| Wire tomography in the H-1NF heliac for investigation of fine structure of magnetic islands. | |
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MedLine Citation:
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PMID: 17503917 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Electron beam wire tomography in the H-1NF heliac enables high resolution mapping of vacuum flux surfaces with minimal disruption of the plasma operations schedule. Recent experimental results have proven this technique to be a highly accurate and high resolution method for mapping vacuum magnetic islands. Islands of width as small as delta approximately 8 mm have been measured, providing estimates of the internal rotational transform of the island. Point-to-point comparison of the mapping results with computer tracing, in conjunction with an image warping technique, enables systematic exploration of magnetic islands and surfaces of interest. Recent development of a fast mapping technique significantly reduced the mapping time and made this technique suitable for mapping at higher magnetic fields. This article presents recent experimental results and associated techniques. |
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Authors:
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Santhosh T A Kumar; Boyd D Blackwell; Jeffrey H Harris |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Review of scientific instruments Volume: 78 ISSN: 0034-6748 ISO Abbreviation: Rev Sci Instrum Publication Date: 2007 Jan |
Date Detail:
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Created Date: 2007-05-16 Completed Date: 2007-06-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 013501 Citation Subset: IM |
Affiliation:
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Plasma Research Laboratory, Research School of Physical Sciences and Engineering, The Australian National University, Canberra ACT 0200, Australia. santhosh.kumar@anu.edu.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Electromagnetic Fields* Image Processing, Computer-Assisted* Tomography, X-Ray Computed* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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