CNRS-DC1: Fluid mechanics, Transport processes, Chaotic Mixing

Supervisors: Dr. Daniel Lester (RMIT) and Dr. Joris Heyman (CNRS)

Project 1: Mixing through porous-turbulent interfaces

Mixing by fluid flows over porous interfaces is frequent in nature and industry (river beds, canopy, fractures, porous membranes) and sets key processes, such as nutrient delivery or heat uptake. The general laws governing mixing in these rapidly changing environments are still poorly constrained. The PhD thesis will explore experimentally, numerically and theoretically turbulent-porous interfaces to uncover the physics governing fluid mixing in this context.

Project 2: Chaotic mixing in porous structures

Recent observations have shown that fluid flows through porous matter spontaneously generate chaotic advection, e.g. the exponential divergence of nearby fluid trajectories. The PhD thesis will uncover the key role of the porous architecture to produce these trajectories via numerical simulations.

Project 3: Chaotic mixing at the Darcy scale

Recent observations have shown that fluid flows through porous matter spontaneously generate chaotic advection at pore scale, e.g. the exponential divergence of nearby fluid trajectories. Still, it is unknown if these dynamics also dominate at larger scales, such as the Darcy scale. The PhD thesis will uncover, through numerical simulations, the key role of large-scale heterogeneities in producing stretching-enhanced mixing.

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Reference

CNRS-DC1

Research Areas

Environment and environmental science, mathematics, statistics and analytics

Research Host

National Centre for Scientific Research (CNRS)

PhD awarding institution/s

Dual PhD awarded by Université Rennes 1 and RMIT University (RMIT)

Location

France

Status

Open Position

RMIT University

Other Positions

Supervisors

Associate Prof. Andrey Molotnikov (RMIT), Professor Dr.-Ing. Thomas Niendorf (UoK), Philipp Krooss (UoK) and Dr. Markus Weinmann (UoK)

PhD awarding institution/s

University of Kassel (UoK) and RMIT University

Location

Germany

Status

Open Position

Supervisors

Prof. Jenny Zhang (RMIT) and Prof. Jose Antonio Vilar-Fernandez (UDC) and José Luis González Leal (Navantia) and Prof. Amparo Alonso-Betanzos (UDC) and Prof. Vicente Díaz-Casas (UDC) and Prof. Marcos Miguez González (UDC)

PhD awarding institution/s

University of A Coruña (UDC) and RMIT University

Location

Spain

Status

Open Position

Supervisors

Prof. Anne-Laure Mention (RMIT) and Associate Prof. Carsten Nico Hjortso (UPCH) and Dr. Marie Smed (UPCH)

PhD awarding institution/s

University of Copenhagen (UCPH) and RMIT University

Location

Denmark

Status

Open Position

RMIT and many of the REDI partners are HSR4R certified
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This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 101034328.

Results reflect the author’s view only. The European Commission is not responsible for any use that may be made of the information it contains