Abstract
Experiments on thermodiffusive transfer of ferrofluid nanoparticles in capillary porous layer are presented. The layer consists of a number of capillary filter sheets pressed between two plates of different temperatures. Steady profiles of particle concentration are detected after the experiment from magnetization of each filter sheet. It is shown that particle separation in porous layer is remarkably influenced by thermoosmotic forces. The observed effect is different for colloids of various surfactants and of various carrier liquids.
| Original language | English |
|---|---|
| Pages (from-to) | 275-277 |
| Number of pages | 3 |
| Journal | Journal of Magnetism and Magnetic Materials |
| Volume | 289 |
| DOIs | |
| Publication status | Published - Mar 2005 |
Keywords
- Magnetic fluids
- Nanoparticles
- Porous media
- Thermodiffusion
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