THE DIAGNOSTIC COMPLEX AND EXPERIMENT CONTROL SYSTEM AT THE GDT FACILITY

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Abstract

The Gas Dynamic Trap (GDT) facility is an open magnetic trap for plasma confinement. It is a variation of the Budker-Post mirror machine (probkotron), with the distance between the mirrors exceeding the characteristic path length of ions before scattering into the loss cone, and with a high mirror ratio. Under these conditions, the plasma particle confinement mechanism is similar to that of a collisionless gas in a vessel with a small opening, and the plasma confinement time depends linearly on its length and mirror ratio. These systems have potential for several applications in controlled nuclear fusion, the most immediate of which is the D-T neutron fusion source, capable of producing a neutron flux with a power density of several megawatts per square meter. This is required for the materials science research necessary for the design of the first wall of future fusion reactors. The experimental program of the GDT facility includes the study of kinetic and magnetohydrodynamic plasma instabilities, investigation of the behavior of sloshing ions, additional methods for heating and maintaining the material balance in the trap, and the study of the energy balance of the plasma. The paper describes in detail the GDT facility, its Diagnostic Complex, and control system, which is relevant today.

About the authors

E. I. Soldatkina

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Email: E.I.Soldatkina@inp.nsk.su
Novosibirsk, Russia

P. A. Bagryansky

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

E. D. Gospodchikov

Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences

Nizhny Novgorod, Russia

P. V. Zubarev

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

S. V. Ivanenko

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

A. N. Kvashnin

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

O. A. Korobeynikova

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

L. V. Lubyako

Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences

Nizhny Novgorod, Russia

V. V. Maximov

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

D. V. Moiseev

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

S. V. Murakhtin

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

A. K. Meyster

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

E. I. Pinzhenin

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

V. V. Prikhodko

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

E. A. Puryga

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

A. L. Solomakhin

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

A. D. Khilchenko

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

V. A. Khilchenko

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

T. A. Khusainov

Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences

Nizhny Novgorod, Russia

A. G. Shalashov

Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences

Email: ags@ipfran.ru
Nizhny Novgorod, Russia

E. A. Shmigelsky

Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences

Novosibirsk, Russia

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