Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2008 Apr 4;100(13):138301.
doi: 10.1103/PhysRevLett.100.138301. Epub 2008 Apr 3.

Viscous friction in foams and concentrated emulsions under steady shear

N D Denkov  1 , S Tcholakova, K Golemanov, K P Ananthapadmanabhan, A Lips
Affiliations

Viscous friction in foams and concentrated emulsions under steady shear

N D Denkov et al. Phys Rev Lett. .

Abstract

We present a model for the viscous friction in foams and concentrated emulsions, subject to steady shear flow. First, we calculate the energy dissipated due to viscous friction inside the films between two neighboring bubbles or drops, which slide along each other in the flow. Next, from this energy we calculate the macroscopic viscous stress of the sheared foam or emulsion. The model predictions agree well with experimental results obtained with foams and emulsions.

PubMed Disclaimer

Comment in

Publication types