12 Mois

Instability development at the interface of viscous heterocharged fluids

The proposed studies will relate to a low Reynolds laminar flow of a two-dimensional mixture layer of a highly viscous dielectric fluid. The fluid / fluid interface will be studied experimentally under different conditions. This subject is part of action 5.1 of the INTERACTIVES labex, action which concerns the manipulation of internal flow by electrical discharge and charge injection.
N. Benard - Contacter
Institut Pprime

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5 to 6 months

Master 2 internship -Filled- Multi-interstitials compounds: a new way in surface properties optimization of Titanium alloys

This position is filled. The proposed internship will focus on the determination of the diffusion parameters involved in the treatment of (pure) Titanium and the TA6V alloy. Oxi-nitriding treatments with gas enriched with 18O and 15N isotopes will be operated the plasma assisted thermochemical treatment reactor of the Physics and Mechanics Department (DPMM) of the P’ Institute. Various parameters will be investigated such as the microstructure of the modified surface, the crystallographic structure, the characterization of the isotopes profiles of the dedicated samples and the determination of the diffusion mechanisms. The applicant is expected to have motivation and skills in experimental characterization of materials and surfaces.

12 Months

Expert in Scientific Computation

The postdoctoral intership is funded by the action 2 «Dynamique descontaminants» in the axis 3 «Chimie verte et préservation des ressources (eau,sol, biodiversité, carbone renouvelable)» of the ECONAT programme «gestiondurable des ECOsystèmes et des ressources NATurelles» (CPER 2015 – 2020). Oneobjective of the action 2 is to study the transport behavior of contaminants infractured limestone structures of the catchment area of Charente. In this action 2,we propose to develop numerical models, based on the Monte Carlo approach, forestimating the maximum dilution index Emax in heterogeneous porous andfractured media