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Megagauss field generation for high-energy-density plasma science experiments.
Rovang, Dean Curtis
Struve, Kenneth William
Porter, John Larry Jr.
Magnetic Testing.
Magnetic Fields
70 Plasma Physics And Fusion Technology
Plasma Lasers.
Production
Energy Density
Design
Magnet Coils
Plasma Magnetic Testing.
There is a need to generate magnetic fields both above and below 1 megagauss (100 T) with compact generators for laser-plasma experiments in the Beamlet and Petawatt test chambers for focused research on fundamental properties of high energy density magnetic plasmas. Some of the important topics that could be addressed with such a capability are magnetic field diffusion, particle confinement, plasma instabilities, spectroscopic diagnostic development, material properties, flux compression, and alternate confinement schemes, all of which could directly support experiments on Z. This report summarizes a two-month study to develop preliminary designs of magnetic field generators for three design regimes. These are, (1) a design for a relatively low-field (10 to 50 T), compact generator for modest volumes (1 to 10 cm3), (2) a high-field (50 to 200 T) design for smaller volumes (10 to 100 mm3), and (3) an extreme field (greater than 600 T) design that uses flux compression. These designs rely on existing Sandia pulsed-power expertise and equipment, and address issues of magnetic field scaling with capacitor bank design and field inductance, vacuum interface, and trade-offs between inductance and coil designs.
Sandia National Laboratories
United States. Department of Energy.
2008-10-01
Report
32 p.
Text
rep-no: SAND2008-7015
grantno: AC04-94AL85000
doi: 10.2172/944387
osti: 944387
https://digital.library.unt.edu/ark:/67531/metadc893870/
ark: ark:/67531/metadc893870
English