Goryainov V. Yu. 1,2, Voronin A. V. 1
1Ioffe Institute, St. Petersburg, Russia
2Peter the Great Saint-Petersburg Polytechnic University, St. Petersburg, Russia
Email: vgoryainov@mail.ioffe.ru
We propose a method of forming a neutral helium flux using a plasma accelerator. The method consists in the transformation of a dense and cold plasma jet into a gas flow. For this purpose, the plasma was passed through a long channel, in which it could recombine as it moved. As a result of this research, conditions were found in which a jet of neutral helium with a velocity of about ten kilometers per second was mostly released at the outlet of duct. A high-velocity helium jet is planned to be used as part of a helium thermometer for deep probing of near-wall plasma in the Globus-M2 tokamak. Keywords: plasma accelerator, triple recombination, supersonic gas jet.
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