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Thermocapillary bubble migration for large marangoni numbers
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Balasubramaniam, R. |
| Copyright Year | 1987 |
| Description | The thermocapillary motion of spherical bubbles present in an unbounded liquid with a linear temperature distribution, when the Reynolds number and the Marangoni number are large is analyzed. Previous calculations of the terminal velocity performed for this parametric range did not take into complete consideration the thermal boundary layer present near the surface of the bubble. A scaling analysis is presented for this problem. The thermal boundary layer is analyzed by an integral method. The resulting terminal velocity is lower than the one previously calculated, though it is of the same order of magnitude. |
| File Size | 614230 |
| Page Count | 15 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19870013432 |
| Archival Resource Key | ark:/13960/t9673bk89 |
| Language | English |
| Publisher Date | 1987-05-01 |
| Access Restriction | Open |
| Subject Keyword | Materials Processing Temperature Distribution Peclet Number Microgravity Applications Temperature Gradients Reynolds Number Thermal Boundary Layer Analysis Mathematics Capillary Flow Spheres Thermodynamics Bubbles Space Commercialization Shear Stress Velocity Measurement Heat Transfer Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
