High-density Z-pinch research

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The linear Z pinch is a plasma configuration which in its simplest form requires no auxiliary magnetic field; an axial current carried by the plasma produces an azimuthal confining field and provides ohmic (resistive) or implosion heating. The Lawson criterion (n tau > 10/sup 20/ m/sup -3/s) and high temperatures (T > 10 keV) must be simultaneously satisfied in any reactor scheme. Early Z-pinch experiments concentrated on the sub-atmospheric fill pressure regime, with 10/sup 19/ m/sup -3/ < n < 10/sup 23/ m/sup -3/ and a corresponding confinement time constraint of 10/sup 1/ s > tau > 10/sup -4/ s. ... continued below

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Pages: 5

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Shlachter, J.S. January 1, 1983.

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Description

The linear Z pinch is a plasma configuration which in its simplest form requires no auxiliary magnetic field; an axial current carried by the plasma produces an azimuthal confining field and provides ohmic (resistive) or implosion heating. The Lawson criterion (n tau > 10/sup 20/ m/sup -3/s) and high temperatures (T > 10 keV) must be simultaneously satisfied in any reactor scheme. Early Z-pinch experiments concentrated on the sub-atmospheric fill pressure regime, with 10/sup 19/ m/sup -3/ < n < 10/sup 23/ m/sup -3/ and a corresponding confinement time constraint of 10/sup 1/ s > tau > 10/sup -4/ s. In addition, these studies involved plasmas formed at the surface of an insulating wall; the plasmas were subsequently pinched inward by the radial j x B force. Following the implosion phase, gross MHD instabilities were invariably observed on a time scale short compared to the required confinement time.

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Pages: 5

Notes

NTIS, PC A02/MF A01.

Source

  • 3. international workshop on plasma focus research, Stuttgart, F.R. Germany, 12 Sep 1983

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  • Other: DE83017311
  • Report No.: LA-UR-83-2311
  • Report No.: CONF-8309147-1
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5768096
  • Archival Resource Key: ark:/67531/metadc1096576

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1983

Added to The UNT Digital Library

  • Feb. 18, 2018, 3:59 p.m.

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  • May 31, 2018, 12:47 p.m.

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Shlachter, J.S. High-density Z-pinch research, article, January 1, 1983; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1096576/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.