Diffusive Liquid Propagation in Porous and Elastic Materials: The Case of Foams under Microgravity Conditions

by: Saint A Jalmes, S Marze, H Ritacco, D Langevin, S Bail, J Dubail, L Guingot, G Roux, P Sung, L Tosini

Physical Review Letters, Vol. 98, No. 5. (2007)

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Abstract

We report the results of fluid transport experiments in aqueous foams under microgravity. Using optical and electrical methods, the capillary motion of the foam fluid and the local liquid fractions are monitored. We show that foams can be continuously wetted up to high liquid fractions (~0.3), without any bubble motion instabilities. Data are compared to drainage models: For liquid fractions above 0.2, discrepancies are found and identified. These new results on foam hydrodynamics and structure can be useful for other poroelastic materials, such as plants and biological tissues.

@article{citeulike:2563025, abstract = {We report the results of fluid transport experiments in aqueous foams under microgravity. Using optical and electrical methods, the capillary motion of the foam fluid and the local liquid fractions are monitored. We show that foams can be continuously wetted up to high liquid fractions (~0.3), without any bubble motion instabilities. Data are compared to drainage models: For liquid fractions above 0.2, discrepancies are found and identified. These new results on foam hydrodynamics and structure can be useful for other poroelastic materials, such as plants and biological tissues.}, author = {Jalmes, Saint A. and Marze, S. and Ritacco, H. and Langevin, D. and Bail, S. and Dubail, J. and Guingot, L. and Roux, G. and Sung, P. and Tosini, L. }, citeulike-article-id = {2563025}, doi = {10.1103/PhysRevLett.98.058303}, journal = {Physical Review Letters}, keywords = {2007, foam}, number = {5}, posted-at = {2008-03-19 16:58:42}, priority = {2}, publisher = {APS}, title = {Diffusive Liquid Propagation in Porous and Elastic Materials: The Case of Foams under Microgravity Conditions}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000098000005058303000001\&idtype=cvips\&gifs=yes}, volume = {98}, year = {2007} }

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TY - JOUR ID - citeulike:2563025 L3 - citeulike-article-id:2563025 TI - Diffusive Liquid Propagation in Porous and Elastic Materials: The Case of Foams under Microgravity Conditions JF - Physical Review Letters VL - 98 IS - 5 PB - APS N2 - We report the results of fluid transport experiments in aqueous foams under microgravity. Using optical and electrical methods, the capillary motion of the foam fluid and the local liquid fractions are monitored. We show that foams can be continuously wetted up to high liquid fractions (~0.3), without any bubble motion instabilities. Data are compared to drainage models: For liquid fractions above 0.2, discrepancies are found and identified. These new results on foam hydrodynamics and structure can be useful for other poroelastic materials, such as plants and biological tissues. KW - 2007 KW - foam AU - Jalmes, Saint AU - Marze, S AU - Ritacco, H AU - Langevin, D AU - Bail, S AU - Dubail, J AU - Guingot, L AU - Roux, G AU - Sung, P AU - Tosini, L PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000005058303000001&idtype=cvips&gifs=yes ER -

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