Francisco Arias, PhD

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Senior Research Associate and a Reader in Fluid Mechanics
Francisco J. Arias, PhD, is a Senior Research Associate and a Reader in Fluid Mechanics at the
Polytechnic University of Catalonia, known as BarcelonaTech. He received a BA in physics from
the University of Barcelona and a BA in material engineering from BarcelonaTech, where he also
obtained a PhD in nuclear engineering. He was subsequently elected to research fellowships at
the University of California, at Berkeley, and Massachusetts Institute of Technology. Francisco
researches applications of advanced energy concepts in solar, nuclear, and marine energy.

Related Articles

Figure 1: Illustration of sedimentation control in enclosed geometries using air-fi lled hydrophobic microcavities.
Technical
Passive Sedimentation Control in Containers Using Marangoni Forces

When fluid-filled containers are stored for long periods of time with negligible motion, sedimentation and gravitational settling of particles can occur. This article discusses a passive sedimentation control mechanism that is driven by Marangoni stress, which is induced in enclosed geometries when their walls are lined with gas-filled hydrophobic microcavities.