Registration the outflow of liquid jet from capillary into vacuum

Результат исследования: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаярецензирование

Аннотация

Experimental results of observation of ethanol and propylene glycol microjets flowing into a highly rarefied medium (vacuum) through a nozzle are presented. The study of the outflow process was carried out both for horizontal and vertical outflow of liquid from the source in the direction of gravity. The condition was met for maintaining the residual gas background pressure in the discharge chamber much lower than the saturated vapor pressure of the working fluid at the selected discharge temperature. It is established that the flow from a thin capillary or small-diameter nozzle into a vacuum or highly rarefied gas medium differs significantly from the well-studied flow modes into a dense gas medium. It is shown that in all studied regimes the fluid flow is statistically unstable, with a large number of sudden changes in direction, structure, and observed density. The paper describes the main features of such a flow and the conditions for the onset of instability.

Язык оригиналаанглийский
Название основной публикацииInternational Conference on the Methods of Aerophysical Research, ICMAR 2020
РедакторыVasily M. Fomin, Alexander Shiplyuk
ИздательAmerican Institute of Physics Inc.
ISBN (электронное издание)9780735440999
DOI
СостояниеОпубликовано - 24 мая 2021
Событие20th International Conference on the Methods of Aerophysical Research, ICMAR 2020 - Akademgorodok, Novosibirsk, Российская Федерация
Продолжительность: 1 ноя 20207 ноя 2020

Серия публикаций

НазваниеAIP Conference Proceedings
Том2351
ISSN (печатное издание)0094-243X
ISSN (электронное издание)1551-7616

Конференция

Конференция20th International Conference on the Methods of Aerophysical Research, ICMAR 2020
СтранаРоссийская Федерация
ГородAkademgorodok, Novosibirsk
Период01.11.202007.11.2020

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