التفاصيل البيبلوغرافية
| العنوان: |
Symmetric multilayer megampere X-pinch. |
| المؤلفون: |
Shelkovenko, T. A., Pikuz, S. A., McBride, R. D., Knapp, P. F., Wilhelm, G., Sinars, D. B., Hammer, D. A., Orlov, N. Yu. |
| المصدر: |
Plasma Physics Reports; Jan2010, Vol. 36 Issue 1, p50-66, 17p, 9 Diagrams, 1 Chart, 6 Graphs |
| مصطلحات موضوعية: |
SYMMETRY (Physics), PINCH effect (Physics), X-rays, CONFIGURATION space, COMBINATORICS, ELECTRIC wire |
| مستخلص: |
Raising the power of X-ray emission from an X-pinch by increasing the pinch current to the megampere level requires the corresponding increase in the initial linear mass of the load. This can be achieved by increasing either the number of wires or their diameter. In both cases, special measures should be undertaken to prevent the formation of a complicated configuration with an uncontrolled spatial structure in the region of wire crossing, because such a structure breaks the symmetry of the neck formed in the crossing region, destabilizes plasma formation, and degrades X-ray generation. To improve the symmetry of the wire crossing region, X-pinch configurations with a regular multilayer arrangement of wires in this region were proposed and implemented. The results of experiments with various symmetric X-pinch configurations on the COBRA facility at currents of ∼1MA are presented. It is shown that an X-pinch with a symmetric crossing region consisting of several layers of wires made of different materials can be successfully used in megampere facilities. The most efficient combinations of wires in symmetric multilayer X-pinches are found in which only one hot spot forms and that are characterized by a high and stable soft X-ray yield. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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