Abstract
Interface deformation and thermocapillary rupture in a non-isothermal cavity with free upper surface is investigated. Temperature variations along the interface are induced by differentially heated walls. The dynamics of the process is modulated by changing mass of the liquid. The results determined for the large Biot and zero Marangoni numbers show the existence of limit points beyond processes leading to the interface rupture set in. Evolution of the limit point as a function of the liquid mass is investigated. The topology of the flow field is very similar regardless of whether the cavity is over-filled or only partially filled. It is shown that the cavity over-filling may, in general, extend the range of admissible capillary numbers and thus it can be used as a tool for prevention of rupture.
| Original language | English |
|---|---|
| Pages (from-to) | 309-332 |
| Journal | Transactions of the Canadian Society for Mechanical Engineering |
| Volume | 34 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 2010 |
| Externally published | Yes |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Research Keywords
- Containerless materials processing
- Liquid interfaces
- Thermocapillary convection
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