed in this manuscript; measurements in air are also illustrated. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Fusion Engineering & Design is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.fusengdes.2017.04.011
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        Text: English
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        PageCount: 5
        StartPage: 223
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        Type: general
      – SubjectFull: Fusion reactors
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      – SubjectFull: Tokamaks
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      – SubjectFull: Radio frequency power transmission
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      – SubjectFull: Phased array antennas
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              Text: Oct2017
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