Using compact gas-dynamic stands for modeling the expansion of supersonic jets in vacuum

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Abstract

The possibility of experimental simulation of supersonic jets expansion from spacecraft nozzles on compact experimental installations with a comparatively low capacity of vacuum pumping systems is considered. The experience of the Novosibirsk State University on the use of various variants of simulation of gas-dynamic jets is expounded. Examples of measurements of supersonic jets that flow from supersonic nozzles to vacuum and into a highly rarefied medium are presented. The results of spectral luminescence measurements excited by a focused electron beam, longitudinal and transverse density profiles of jets using modern scanning techniques, as well as photographic images of jets using a modulated electron beam technique are considered. The possibilities and peculiarities of each registration method are discussed.

Original languageEnglish
Title of host publication19th International Conference on the Methods of Aerophysical Research, ICMAR 2018
Editors Fomin
PublisherAmerican Institute of Physics Inc.
Number of pages6
Volume2027
ISBN (Electronic)9780735417472
DOIs
Publication statusPublished - 2 Nov 2018
Event19th International Conference on the Methods of Aerophysical Research, ICMAR 2018 - Akademgorodok, Novosibirsk, Russian Federation
Duration: 13 Aug 201819 Aug 2018

Publication series

NameAIP Conference Proceedings
PublisherAMER INST PHYSICS
Volume2027
ISSN (Print)0094-243X

Conference

Conference19th International Conference on the Methods of Aerophysical Research, ICMAR 2018
CountryRussian Federation
CityAkademgorodok, Novosibirsk
Period13.08.201819.08.2018

Keywords

  • PULSED LAVAL NOZZLE
  • APPARATUS
  • ISOPRENE
  • KINETICS
  • DESIGN
  • VALVE
  • OH

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