Vortex-ring-induced internal mixing upon the coalescence of initially stationary droplets
Open accessAbstract
The formation of the mushroomlike jet emerging after droplet coalescence is deciphered by studying the growth and detachment of the main vortex ring. A Reynolds number calculated based on the main vortex ring is shown to provide a unified formation criterion for such internal jets.
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IDT tends to decrease with increasing We at fixed Δ owing to enhanced droplet deformation and mixing.
“Figure 6d shows that IDT tends to decrease with increasing We at fixed Δ owing to the enhanced droplet deformation and mixing.25,57,63”
From Droplet collision of hypergolic propellants (2024) · cites this paper as [57]
The dominant chemical effect over the physical effect of enhanced mixing results in smaller size ratios promoting droplet hypergolic ignition.
“Although increasing Δ tends to enhance droplet mixing 25,57,63 and hence the exothermic liquid-phase reaction, which is crucial for droplet heating, vaporization, and combustion, the dominant chemical effect over its physical effect results in smaller size ratios that promote droplet hypergolic ignition.”
From Droplet collision of hypergolic propellants (2024) · cites this paper as [57]
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- Authors
- Xia, X., He, C., Yu, D., Zhao, J., & Zhang, P.
- Affiliations
- Hong Kong Polytechnic University (HK)
- Venue
- Physical Review Fluids
- Publisher
- American Physical Society (APS)
- Published
- 2017-11-29
- Volume
- 2
- Issue
- 11
- ISSN
- 2469-990X (ISSN-L)
- OpenAlex
- W2675098511
- Cited by
- 29
- References
- 66
- Citations by year
- 2026: 5 · 2025: 3 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 3 · 2020: 6 · 2019: 5 · 2018: 2 · 2017: 1
- FWCI
- 3.02
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Physical Review Fluids (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- PolyU Institutional Research Archive (Hong Kong Polytechnic University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- Research Grants Council, University Grants Committee (PolyU 152217/14E, 152651/16E)
- Topics
- Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Heat Transfer
- Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Turbulent Flows
- Physical Sciences › Engineering › Ocean Engineering › Particle Dynamics in Fluid Flows
- Keywords
- vortex rings, droplet coalescence, internal mixing, two-phase flow
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