Measurements of the parameters of a condensed deuterated Z-pinch on the angara-5-1 facility


Citar

Texto integral

Acesso aberto Acesso aberto
Acesso é fechado Acesso está concedido
Acesso é fechado Somente assinantes

Resumo

Results are presented from measurements of the parameters of high-temperature plasma in the Z-pinch neck formed when a current of up to 3.5 MA flows through a low-density polymer load. To enhance the effect of energy concentration, a deuterated microporous polyethylene neck with a mass density of 100 mg/cm3 and diameter of 1–1.3 mm was placed in the central part of the load. During the discharge current pulse, short-lived local hot plasma spots with typical dimensions of about 200–300 μm formed in the neck region. Their formation was accompanied by the generation of soft X-ray pulses with photon energies of E > 0.8 keV and durations of 3–4 ns. The plasma electron temperature in the vicinity of the hot spot was measured from the vacuum UV emission spectra of the iron diagnostic admixture and was found to be about 200–400 eV. The appearance of hot plasma spots was also accompanied by neutron emission with the maximum yield of 3 × 1010 neutrons/shot. The neutron energy spectra were studied by means of the time-of-flight method and were found to be anisotropic with respect to the direction of the discharge current.

Sobre autores

V. Aleksandrov

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

V. Bryzgunov

National Research Centre Kurchatov Institute

Email: korolev_vd@nrcki.ru
Rússia, pl. Akademika Kurchatova 1, Moscow, 123182

E. Grabovski

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

A. Gritsuk

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

I. Volobuev

Lebedev Physical Institute

Email: korolev_vd@nrcki.ru
Rússia, Leninskii pr. 53, Moscow, 119991

E. Kazakov

National Research Centre Kurchatov Institute

Email: korolev_vd@nrcki.ru
Rússia, pl. Akademika Kurchatova 1, Moscow, 123182

Yu. Kalinin

National Research Centre Kurchatov Institute

Email: korolev_vd@nrcki.ru
Rússia, pl. Akademika Kurchatova 1, Moscow, 123182

V. Korolev

National Research Centre Kurchatov Institute

Autor responsável pela correspondência
Email: korolev_vd@nrcki.ru
Rússia, pl. Akademika Kurchatova 1, Moscow, 123182

Ya. Laukhin

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

S. Medovshchikov

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

K. Mitrofanov

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

G. Oleinik

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

V. Pimenov

Zelinsky Institute of Organic Chemistry

Email: korolev_vd@nrcki.ru
Rússia, Leninskii pr. 47, Moscow, 119991

E. Smirnova

National Research Centre Kurchatov Institute

Email: korolev_vd@nrcki.ru
Rússia, pl. Akademika Kurchatova 1, Moscow, 123182

G. Ustroev

National Research Centre Kurchatov Institute

Email: korolev_vd@nrcki.ru
Rússia, pl. Akademika Kurchatova 1, Moscow, 123182

I. Frolov

Troitsk Institute for Innovation and Fusion Research

Email: korolev_vd@nrcki.ru
Rússia, Troitsk, Moscow, 142190

Arquivos suplementares

Arquivos suplementares
Ação
1. JATS XML

Declaração de direitos autorais © Pleiades Publishing, Ltd., 2016