Effect of the vacuum vessel on magnetic measurements in TCABR tokamak

M. Y. Kucinski; Yu K. Kuznetsov; E. A.O. Saettone

doi:10.1063/1.1807001

Effect of the vacuum vessel on magnetic measurements in TCABR tokamak

M. Y. Kucinski, Yu K. Kuznetsov, E. A.O. Saettone

Research output: Contribution to journal › Article (Contribution to Journal) › peer-review

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Abstract

Magnetic diagnostics in fusion experiments can be strongly affected by eddy currents induced in the vacuum vessel and in-vessel conducting components. In the present work the effect of the eddy currents on magnetic measurements in the TCABR tokamak with nearly circular plasma shape and rectangular cross section of the vacuum vessel is discussed. A method to find the magnetic field generated by eddy currents, in reply to the magnetic field of plasma currents, is based on expansion of vacuum field in series of toroidal harmonics. The conclusion is that, if the sensors are placed near the vessel, the effect of the vessel is strong and it decreases substantially in the case of sensors located near the plasma boundary at the circular surface. © 2004 American Institute of Physics.

Original language	American English
Pages (from-to)	5038-5040
Number of pages	3
Journal	Review of Scientific Instruments
DOIs	https://doi.org/10.1063/1.1807001
State	Published - 1 Nov 2004
Externally published	Yes

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10.1063/1.1807001

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title = "Effect of the vacuum vessel on magnetic measurements in TCABR tokamak",

abstract = "Magnetic diagnostics in fusion experiments can be strongly affected by eddy currents induced in the vacuum vessel and in-vessel conducting components. In the present work the effect of the eddy currents on magnetic measurements in the TCABR tokamak with nearly circular plasma shape and rectangular cross section of the vacuum vessel is discussed. A method to find the magnetic field generated by eddy currents, in reply to the magnetic field of plasma currents, is based on expansion of vacuum field in series of toroidal harmonics. The conclusion is that, if the sensors are placed near the vessel, the effect of the vessel is strong and it decreases substantially in the case of sensors located near the plasma boundary at the circular surface. {\textcopyright} 2004 American Institute of Physics.",

author = "Kucinski, {M. Y.} and Kuznetsov, {Yu K.} and Saettone, {E. A.O.}",

year = "2004",

month = nov,

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doi = "10.1063/1.1807001",

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journal = "Review of Scientific Instruments",

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publisher = "American Institute of Physics",

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T1 - Effect of the vacuum vessel on magnetic measurements in TCABR tokamak

AU - Kucinski, M. Y.

AU - Kuznetsov, Yu K.

AU - Saettone, E. A.O.

PY - 2004/11/1

Y1 - 2004/11/1

N2 - Magnetic diagnostics in fusion experiments can be strongly affected by eddy currents induced in the vacuum vessel and in-vessel conducting components. In the present work the effect of the eddy currents on magnetic measurements in the TCABR tokamak with nearly circular plasma shape and rectangular cross section of the vacuum vessel is discussed. A method to find the magnetic field generated by eddy currents, in reply to the magnetic field of plasma currents, is based on expansion of vacuum field in series of toroidal harmonics. The conclusion is that, if the sensors are placed near the vessel, the effect of the vessel is strong and it decreases substantially in the case of sensors located near the plasma boundary at the circular surface. © 2004 American Institute of Physics.

AB - Magnetic diagnostics in fusion experiments can be strongly affected by eddy currents induced in the vacuum vessel and in-vessel conducting components. In the present work the effect of the eddy currents on magnetic measurements in the TCABR tokamak with nearly circular plasma shape and rectangular cross section of the vacuum vessel is discussed. A method to find the magnetic field generated by eddy currents, in reply to the magnetic field of plasma currents, is based on expansion of vacuum field in series of toroidal harmonics. The conclusion is that, if the sensors are placed near the vessel, the effect of the vessel is strong and it decreases substantially in the case of sensors located near the plasma boundary at the circular surface. © 2004 American Institute of Physics.

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U2 - 10.1063/1.1807001

DO - 10.1063/1.1807001

M3 - Article (Contribution to Journal)

SN - 0034-6748

SP - 5038

EP - 5040

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

ER -

Effect of the vacuum vessel on magnetic measurements in TCABR tokamak

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