Liquid atomization in a high-speed coaxial gas jet
- Authors: Boiko V.M.1, Nesterov A.Y.1, Poplavski S.V.1
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Affiliations:
- Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
- Issue: Vol 26, No 3 (2019)
- Pages: 385-398
- Section: Article
- URL: https://journals.rcsi.science/1531-8699/article/view/218431
- DOI: https://doi.org/10.1134/S0869864319030077
- ID: 218431
Cite item
Abstract
The paper studies the process of liquid atomization in high-speed gas jets with application to a subject of high-rate fuel nozzles. Experiments were carried out for gas-liquid jet with the central-axis feeding of liquid to the outlet of a confuser-type nozzle with pumping of air in subsonic and supersonic flow regimes. The energy balance approach was developed for describing a gas-liquid jet. This provided us the needed data for comprehensive description of the gasliquid jet: gas velocity field without liquid, shadow visualization of geometry and wavy structure of a jet with liquid and with pure gas, velocity profiles for liquid phase, spray droplet size, spray concentration and spatial distribution. The gas-liquid flow was characterized by Weber number from the time of liquid jet breakup till the final spray.
Keywords
About the authors
V. M. Boiko
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Author for correspondence.
Email: bvm@itam.nsc.ru
Russian Federation, Novosibirsk
A. Yu. Nesterov
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Email: s.poplav@itam.nsc.ru
Russian Federation, Novosibirsk
S. V. Poplavski
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Author for correspondence.
Email: s.poplav@itam.nsc.ru
Russian Federation, Novosibirsk