Study of a Pulsed Air Flow in a Large Vacuum Chamber by Means of a Commercial Ionization Gauge
- Authors: Gushchin M.E.1, Strikovskiy A.V.1, Loskutov K.N.1, Evtushenko A.A.1, Korobkov S.V.1
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Affiliations:
- Institute of Applied Physics, Russian Academy of Sciences
- Issue: Vol 64, No 1 (2019)
- Pages: 27-33
- Section: Gases and Liquids
- URL: https://journals.rcsi.science/1063-7842/article/view/202616
- DOI: https://doi.org/10.1134/S1063784219010171
- ID: 202616
Cite item
Abstract
A method for creating a pressure gradient by pulsed injection of air into a large vacuum chamber for laboratory simulation of plasma phenomena in a vertically nonuniform atmosphere is proposed. The dynamics of subsonic and transonic air flows at different background chamber pressures is studied. The feasibility of creating and detecting instantaneous pressure drops by more than two orders of magnitude on a scale of about one meter is shown. Features of the operation of the PMI-10-2 ionization gauge used for pressure measurements in a pulsed gas flow are discussed.
About the authors
M. E. Gushchin
Institute of Applied Physics, Russian Academy of Sciences
Email: Korobkov@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950
A. V. Strikovskiy
Institute of Applied Physics, Russian Academy of Sciences
Email: Korobkov@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950
K. N. Loskutov
Institute of Applied Physics, Russian Academy of Sciences
Email: Korobkov@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950
A. A. Evtushenko
Institute of Applied Physics, Russian Academy of Sciences
Email: Korobkov@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950
S. V. Korobkov
Institute of Applied Physics, Russian Academy of Sciences
Author for correspondence.
Email: Korobkov@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950