Initiation of dusty structures in chain reactions under the action of gyrotron radiation on a mixture of metal and dielectric powders with an open boundary

N. N. Skvortsova; G. V. Ukryukov; A. A. Sorokin; K. A. Sarksyan; D. O. Pozdnyakov; A. E. Petrov; E. A. Obraztsova; A. A. Letunov; L. V. Kolik; E. M. Konchekov; V. D. Borozosekov; G. M. Batanov; S. A. Maiorov; V. D. Stepakhin; D. V. Malakhov; N. K. Kharchev

doi:10.1134/S0021364017160135

Initiation of dusty structures in chain reactions under the action of gyrotron radiation on a mixture of metal and dielectric powders with an open boundary

作者: Skvortsova N.N.¹^,2^,3, Ukryukov G.V.², Sorokin A.A.⁴, Sarksyan K.A.¹, Pozdnyakov D.O.², Petrov A.E.¹^,5, Obraztsova E.A.¹^,2, Letunov A.A.¹, Kolik L.V.¹, Konchekov E.M.¹^,5, Borozosekov V.D.¹^,5, Batanov G.M.¹, Maiorov S.A.¹, Stepakhin V.D.¹^,5, Malakhov D.V.¹^,2^,5, Kharchev N.K.¹
隶属关系:
1. Prokhorov General Physics Institute
2. Moscow Technological University (MIREA)
3. National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
4. Institute of Applied Physics
5. Pirogov Russian National Research Medical University
期: 卷 106, 编号 4 (2017)
页面: 262-267
栏目: Miscellaneous
URL: https://journals.rcsi.science/0021-3640/article/view/160519
DOI: https://doi.org/10.1134/S0021364017160135
ID: 160519

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A dusty plasma formed in chain exothermal reactions initiated by radiation of a high-power gyrotron in mixtures of metal and dielectric powders has been described. An oscillatory character of such chain reactions, as well as the appearance of dust particles at the first (explosive) stage, has been detected. The tracks, velocities, and sizes of dust particles have been measured. It has been revealed that ensembles of dust particles appear in a reactor after switching-off of the gyrotron against the background of development of chemical reactions. The time of existence of these ensembles is three or four orders of magnitude larger than the duration of a microwave radiation pulse. The quasistationary state of the low-temperature plasma with charged macroparticles appears because of both the chemical heating of the mixture in the reactor and thermophoresis. It has been shown that dust particles are necessary as crystallization nuclei for the creation (or deposition) of complex composites of nano- and micromaterials produced in secondary plasma chemical synthesis.

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Initiation of dusty structures in chain reactions under the action of gyrotron radiation on a mixture of metal and dielectric powders with an open boundary

全文:

详细

作者简介

N. Skvortsova

G. Ukryukov

A. Sorokin

K. Sarksyan

D. Pozdnyakov

A. Petrov

E. Obraztsova

A. Letunov

L. Kolik

E. Konchekov

V. Borozosekov

G. Batanov

S. Maiorov

V. Stepakhin

D. Malakhov

N. Kharchev

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