Technical Physics Letters
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Development of a hot channel for a DC plasma torch
Gadzhiev M.Kh.
1, Pakhomov E.P.1, Petrovskiy V.P.1, Yusupov D. I.
1
1Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, Russia
Email: makhach@mail.ru, damir.i.yusupov@gmail.com
A design of a hot graphite channel for a DC plasma torch has been created, which provides heating of a graphite target to a temperature above 3000 K without the occurrence of "mechanical" erosion due to the creation of a more homogeneous stationary gas flow of argon and nitrogen by a DC plasma torch. It turned out that one screw chamber is sufficient in argon, and in molecular gas (nitrogen) it is necessary to use a screw chamber together with dividers. Keywords: plasma torch, atmospheric entry, graphite, homogeneous gas flow, mass loss rate.
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