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ANSTO Publications Online >
ANSTO Publications >
Scientific and Technical Reports >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/281
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| Title: | Magnethohydrodynamic surface and body waves in rectangular and cylindrical geometries. |
| Authors: | Donnelly, IJ |
| Issue Date: | Mar-1982 |
| Publisher: | Australian Nuclear Science and Technology Organisation |
| Abstract: | Low frequency magnetohydrodynamic (MHD) waves are studied in both rectangular slab and cylindrical geometry cavities containing low β plasmas. The plasma density distribution is modelled by an inner region of constant density surrounded by an outer region of lower density and a conducting boundary. The wave frequencies and fields are obtained as functions of the density distribution and the wavenumber components k║and k┴, the lowest frequency wave mode is a surface wave in which the wave fields decrease in magnitude with distance from the interface between the two plasma densities. It has the properties of a shear wave when k┴/k║ is either small or large but is compressive when k┴ is approximately equal to k║. The surface wave does not exist when k┴ = 0. Higher frequency modes have the properties of fast magnetosonic waves at least in the inner density region. |
| URI: | http://apo.ansto.gov.au/dspace/handle/10238/281 |
| ISBN: | 0642597383 |
| Appears in Collections: | Scientific and Technical Reports |
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