Group Leader

PHYSICAL SCIENCES

Hof Group

Nonlinear Dynamics and Turbulence

Most fluid flows of practical interest are turbulent, yet our understanding of this phenomenon is very limited. The Hof group seeks to gain insight into the nature of turbulence and the dynamics of complex fluids.

Flows in oceans, around vehicles, and through pipelines are all highly turbulent. Turbulence governs friction losses and transport and mixing properties. Despite its ubiquity, insights into the nature of turbulence are very limited. To obtain a fundamental understanding of the origin and the principles underlying this phenomenon, the Hof group investigates turbulence when it first arises from smooth, laminar flow. The group combines detailed laboratory experiments with highly resolved computer simulations, and applies methods from nonlinear dynamics and statistical physics, enabling them to decipher key aspects of the transition from smooth to turbulent flow, and identify universal features shared with disordered systems in other areas of physics. Some of these insights can be used to control turbulent flow, and the group actively develops such methods. In addition, the group investigates instabilities in fluids with more complex properties, such as dense suspensions of particles and polymer solutions.


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Team

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Nishchal Agrawal

PhD Student

+43 2243 9000 7624

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Nazmi Budanur

Postdoc

+43 2243 9000 2122

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George Choueiri

Postdoc

+43 2243 9000 7632


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Mike Hennessey-Wesen

PhD Student

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Lukasz Klotz

Postdoc

+43 2243 9000 2121

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Jose Lopez Alonso

Postdoc


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Chaitanya Paranjape

PhD Student

+43 2243 9000 4747

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Michael Riedl

PhD Student

+43 2243 9000 2122

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Davide Scarselli

PhD Student

+43 2243 9000 7632


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Shayan Shamipour

PhD Student

+43 2243 9000 4781

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Balachandra Suri

Postdoc

+43 2243 9000 2083

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Atul Varshney

Postdoc

+43 2243 9000 2083


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Mukund Vasudevan

Laboratory Technician

+43 2243 9000 7624

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Yi Zhuang

Predoctoral Visiting Scientist


Current Projects

Transition from laminar to turbulent flow | Dynamics of complex fluids | Control of fully turbulent flows | Cytoplasmic streaming | Instabilities in cardiovascular flows


Publications

Scarselli D, Kühnen J, Hof B. 2019. Relaminarising pipe flow by wall movement. Journal of Fluid Mechanics. 867, 934–948. View

Klotz L, Gumowski K, Wesfreid JE. 2019. Experiments on a jet in a crossflow in the low-velocity-ratio regime. Journal of Fluid Mechanics. 863, 386–406. View

Agrawal N, Choueiri GH, Hof B. 2019. Transition to turbulence in particle laden flows. Physical Review Letters. 122(11), 114502. View

Mayzel J, Steinberg V, Varshney A. 2019. Stokes flow analogous to viscous electron current in graphene. Nature Communications. 10, 937. View

Varshney A, Steinberg V. 2019. Elastic alfven waves in elastic turbulence. Nature Communications. 10(1). View

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Career

since 2013 Professor, IST Austria
2007 – 2013 Research Group Leader, Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany
2005 – 2007 Lecturer, University of Manchester, UK
2003 – 2005 Research Associate, Delft University of Technology, The Netherlands
2001 PhD, University of Manchester, UK


Selected Distinctions

2012 ERC Consolidator Grant
2011 Dr. Meyer Struckmann Science Prize
2005 RCUK Fellowship


Additional Information

ERC Starting/Consolidator Grant website



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