Ongeveer 22 uur geleden - Wageningen UR (University & Research) - Wageningen
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Local fluid structure and dynamics at the interface with charged surfaces
Recent years have seen a trend of new and improved technologies based on miniaturisation of fluidic devices. Very small devices hold promise for medical analysis, drug delivery, or for mixing of toxic or explosive materials, for which it is undesirable to use large amounts. However, accurate flow control or sensing in nanofluidic devices is hampered by a limited understanding of fluid properties under strong confinement, which deviates from classical fluid dynamics. Molecular simulations are needed to provide valuable insight into the structuring and movement of fluid molecules very close to a solid surface.
Of particularly interest are ionic solutions, which form an electric double layer (EDL) that compensates for the bare surface charge. The structure and dynamics of this EDL is extremely relevant to sensing, electrokinetic transport, energy storage, desalination, catalysis, and various biological systems. In order to advance these applications and develop new ones, it is important to investigate how materials and environmental conditions affect interfacial fluid properties.
In this project, the local fluid structure and dynamics at the interface with charged surfaces will be investigated in depth through a combination of classical (atomistic) and ab-initio molecular dynamics simulations, and free energy sampling. Furthermore, state-of-the-art techniques will be used to investigate electrokinetic transport.
We are looking for an excellent PhD candidate with a strong background in (applied) physics, mechanical engineering, or a related discipline. Prior experience with molecular simulation will be considered an advantage but is not strictly required. Candidates with experience in scientific programming will be preferred. Good verbal and written communication skills are essential.
Delft University of Technology (the TU Delft) is a multifaceted institution offering education and carrying out research in the technical sciences at an internationally recognised level. Education, research and design are strongly oriented towards applicability. The TU Delft develops technologies for future generations, focusing on sustainability, safety and economic vitality. At the TU Delft you will work in an environment where technical sciences and society converge. The TU Delft comprises eight faculties, unique laboratories, research institutes and schools. Mechanical, Maritime and Materials Engineering Research in the Process and Energy Department focuses on process and energy technology in a mechanical engineering context. We envision that a transition from fossil/conventional energy conversion towards full electrification will take place in society in the coming decades. Our objective is to develop processes supporting this transition by making existing processes more efficient and developing novel green technologies that use electricity as primary energy source to produce heavy transportation fuels and bulk chemicals. Research activities within the department cover the range from full equipment scale down to the molecular scale. Our laboratories have several experimental facilities that are unique in the world.
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