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Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus

The Magnetic Reynolds Number (MRN) in neon is computed as a function of Neon shock speed. The magnetic field profiles at various positions in the axial run down phase of the INTI Plasma Focus device are measured over a range of pressures from 2 to 20 Torr. These profiles are assessed for good electr...

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主要な著者: Lee, S., Saw, S. H., Lee, P., Rawat, R. S., Devi, K.
フォーマット: 論文
出版事項: Springer US 2013
主題:
QC Physics
オンライン･アクセス:http://eprints.intimal.edu.my/73/
http://link.springer.com/article/10.1007/s10894-012-9521-9
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record_format eprints
spelling my-inti-eprints.732016-10-06T07:01:08Z http://eprints.intimal.edu.my/73/ Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus Lee, S. Saw, S. H. Lee, P. Rawat, R. S. Devi, K. QC Physics The Magnetic Reynolds Number (MRN) in neon is computed as a function of Neon shock speed. The magnetic field profiles at various positions in the axial run down phase of the INTI Plasma Focus device are measured over a range of pressures from 2 to 20 Torr. These profiles are assessed for good electromagnetic coupling including measuring the current per unit current sheet thickness as a comparative measure of current sheet diffusion. It was found that at an axial current sheet speed of over 3.5 cm/μs (corresponding to MRN > 15), the current sheet has a compact profile with current density of 55 kA/cm of sheet thickness whereas at speeds below 2.8 cm/μs (corresponding to MRN < 10) the profile is more diffuse with current density less than 30 kA/cm of sheet thickness. Based on these studies it is proposed to take a speed of 3 cm/μs corresponding to an MRN of 10 as the minimum speed of neon current sheet below which the electromagnetic coupling begins to weaken. Springer US 2013 Article PeerReviewed Lee, S. and Saw, S. H. and Lee, P. and Rawat, R. S. and Devi, K. (2013) Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus. Journal of Fusion Energy, 32 (1). pp. 50-55. ISSN 1572-9591 http://link.springer.com/article/10.1007/s10894-012-9521-9 10.1007/s10894-012-9521-9
institution INTI International University
building INTI Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider INTI International University
content_source INTI Institutional Repository
url_provider http://eprints.intimal.edu.my
topic QC Physics
spellingShingle QC Physics
Lee, S.
Saw, S. H.
Lee, P.
Rawat, R. S.
Devi, K.
Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus
description The Magnetic Reynolds Number (MRN) in neon is computed as a function of Neon shock speed. The magnetic field profiles at various positions in the axial run down phase of the INTI Plasma Focus device are measured over a range of pressures from 2 to 20 Torr. These profiles are assessed for good electromagnetic coupling including measuring the current per unit current sheet thickness as a comparative measure of current sheet diffusion. It was found that at an axial current sheet speed of over 3.5 cm/μs (corresponding to MRN > 15), the current sheet has a compact profile with current density of 55 kA/cm of sheet thickness whereas at speeds below 2.8 cm/μs (corresponding to MRN < 10) the profile is more diffuse with current density less than 30 kA/cm of sheet thickness. Based on these studies it is proposed to take a speed of 3 cm/μs corresponding to an MRN of 10 as the minimum speed of neon current sheet below which the electromagnetic coupling begins to weaken.
format Article
author Lee, S.
Saw, S. H.
Lee, P.
Rawat, R. S.
Devi, K.
author_facet Lee, S.
Saw, S. H.
Lee, P.
Rawat, R. S.
Devi, K.
author_sort Lee, S.
title Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus
title_short Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus
title_full Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus
title_fullStr Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus
title_full_unstemmed Magnetic Reynolds Number and Neon Current Sheet Structure in the Axial Phase of a Plasma Focus
title_sort magnetic reynolds number and neon current sheet structure in the axial phase of a plasma focus
publisher Springer US
publishDate 2013
url http://eprints.intimal.edu.my/73/
http://link.springer.com/article/10.1007/s10894-012-9521-9
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score 13.251813

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