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Each year, IRSN offers new topics for doctoral research, defined in close collaboration with the academic world.

A majority of students have a doctoral contract funded or co-funded by the Institute. The other students benefit from external funding

To be eligible for thesis funding, you must hold a Master's degree or an equivalent diploma allowing you to apply for a doctoral degree, before October of the current year.

In cases of diploma equivalence, the authorization to apply to the doctoral school must be verified before preparing the application form.

Applicants must be under 26 years of age. Exceptionally, this limit may be waived.

To apply you must contact the thesis tutor by email, sending him a resume and a cover letter. If your profile attracts his attention, he will inform you on the steps to take for the rest of your application.

We draw your attention to the fact that the thesis proposals posted are still subject to validation by the IRSN Thesis Commission. A limited number of thesis offers may be removed by early March.

The amount of the doctoral contract allocated by IRSN is around €2040 gross monthly during the first two years and €2090 gross monthly in the third year.

For some proposed thesis related to external financing, this amount may be different.

You will find below the list of thesis subjects for the year 2020. They are arranged according to the following disciplines:

Biology - ecology - health

Engineering sciences - Civil engineering - Fluid mechanics

Physics and Geological Sciences - Earth, Universe, Space

Mathematics - Informatics

Chemistry

• Comparative study of the radiosensibility of gamma irradiation of wild fish species and model (ref. ENV20-5)

• Characterisation of the molecular and cellular responses induced by ionising radiations on zebrafish development : study on the deregulation of the retinoic acid pathway (ref. ENV20-7)

Thesis location: Laboratory for Radionuclide Ecotoxicology (LECO) - Cadarache (13)
Themes : Biology; Ecology, Environment
Keywords : ionising radiation health-environment AOP

• Analysis and modelling of transfer processes to plants by foliar pathway of radionuclides in particle form (ref. ENV20-10)

• Modeling Radionuclidetransfer in the Mediteranean food web (ref. ENV20-12)

Thesis location: Research Laboratory for Radionuclide Transfer in Aquatic Ecosystems (LRTA) - La Seyne-sur-Mer (83) and Institut Méditerranéen d'Océanologie - Marseille (13)
Themes : Biology; Ecology, Environment
Keywords : trophic chain, model, radionuclide

• Modifications of the microenvironment after a localized colonic irradiation: identification ofmolecular pathways to optimize the transplantation of colonic stem cells (ref. SAN20-2)

Thesis location: Radiobiology of Medical Exposure Laboratory (LRMed) - Fontenay-aux-Roses (92)
Themes : Biology
Keywords : Pelvic Radiotherapy sequelae; Colonic microenvironment and cell therapy

• Toxicological study ofrepeated stable iodine prophylaxis during the neonatal period (lactation) inrat (ref SAN20-3)

Thesis location: Radiobiology of Accidental Exposure Laboratory (LRAcc) - Fontenay-aux-Roses (92)
Themes : Biology ; Biochimistry
Keywords : Prophylaxis, lodine, Thyroid

• New tools for moleculardiagnosis and prognosis of radiological burns using multi-omics strategy (ref. SAN20-4)

Thesis location: Radiobiology of Accidental Exposure Laboratory (LRAcc) - Fontenay-aux-Roses (92)
Themes : Biology ; Biotechnology
Keywords : Biological indicators, microRNAs, Metabolomics

• AOP (Adverse OutcomePathway) study of the renal toxicity of a radionuclide through a kidneyorganoid model (ref.SAN20-7)

Thesis location: Radiochemistry, Speciation and Imaging Laboratory (LRSI) - Fontenay-aux-Roses (92)
Themes : Biology
Keywords : AOP, Uranium, Organoïd

• Cardiac arrhythmias andconduction disorders after radiation therapy for breast cancer : study based onFrench health insurance databases (ref. SAN20-9)

Thesis location: Ionizing Radiation Epidemiology Laboratory (LEPID) - Fontenay-aux-Roses (92), INSERM UMR 1027 - Toulouse (31)
Themes : Medicine; Mathematics
Keywords : radiation therapy, cardiac complications, epidemiology

• Radiation induced risk ofcancer death in medical workers exposed to ionizing radiation (ref. SAN20-10)

Thesis location: Ionizing Radiation Epidemiology Laboratory (LEPID) - Fontenay-aux-Roses (92)
Themes : Medicine; Mathematics
Keywords : radiation ; occupational exposure; epidemiology

• Biological consequences ofmitochondria irradiation in the nematode C. elegans (ref. SAN20-11)

Thesis location: Microirradiation, Neutron Metrology and Dosimetry Laboratory (LMDN) - Cadarache (13)
Themes : Biology
Keywords : Mitochondria ; nematode ; central nervous system

• Effect of different dosesof ionising radiation on experimental aortic aneurysm on mice (ref SAN20-13)

Thesis location: Experimental Radiotoxicology and Radiobiology Laboratory (LRTOX) - Fontenay-aux-Roses (92)
Themes : Biology
Keywords : Anevrysm, low doses

• Blast waves interactionwith reference structures : combination, focalization and diffraction (ref. DEND20-2)
  

Thesis location: Research department for the study and modelling of the effects of weapons and explosives (BMAX) - Fontenay-aux-Roses (92), ICARE - Orléans (45), French-German Research Institute of Saint-Louis - Saint-Louis (68)
Themes : Physics; Engineering sciences
Keywords : blast waves, blast interaction, pressure measurements

• Robust inversion as a new tool for flooding hazard integration –application to the analysis of levee breaches (artificial and natural) in aprobabilistic Framework (ref. ENV20-2)

Thesis location: Hydrogeology, Flood and Geotechnical Risk Assessment Section (BEHRIG) - Fontenay-aux-Roses (92), CNRS, The Laboratory of Computing, Modelling and Optimization of the Systems, Ecole Nationale Supérieur des Mines de Saint-Etienne - Aubière (63)
Themes : Mathematics; Engineering Sciences
Keywords : Breaches, hazard, surrogate.

• Design of realistic andepithermal neutron fields for the calibration of radiation protection devicesand development of a neutron spectrometry method for their characterization inthe 0.5 eV to 10 keV energy range (ref. SAN20-12)
  

Thesis location: Microirradiation, Neutron Metrology and Dosimetry Laboratory (LMDN) - Cadarache (13)
Themes : Physics; Engineering sciences
Keywords : Epithermal neutrons ; simulated workplace field ; neutron spectrometry

• Towards the use ofmeteorological ensembles for short distance dispersion of radionuclides in caseof an accidental release in the atmosphere: methodology, uncertaintypropagation and comparison to environmental measurements of radioactivity (ref. SAN20-15)

Thesis location: Atmospheric Transfers Modeling Section for Study of Accidents Consequences (BMCA) - Fontenay-aux-Roses (92) National Centre for Meteorological Research, UMR 3589 CNRS/Météo-France - Toulouse (31)
Themes : Earth, universe, space; Engineering sciences
Keywords : dispersion; ensembles; uncertainty

• A new enhanced modellingstrategy for the steel-concrete interface in the context of multi-layer plateelements: application to the assessment of floor response spectra (ref. EXP20-2)

Thesis location: Laboratory for Modeling and Analysis of Structural Performance (LMAPS) - Fontenay-aux-Roses (92)
Themes : Civil engineering; Engineering sciences
Keywords : steel-concrete interface; multilayer plate; kinematic enhancement by E-FEM

• In situ characterization ofthe soil-structure interaction by means of the experimental measurement of theimpedance function (ref. EXP20-3)

Thesis location: Laboratory for Modeling and Analysis of Structural Performance (LMAPS) - Fontenay-aux-Roses (92)
Themes : Civil engineering
Keywords : Earthquake, soil-structure interaction, in-situ test

• Air permeability of reinforced concrete damage by Internal SwellingReaction (ISR) (ref. EXP20-4)

Thesis location: Laboratory for Modeling and Analysis of Structural Performance (LMAPS) - Fontenay-aux-Roses (92), Laboratory for Materials and Construction Works Durability (LMDC) - Toulouse (31)
Themes : Civil engineering; Engineering sciences
Keywords :Internal Swelling Reactions (ISR), Air permeability, damage

• Combinatorial approach forthe computation of penalizing configurations of assemblies with water holes bystochastic resolution of the neutron transport (ref. EXP20-5)

• Transient boiling heattransfer during a ria : experimental investigation from analytical to reactorconditions (RES20-1)
  

Thesis location: Loss of Coolant Accident and Uncertainties Modeling Laboratory (LIMAR) - Cadarache (13), Pittsburgh University - USA, L'Institut de Mécanique des Fluides de Toulouse (IMFT) - Toulouse (31), INL - Idaho Falls USA
Themes : Engineering sciences
Keywords : Two-phase flow, boiling

• Micromechanical modeling ofthe damage of a viscoplastic porous material within a cohesive-volumetricframework: application to irradiated UO2 (RES20-2)
  

Thesis location: Material Physics and Thermal-Mechanics Laboratory (LPTM) - Cadarache (13)
Themes : Engineering Sciences; Physics
Keywords : Micromechanics, fuel, damage

• Micromechanical modeling ofthe viscoplastic behavior of a polycrystal: application to the hardening of anirradiated steel (ref. RES20-4)

Thesis location: Material Physics and Thermal-Mechanics Laboratory (LPTM) - Cadarache (13), Laboratoire de mécanique et d'acoustique (LMA) - Marseille (13)
Themes : Engineering Sciences; Physics
Keywords : viscoplasticity, polycrystal, homogenization

• Study of combustion regimesin vitiated and high temperature environment – Application to elevated firesource in mechanically ventilated compartment (ref. RES20-5)

• Experimental and numericalstudy of two-phase flows and of fluid-structure interactions inside across-flow tube bundle (ref. RES20-6)
  

Thesis location: Loss of Coolant Accident and Uncertainties Modeling Laboratory (LIMAR) - Cadarache (13)
Themes : Engineering Sciences
Keywords : Two-phase flow, coupled fluid-structure simulation, SG vibrations

• Multi-scale modeling ofdust combustion : hybrid mixtures and radiative heat transfer (ref. RES20-7)

Thesis location: Explosion and Fire Laboratory (LIE) - Cadarache (13)
Themes : Engineering Sciences; Mathematics
Keywords : dust, combustion, Euler-Lagrange

• Study of the fire smoke propagationand control in complex underground galleries: Application to the fire riskmanagement in radioactive waste storage configurations (ref. RES20-8)

• Secondary hydriding and M5cladding embrittlement during LOCA transients (ref. RES20-9)
  

• Experimental and numericalcharacterization by change of scales of the concretes mechanical behavioraffected by the delayed ettringite formation taking into account theinterfacial properties (ref. RES20-10)

• Near-field contamination transferof an emission induced by the fall of a powder container on the ground -Evaluation of the inhalable contamination by an operator (ref. RES20-12)

• Development of metrologicalprotocols for aerosol sensors evaluation in terms of mass concentrationmeasurement (ref. RES20-13)

Thesis location: Aerosol Physics and Metrology Laboratory (LPMA) - Saclay (91), Laboratoire national de métrologie et d'essais - Paris (75)
Themes : Physics; Ecology, environment
Keywords : Aerosol, mass concentration, metrology

• Modelling of thecombustion-turbulence interactions for the fire simulation in confined andventilated enclosures (ref. RES20-14)

Thesis location: Explosion and Fire Laboratory (LIE) - Cadarache (13), Institut P' - Poitiers
Themes : Physics ; Engineering Sciences
Keywords : Fires - large eddy simulations - turbulent combustion

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• Fast-neutron multiplicitysystem with liquid scintillator for safeguard verification and nonproliferation (ref. DEND20-1)

Thesis location: Laboratory of Metrology of Nuclear Materials (L2MN) - Fontenay-aux-Roses (92) ; Lancaster University - England
Themes : Physics
Keywords : Scintillator, safeguards, nuclear measurement

• Dosimetric characterizationand evaluation of radiation-induced lesions after irradiation oninterventionnal radiology condition (ref. SAN20-1)

Thesis location: Radiobiology of Accidental Exposure Laboratory (LRAcc) - Fontenay-aux-Roses (92)
Themes : Physics
Keywords : Interventional radiology, dosimetry, Monte Carlo simulation

• Use of stable Pb isotopesfor the identification of the sources and transport processes leading to therelease of radioactive contaminants downstream of former Uranium mine sites (ref. ENV20-4)

Thesis location: Research Laboratory on the Future of the Radioactive Sites Pollution (LELI) - ​Fontenay-aux-Roses (92), SUBATECH - Nantes (44)
Themes : Ecology, Environment; Earth, Universe, Space
Keywords : Lead, Uranium, Mine

• Spectral InducedPolarization (SIP) monitoring of swelling clays: A case study of the Modern2020in situ tests at the Underground Research Laboratory in Tournemire (ref. ENV20-8)
  

• Multi-particle modeling of liquid / solid transfers of radionuclides influvial environments: application to the Rhône River (ref. ENV20-11)

• Integration of geodeticdata for the characterization of seismogenic sources: application to thecentral Appenines fault system, Italy (ref. ENV20-13)

Thesis location: Seismic Risk Assessment Section (BERSSIN) - Fontenay-aux-Roses (92), Géosciences Montpellier, Montpellier University - Montpellier (34)
Themes : Earth, Universe, Space
Keywords : geodesy, fault systems, seismic hazard

• Dosimetry of MRI-LINAC devices : beam calibration and assessment of 2Dand 3D dose distributions (ref. SAN20-5)

Thesis location: Ionizing Radiation Dosimetry Laboratory (LDRI) - Fontenay-aux-Roses (92)
Themes : Physics
Keywords : MRI-LINAC, dosimetry, 3D

• Modelling the evolution ofearly radiation-induced damage in a cell population (ref. SAN20-8)

Thesis location: Ionizing Radiation Dosimetry Laboratory (LDRI) - Fontenay-aux-Roses (92)
Themes : Physics ; Biology
Keywords : modelling, radiobiology, cellular population

• The multi-scale study ofthe grain boundary rupture in UO2 (ref. RES20-3)

Thesis location : Material Physics and Thermal-Mechanics Laboratory (LPTM) - Cadarache (13)
Themes : Physics
Keywords : Multiscale, Atomistic Method, Cohesive Zone Models

• Theoretical study of aerosol particle collection by raindrop. Explicit modelling of the Stefan flux to derive itscontribution to diffusiophoresis (ref. RES20-11)

Thesis location: Aerosol Physics and Metrology Laboratory (LPMA) - Saclay (91), Complexe de Recherche Interprofessionnel en Aérothermochimie (CORIA) - Rouen (76)
Themes : Physics ; Earth, Universe, Space
Keywords : aerosol collection, interface tracking, drop vaporisation

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• Impact of climat change onextreme events in France (ref. ENV20-6)

• Sparse spectral unmixing byfusion of spatial and / or temporal data for the rapid detection ofradiological events by gamma-ray spectrometry (ref. ENV20-15)

Thesis location : Environmental Radioactivity Measurement Laboratory (LMRE) - Orsay (91)
Themes : Physics; Mathematics
Keywords : Gamma-ray spectrometry, sparse spectral unmixing, joint analysis

• Multiscale relativebiological effectiveness modeling to predict non-cancer radiation inducedadverse effects (ref. SAN20-14)

Thesis location: Radiobiology of Medical Exposure Laboratory (LRMed) - Fontenay-aux-Roses (92)
Themes : Mathematics ; Biology
Keywords : Relative biological effectiveness , Functional data analysis, system biology

• Probabilistic models fordecision support (ref. RES20-15)

Thesis location: Explosion and Fire Laboratory (LIE) - Cadarache (13)
Themes : Information technology, electronics
Keywords : expert systems – Bayesian networks - fire

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• Operational modeling fordry and wet deposition of chlorine-36 in grassland ecosystem (ref. ENV20-3)

Thesis location : Cherbourg-Octeville Radioecology Labor​atory (LRC) ​​- Cherbourg (50)
Themes : Ecology, Environment; Chemistry
Keywords : chlorine 36, experiment, modeling

• Impact of the C-S-Hchemistry on the transfers and mechanical properties in the cementitiousmaterials – Experimental and modelling approach (ref. ENV20-14)

Thesis location: Research Laboratory for Migration and Interactions in the Geosphere (LETIS)- Fontenay-aux-Roses (92), LECBA - Saclay (91)
Themes : Chemistry; Physics
Keywords : Concrete, C-S-H, chemistry

• Application of numericalmethods and chimiometry to the analysis of EPR spectra for radiologicalaccident dosimetry (ref. SAN20-6)

• Investigation ofthermodynamics of Zr-Cr-O and U-Cr-O systems at high temperature (ref RES20-17)

Thesis location : Radioelement Transfer Research Laboratory (LETR) -  Cadarache (13), Unité de catalyse et de chimie du solide (UCCS) - Lille (59)
Themes : Chemistry; Physics
Keywords : Zr-U-Cr-O, thermodynamics, ATF

• Experimental study on thefeasibility to trap noble gases with innovative porous materials (ref. RES20-18)

Thesis location: Environment and Chemistry Experimental Research Laboratory (L2EC) - Cadarache (13)
Themes : Engineering Sciences; Chemistry
Keywords : Noble gases, trapping, microporous materials

• Calculation of thermokineticdata in support of studies of the remobilization of fission products depositedon the surfaces of the primary circuit in order to evaluate the delayed sourceterm (ref. RES20-19)

Thesis location: Radioelement Transfer Research Laboratory (LETR) - Cadarache (13)
Themes : Chemistry; Physics
Keywords : Remobilization, surface's effects, no-congruent condensation

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