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Accuracy improvement in magnetic field modeling for an axisymmetric electromagnet

Author: Andrew V Ilin; Lyndon B. Johnson Space Center.
Publisher: Houston, TX : National Aeronautics and Space Administration, Lyndon B. Johnson Space Center, 2000.
Series: NASA technical paper, 2000-210194.
Edition/Format:   Print book : National government publication : EnglishView all editions and formats
Summary:
This paper examines the accuracy and calculation speed for the magnetic field computation in an axisymmetric electromagnet. Different numerical techniques, based on an adaptive nonuniform grid, high order finite difference approximations and semi-analitical calculation of boundary conditions are considered. These techniques are being applied to the modeling of the Variable Specific Impulse Magnetoplasma Rocket. For  Read more...
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Details

Material Type: Government publication, National government publication
Document Type: Book
All Authors / Contributors: Andrew V Ilin; Lyndon B. Johnson Space Center.
OCLC Number: 46380573
Notes: "December 2000."
"Performing organization report number S-871"--Report documentation page.
Description: viii, 38 pages : illustrations ; 28 cm.
Series Title: NASA technical paper, 2000-210194.
Responsibility: Andrew V. Ilin [and others].

Abstract:

This paper examines the accuracy and calculation speed for the magnetic field computation in an axisymmetric electromagnet. Different numerical techniques, based on an adaptive nonuniform grid, high order finite difference approximations and semi-analitical calculation of boundary conditions are considered. These techniques are being applied to the modeling of the Variable Specific Impulse Magnetoplasma Rocket. For high-accuracy calculations, a fourth-order scheme offers dramatic advantages over a second-order scheme. For complex physical configurations of interest in plasma propulsion, a second-order scheme with nonuniform mesh gives the best results. Also, the relative advantages of various methods are described when the speed of computation is an important consideration.

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<http:\/\/experiment.worldcat.org\/entity\/work\/data\/1292597973#Series\/nasa_tp<\/a>> # NASA TP ;<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nbgn:PublicationSeries<\/a> ;\u00A0\u00A0\u00A0\nschema:hasPart<\/a> <http:\/\/www.worldcat.org\/oclc\/46380573<\/a>> ; # Accuracy improvement in magnetic field modeling for an axisymmetric electromagnet<\/span>\n\u00A0\u00A0\u00A0\nschema:name<\/a> \"NASA TP ;<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
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<http:\/\/experiment.worldcat.org\/entity\/work\/data\/1292597973#Topic\/magnetic_fields<\/a>> # MAGNETIC FIELDS<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"MAGNETIC FIELDS<\/span>\"@en<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/1292597973#Topic\/magnetic_fields_mathematical_models<\/a>> # Magnetic fields--Mathematical models<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:hasPart<\/a> <http:\/\/id.loc.gov\/authorities\/subjects\/sh85079703<\/a>> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Magnetic fields--Mathematical models<\/span>\"@en<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/1292597973#Topic\/magnets<\/a>> # MAGNETS<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"MAGNETS<\/span>\"@en<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/1292597973#Topic\/mathematical_models<\/a>> # MATHEMATICAL MODELS<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"MATHEMATICAL MODELS<\/span>\"@en<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
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<http:\/\/id.loc.gov\/vocabulary\/countries\/txu<\/a>>\u00A0\u00A0\u00A0\u00A0a \nschema:Place<\/a> ;\u00A0\u00A0\u00A0\ndcterms:identifier<\/a> \"txu<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/id.worldcat.org\/fast\/1005700<\/a>> # Magnetic fields--Mathematical models<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Magnetic fields--Mathematical models<\/span>\"@en<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/id.worldcat.org\/fast\/1066262<\/a>> # Plasma (Ionized gases)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Plasma (Ionized gases)<\/span>\"@en<\/a> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/viaf.org\/viaf\/155896317<\/a>> # Lyndon B. Johnson Space Center.<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Organization<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Lyndon B. Johnson Space Center.<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/viaf.org\/viaf\/33776141<\/a>> # Andrew V. Ilin<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Ilin<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Andrew V.<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Andrew V. Ilin<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
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