On the Experiment of Electron Cyclotron Resonance Heating in the Central Cell of the GAMMA 10 Tandem Mirror

To increase the electron temperature of the plasma in the central cell, electron cyclotron resonance heating (c-ECH) is applied. It is observed that both the density and temperature of the plasma decrease during the time of c-ECH, especially in the phase of wall conditioning. To understand the obtai...

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Published inFusion science and technology Vol. 51; no. 2T; pp. 316 - 318
Main Authors Islam, M. K., Nakashima, Y., Higashizono, Y., Cho, T.
Format Journal Article
LanguageEnglish
Published Taylor & Francis 01.02.2007
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Abstract To increase the electron temperature of the plasma in the central cell, electron cyclotron resonance heating (c-ECH) is applied. It is observed that both the density and temperature of the plasma decrease during the time of c-ECH, especially in the phase of wall conditioning. To understand the obtained results, plasma parameters including the H α measurements at the central and anchor cells are studied. Simulation on magnetohydrodynamical (MHD) stability of GAMMA 10 is also done. It is suggested that sufficient β value of the plasma in the anchor cell during c-ECH is necessary for MHD stability of the GAMMA 10 plasma. Related problem to increase the β value of the plasma in the anchor cell is pointed out.
AbstractList To increase the electron temperature of the plasma in the central cell, electron cyclotron resonance heating (cECH) is applied. It is observed that both the density and temperature of the plasma decrease during the time of cECH, especially in the phase of wall conditioning. To understand the obtained results, plasma parameters including the Ha measurements at the central and anchor cells are studied Simulation on magnetohydrodynamical (MHD) stability of GAMMA 10 is also done. It is suggested that sufficient fl value of the plasma in the anchor cell during c-ECH is necessary for MHD stability of the GAMMA 10 plasma. Related problem to increase the /3 value of the plasma in the anchor cell is pointed out.
To increase the electron temperature of the plasma in the central cell, electron cyclotron resonance heating (c-ECH) is applied. It is observed that both the density and temperature of the plasma decrease during the time of c-ECH, especially in the phase of wall conditioning. To understand the obtained results, plasma parameters including the H α measurements at the central and anchor cells are studied. Simulation on magnetohydrodynamical (MHD) stability of GAMMA 10 is also done. It is suggested that sufficient β value of the plasma in the anchor cell during c-ECH is necessary for MHD stability of the GAMMA 10 plasma. Related problem to increase the β value of the plasma in the anchor cell is pointed out.
Author Nakashima, Y.
Higashizono, Y.
Cho, T.
Islam, M. K.
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Cites_doi 10.1016/0022-3115(84)90401-X
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10.1103/PhysRevLett.70.2734
10.1143/JPSJ.69.2493
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10.1063/1.861189
10.1103/PhysRevLett.55.939
10.1088/0029-5515/43/9/316
10.1103/PhysRevLett.82.1169
10.1088/0029-5515/28/5/005
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References CIT0010
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CHO T. (CIT0009) 1985; 2
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  contributor:
    fullname: RYUTOV D. D.
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– volume: 2
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  contributor:
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Snippet To increase the electron temperature of the plasma in the central cell, electron cyclotron resonance heating (c-ECH) is applied. It is observed that both the...
To increase the electron temperature of the plasma in the central cell, electron cyclotron resonance heating (cECH) is applied. It is observed that both the...
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Title On the Experiment of Electron Cyclotron Resonance Heating in the Central Cell of the GAMMA 10 Tandem Mirror
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