APS Fellowship for Filippo Coletti
Filippo Coletti, Professor of Experimental Fluid Dynamics at the Department of Mechanical and Process Engineering (D-MAVT) at ETH Zurich, has been named a Fellow of the American Physical Society (APS). He is recognised for his fundamental contributions to the understanding of particle-laden turbulence.
In the Experimental Fluid Dynamics Laboratory, Coletti and his team investigate complex fluid flows such as those found in blood circulation, the transport of plastic particles in waterways, or meteorological processes. A key phenomenon in these contexts is particle-laden turbulence, where particles interact with the surrounding fluid and alter its flow behaviour. Coletti’s team studies these dynamics using advanced imaging techniques. Their experiments range from controlled laboratory setups to outdoor measurements, such as the analysis of falling snowflakes to improve weather models.
Coletti’s research centres on multiphase flows, where fluids and particles interact across a wide range of scales. The goal is to understand the underlying physical mechanisms and develop solutions to challenges in both natural and industrial contexts. Several current projects explore particle-laden flows, including particle-based solar receivers, the impact of turbulence on atmospheric precipitation, the dynamics of powder snow avalanches, and the transport of floating plastics.
Another area of focus is free-surface turbulence, particularly the chaotic motion at the interface between air and water. This phenomenon plays a key role in ship design, oceanography, and chemical processing.
Coletti’s election as an APS Fellow recognises his research on particle-laden turbulence. The APS Fellowship Programme honours members who have made significant advances in physics through original research or innovative contributions to the application of physics in science and technology.
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