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Gas microfilms in droplet dynamics : when do drops bounce
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Sprittles, James E. (2024) Gas microfilms in droplet dynamics : when do drops bounce. Annual Review of Fluid Mechanics, 56 . doi:10.1146/annurev-fluid-121021-021121 ISSN 0066-4189. (In Press)
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WRAP-gas-microfilms-droplet-dynamics-when-do-drops-bounce-Sprittles-2023.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only - Requires a PDF viewer. Download (8Mb) |
Official URL: https://doi.org/10.1146/annurev-fluid-121021-02112...
Abstract
In the last ten years, advances in experimental techniques have enabled remarkable discoveries of how the dynamics of thin gas films can profoundly influence the behavior of liquid droplets. Drops impacting onto solids can skate on a film of air so that they bounce off solids. For drop–drop collisions, this effect, which prevents coalescence, has been long recognized. Notably, the precise physical mechanisms governing these phenomena have been a topic of intense debate, leading to a synergistic interplay of experimental, theoretical, and computational approaches. This review attempts to synthesize our knowledge of when and how drops bounce, with a focus on (a) the unconventional microscale and nanoscale physics required to predict transitions to/from merging and (b) the development of computational models. This naturally leads to the exploration of an array of other topics, such as the Leidenfrost effect and dynamic wetting, in which gas films also play a prominent role.
| Item Type: | Journal Article | ||||||||||||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Mathematics | ||||||||||||||||||
| Journal or Publication Title: | Annual Review of Fluid Mechanics | ||||||||||||||||||
| Publisher: | Annual Reviews | ||||||||||||||||||
| ISSN: | 0066-4189 | ||||||||||||||||||
| Official Date: | January 2024 | ||||||||||||||||||
| Dates: |
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| Volume: | 56 | ||||||||||||||||||
| DOI: | 10.1146/annurev-fluid-121021-021121 | ||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||
| Publication Status: | In Press | ||||||||||||||||||
| Reuse Statement (publisher, data, author rights): | The author acknowledges funding from the Leverhulme Trust and multiple EPSRC grants, most notably EP/W031426/1, EP/S029966/1, EP/P031684/1 and EP/N016602/1. | ||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||
| Date of first compliant deposit: | 17 April 2023 | ||||||||||||||||||
| RIOXX Funder/Project Grant: |
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