Offre d'emploi Internship - R&D - Thermo-Mechanical Simulation of SMR Tube M/F

Air Liquide is a world leader in the design, construction, and operation of industrial gas production units. The structural integrity of these units is essential to guarantee the Group's reliability and competitiveness.



The Group's engineering develops and builds equipment, with the support of R&D in strategic areas such as material selection and operational monitoring.



In the production of hydrogen by Steam Methane Reforming (SMR), for example, tubular reactors undergo accelerated aging of their microstructure and creep damage (high-temperature deformation), which can lead to rupture. Air Liquide is also exploring other technologies for hydrogen production. In the latter, the assembly of the tubular reactor with the baffles that transport the resulting gas mixture is subjected to severe thermo-mechanical stresses that threaten its structural integrity.



To anticipate these failures and ensure continuous hydrogen production without unplanned shutdowns, we are developing modeling tools for integrity calculation and residual life estimation.



Internship Objectives:

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Continue previous work on the study of creep in reformer tubes.
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Develop a thermo-mechanical model for the SMR tube (reactor)/baffle assembly.

Intern's Missions:

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Analyze the scientific literature on the thermo-mechanical modeling of SMR tube/baffle assemblies and on the creep modeling of reformer tubes.
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Define and implement the most relevant modeling strategy to capture the system's behavior (including differential thermal expansion of reactors and baffles, contact forces, friction).
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Identify the model parameters from experimental data or literature.
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Compare the model predictions with field observations or pilot test results.

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Final-year engineering student or Master 2 student (Bac+5 - 5 years of post-secondary education).
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Specialization: Mechanical Engineering, Continuum Mechanics, Numerical Modeling, or Physics, Mechanical Metallurgy.
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Essential skill: Solid knowledge in solid mechanics, fracture mechanics, mechanical metallurgy.
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Highly appreciated skill: A first experience or strong interest in continuum mechanics modeling.
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Tools: A first experience with simulation software.
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Qualities: Scientific rigor, autonomy, technical curiosity, and good analysis and synthesis skills.



Additional Information

Air Liquide has been awarded the Happy Trainees label.

The internship will be carried out at Campus Innovation Paris, Air Liquide's R&D center in France located in Loges-en-Josas (1, Chemin de la Porte des Loges).

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Geographical location: France / Ile de France / 78 - Les loges
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Desired start date: Early 2026
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Duration of the internship : 6 months

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