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This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : jeudi 13 octobre 2022

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General information

Reference : FR2039-PATMAR-003
Workplace : ORLEANS
Date of publication : Thursday, September 22, 2022
Scientific Responsible name : Christine ROUSSELLE
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 November 2022
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

This PhD project is being carried out within the framework of an ANR project 'Scientific Improvement on Ammonia Combustion'. The objective is to contribute to a detailed understanding of the mechanisms that take place during flame-turbulence interaction in the case of an ammonia or low hydrogen blend flame. From a spherical combustion chamber, in which a homogeneous and isotropic turbulence is generated, the propagation of the turbulent flame will be characterised by the least intrusive optical diagnostics possible. A detailed analysis of flame folding and local extinctions through interaction with turbulence will be characterised.

Work Context

Activities :
- Literature review to assess which flame categories have been best characterised so far, and which characteristics exist.
- Literature review about the different optical techniques that can be used in the case of ammonia (Schlieren, OH and NH2 Chemiluminescence and Planar Laser tomography), in particular 3D laser tomography.
- Decision on which configurations to study with which diagnostics (discussion in partnership with the other project partners).
- Setting up the optical diagnostics and improvement of the feasibility
- Carrying out the experiments, image analysis (processing with Matlab development to be planned)
- Analysis of the results
- Writing of publications
- Participation in the writing of mid-term reports and deliverables for the project

Skills :
- Fluid mechanics, combustion, chemical kinetics, data processing
- Speaking and writing (presentation, report) french and english
- to work with a team

Constraints and risks

- constraints related to the use of ammonia: online training organised
-constraints related to the use of optical diagnostics
- Constraints related to obtaining results for the partner who will carry out the simulation.

Additional Information

An evaluation committee will examine the applications and select the candidates on the basis of criteria aimed at ensuring equal opportunities.
The main selection criteria will be the match between the applicant's existing skills and expertise and the requirements mentioned above.
The selection procedure will take place in 2 stages: first a shortlist of the best candidates, and then the final selection after an audition (organised in person or by video conference).

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