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Effect of Bulk and Interfacial Rheological Properties on Bubble Dissolution
William Kloek1, Ton van Vliet, Marcel Meinders
1Department of Food Technology and Nutritional Sciences, Wageningen Centre for Food Sciences, c/o Wageningen University, Wageningen, 6700 EV, the Netherlands
Journal of Colloid and Interface Science
|May 4, 2001
Summary
Elasticity in bulk or at the interface can halt bubble dissolution. Theoretical calculations define stability criteria for these elastic cases, impacting bubble behavior in saturated media.
Area of Science:
- Fluid dynamics
- Materials science
- Physical chemistry
Background:
- Bubble dissolution is influenced by fluid properties.
- Rheological properties, including elasticity and viscosity, play a critical role.
- Understanding these effects is crucial for various industrial and natural processes.
Purpose of the Study:
- To theoretically investigate the combined effects of bulk and interfacial rheological properties on bubble dissolution.
- To define stability criteria for bubble dissolution under elastic conditions.
- To analyze the influence of viscosity on the dissolution rate.
Main Methods:
- Theoretical calculations were performed.
- The study considered bubbles in an infinite medium under saturated conditions.
- Mathematical models were developed to describe elastic and viscous effects.
Main Results:
- Both bulk and interfacial elasticity can completely stop bubble dissolution.
- Specific stability criteria were derived for elastic bulk and interfacial cases.
- Viscosity can retard dissolution but not entirely prevent it, provided it exceeds a critical value.
Conclusions:
- Elastic properties are key factors in determining the fate of dissolving bubbles.
- The findings provide theoretical limits for bubble stability based on rheological parameters.
- This research contributes to the understanding of multiphase flow phenomena.