Abstract
Using the local electrical conductivity method, the parameters of the linear waves generated on the surface of a falling liquid film in the presence of a co- or counter-current gas stream are measured. The Reynolds numbers of the fluid and the gas were varied from 24 to 125 and from 0 to 8000, respectively. The results are presented in the form of dispersion relations. In the case of the absence of a gas stream, the results are compared with calculations based on a linear integral theory. It is shown that a gas stream increases the instability of the film and a counter-current gas flow has a greater effect on the wave phase velocity than a co-current flow.
| Original language | English |
|---|---|
| Pages (from-to) | 612-620 |
| Number of pages | 9 |
| Journal | Fluid Dynamics |
| Volume | 39 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Jul 2004 |
| Externally published | Yes |
Keywords
- Linear waves
- Liquid film
- Turbulent gas stream
ASJC Scopus subject areas
- Mechanical Engineering
- Physics and Astronomy(all)
- Fluid Flow and Transfer Processes
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Cite this
Alekseenko, S. V., Markovich, D. M., Kharlamov, S. M., & Cherdantsev, A. V. (2004). Experimental study of the linear stability of a falling liquid film in the presence of a turbulent gas stream. Fluid Dynamics, 39(4), 612-620. https://doi.org/10.1023/B:FLUI.0000045677.40730.18