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Cited by 164Fluid Dynamics and Heat TransferElectrohydrodynamics and Fluid DynamicsParticle Dynamics in Fluid Flows

The DOI matches its Crossref record; 15 of the 15 references it cites were found in a registry or an index.

Bouncing, coalescence, and separation in head-on collision of unequal-size droplets

Tang, Chenglong, Zhang, Peng, Law, Chung K.·2012·Physics of Fluids
DOI 10.1063/1.3679165
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Abstract

The dynamics of head-on collision of unequal-size droplets were experimentally and theoretically investigated, with emphasis on identifying distinct collision outcomes and interpreting the size-ratio dependence. A unified regime diagram in terms of bouncing, permanent coalescence, and separation after coalescence was identified for hydrocarbon and water droplets in the parameter space of the size ratio and a collision Weber number. Experimental results show that the transition Weber number, Web-c, that separates the bouncing and permanent coalescence regimes, weakly depends on the size ratio, while the transition Weber number, Wec-s, that separates permanent coalescence and separation regimes, significantly increases with the size ratio. A theoretical model based on energy balance and scaling analysis was developed to explain the size-ratio dependence of Wec-s. The theoretical results show good agreement with the experimental data for tetradecane and decane droplets, with a moderate discrepancy for water droplets.

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Metadata

Authors
Tang, C., Zhang, P., & Law, C. K.
Affiliations
Princeton University (US)
ORCID
Venue
Physics of Fluids
Publisher
AIP Publishing
Published
2012-02-01
Volume
24
Issue
2
ISSN
  • 1070-6631 (ISSN-L)
  • 1089-7666
DOI
10.1063/1.3679165
OpenAlex
W2068744655
Cited by
164
References
15
Citations by year
2026: 17 · 2025: 17 · 2024: 19 · 2023: 21 · 2022: 12 · 2021: 14 · 2020: 10 · 2019: 14 · 2018: 7 · 2017: 12 · 2016: 4 · 2015: 6 · 2014: 6 · 2013: 3 · 2012: 2
FWCI
5.39
Type
journal article
Language
en
Open access
closed
Locations
Physics of Fluids (publishedVersion)
Topics
  • Physical Sciences › Engineering › Computational Mechanics › Fluid Dynamics and Heat Transfer
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrohydrodynamics and Fluid Dynamics
  • Physical Sciences › Chemical Engineering › Fluid Flow and Transfer Processes › Particle Dynamics in Fluid Flows
Keywords
droplet collision, head-on collisions, droplet bouncing, energy balance model, scaling analysis, hydrocarbon droplets, water droplets, tetradecane, n-decane

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