Session GO6: Z Pinches

9:30 AM–12:30 PM, Tuesday, November 15, 2011
Room: Ballroom G

Chair: Stephanie Hansen, Sandia National Laboratories

Abstract ID: BAPS.2011.DPP.GO6.14

Abstract: GO6.00014 : Deuterium Gas-Puff Z-Pinch on GIT-12 Generator

12:06 PM–12:18 PM

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Authors:

  Daniel Klir
    (Czech Technical University in Prague)

  Jozef Kravarik
    (Czech Technical University in Prague)

  Pavel Kubes
    (Czech Technical University in Prague)

  Karel Rezac
    (Czech Technical University in Prague)

  Alexander Shishlov
    (HCEI in Tomsk)

  Vladimir Kokshenev
    (HCEI in Tomsk)

  Nicolai Ratakhin
    (HCEI in Tomsk)

  Boris Kovalchuk
    (HCEI in Tomsk)

  Aleksey Labetsky
    (HCEI in Tomsk)

  Nikolay Kurmaev
    (HCEI in Tomsk)

  Fedor Fursov
    (HCEI in Tomsk)

Deuterium gas-puff experiments have been carried out on the GIT-12 generator at the High Current Electronics Institute in Tomsk. During the initial experiment in May 2011, we used mainly double shell gas puffs with the outer and inner diameter of 100 and 30~mm, respectively. Single shell and shell-on-solid fill gas puffs were, however, also tested. The linear mass density of deuterium varied between 50 and 80 $\mu$g/cm. When a plasma-opening-switch (POS) was used, the current reached the peak of above 2.5~MA within 300~ns. The peak neutron yield from D(d,n)$^{3}$He reactions exceeded 10$^{11}$. In all shots, the neutron emission started during the stagnation. At the beginning of the neutron production, there was the correlation between the neutron emission and soft X-rays. Nevertheless, the peak of the neutron emission occurred 50~ns after the soft X-ray peak. At this very moment, hard X-rays above 1~MeV were detected. In the case of POS, $>800$~keV widths of side-on neutron spectra implied $>200$~keV deuterons moving in the radial direction.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.DPP.GO6.14