Abstract
A two-way stochastic sub-grid bubble model is applied to Large Eddy Simulation (LES) for computing advection and diffusion processes of buoyant air bubbles via turbulence-bubble interactions. The model has been validated through comparisons with previous experiments for bubble rise velocity and fluid turbulence in bubble plumes. It is found that a major feature of the bubble-laden turbulent flow is featured by recursive momentum exchanges between the bubbles and fluid around them - the bubble motion intensifies the fluid turbulence, which also enhances dispersions of the bubbles owing to the intensified turbulence diffusion.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 20th (2010) International Offshore and Polar Engineering Conference, ISOPE-2010 |
| Pages | 750-754 |
| Number of pages | 5 |
| Publication status | Published - 2010 Sep 10 |
| Event | 20th International Offshore and Polar Engineering Conference, ISOPE-2010 - Beijing, China Duration: 2010 Jun 20 → 2010 Jun 25 |
Publication series
| Name | Proceedings of the International Offshore and Polar Engineering Conference |
|---|---|
| Volume | 3 |
| ISSN (Print) | 1098-6189 |
| ISSN (Electronic) | 1555-1792 |
Other
| Other | 20th International Offshore and Polar Engineering Conference, ISOPE-2010 |
|---|---|
| Country | China |
| City | Beijing |
| Period | 10/6/20 → 10/6/25 |
Keywords
- Air bubble
- Large Eddy Simulation
- Stochastic model
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Ocean Engineering
- Mechanical Engineering
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Cite this
Niida, Y., Mitobe, Y., & Watanabe, Y. (2010). LES-stochastic coupling model of bubble-laden turbulence. In Proceedings of the 20th (2010) International Offshore and Polar Engineering Conference, ISOPE-2010 (pp. 750-754). (Proceedings of the International Offshore and Polar Engineering Conference; Vol. 3).