Mirnov oscillations (a.k.a. magnetic oscillations) are amplitude perturbations of the magnetic field in a plasma. It is named after Sergei V. Mirnov who designed a probe to measure these oscillations in 1965. [1] The probe name is Mirnov coil.
Mirnov oscillations have been extensively studied in tokamaks [2] [3] [4] [5] as they provide information about the plasma instabilities that occur within the system. [6] [7] [8] The instabilities create local fluctuations in the current which induce a varying magnetic flux density, and are picked up by the coils due to Faraday's law of induction.
References
- ^ Mirnov, S. V. (1965). "A probe method for measuring the displacement of the current channel in cylindrical and toroidal discharge vessels". Journal of Nuclear Energy C. 7 (3): 325–328. doi: 10.1088/0368-3281/7/3/112. ISSN 0368-3281.
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^ McGuire, K.; Hammett, G. (1982).
"Analysis of Mirnov oscillations on PDX".
{{ cite journal}}: Cite journal requires|journal=( help) - ^ Tan, I. H.; Caldas, I. L.; Nascimento, I. C.; Silva, R. P. Da; Sanada, E. K.; Bruha, R. (1986). "Mirnov Oscillations in a Small Tokamak" (PDF). IEEE Transactions on Plasma Science. 14 (3): 279–281. Bibcode: 1986ITPS...14..279T. doi: 10.1109/TPS.1986.4316542. ISSN 0093-3813. S2CID 12920335.
- ^ Kikuchi, M. (1986). "A note on the Mirnov signal analysis in tokamaks". Nuclear Fusion. 26 (1): 101–107. doi: 10.1088/0029-5515/26/1/009. ISSN 0029-5515. S2CID 122502537.
- ^ Raju, D.; Jha, R.; Kaw, P. K.; Mattoo, S. K.; Saxena, Y. C.; Team, Aditya (2000-11-01). "Mirnov coil data analysis for tokamak ADITYA". Pramana. 55 (5): 727–732. Bibcode: 2000Prama..55..727R. doi: 10.1007/s12043-000-0039-8. ISSN 0973-7111. S2CID 120615200.
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^
Glasser, A. H.; Greene, J. M.; Johnson, J. L. (1975).
"Resistive instabilities in a tokamak".
doi:
10.2172/4183368.
OSTI
4183368.
{{ cite journal}}: Cite journal requires|journal=( help) - ^ Mirnov, S. V.; Semenov, I. B. (1971). "Investigation of the instabilities of the plasma string in the Tokamak-3 system by means of a correlation method". Soviet Atomic Energy. 30 (1): 22–29. doi: 10.1007/BF01788387. ISSN 1573-8205. S2CID 124432349.
- ^ Schittenhelm, M.; Zohm, H. (1997). "Analysis of coupled MHD modes with Mirnov probes in ASDEX Upgrade". Nuclear Fusion. 37 (9): 1255–1270. Bibcode: 1997NucFu..37.1255S. doi: 10.1088/0029-5515/37/9/I06. ISSN 0029-5515. S2CID 250784804.
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