RESEARCHER - DEVELOPMENT OF COMPUTATIONAL METHODS FOR HIGH-SPEED REACTING FLOWS (R2)

About BSC The Barcelona Supercomputing Center - Centro Nacional de Supercomputación (BSC-CNS) is the leading supercomputing center in Spain.
It houses MareNostrum, one of the most powerful supercomputers in Europe, was a founding and hosting member of the former European HPC infrastructure PRACE (Partnership for Advanced Computing in Europe), and is now hosting entity for EuroHPC JU, the Joint Undertaking that leads large-scale investments and HPC provision in Europe.
The mission of BSC is to research, develop and manage information technologies in order to facilitate scientific progress.
BSC combines HPC service provision and R&D into both computer and computational science (life, earth and engineering sciences) under one roof, and currently has over staff from 60 countries.
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Context And Mission The future of the aerial transportation industry relies on developing new technologies which are more environmentally friendly.
Among other concepts, supersonic devices operating with hydrogen fuel offer an attractive alternative to conventional airplanes.
The use of hydrogen directly mitigates emissions of CO (pollutant) and CO2 (greenhouse warming gas), while hypersonic flight for commercial transport will considerably reduce the travelling time among destinations.
Nevertheless, combustion at hypersonic regimes, found in propulsion concepts such as scramjets, is still on its early developments, and a better understanding is needed so that technology can be developed and used in commercial applications.
Experimental tests are of limited use for research and technology transfer, since the use of diagnostics in high-speed combustion find several limitations, hence not providing all the necessary data for its study.
In this sense, the use of numerical simulations of reactive flows, in particular with Large Eddy Simulations (LES), present an attractive alternative for accessing all kinds of non-stationary data.
Nevertheless, the application of LES methodologies to hypersonic problems requires a careful treatment of the Navier-Stokes equations from a numerical perspective, as needs also a proper integration of combustion models to study reactive applications.
Experimental tests are of limited use for research and technology transfer, since the use of diagnostics in high-speed combustion find several limitations, hence not providing all the necessary data for its study.
In this sense, the use of numerical simulations of reactive flows, in particular with LES, present an attractive alternative for accessing all kinds of non-stationary data.
Nevertheless, the application of LES methodologies to hypersonic problems requires a careful treatment of the Navier-Stokes equations and proper integration of thermochemistry of non-equilibrium flows.
The objective of this project is to develop a numerical methodology for compressible flow simulations in LES.
The methodology, to be integrated in the in-house solver Alya, will be coupled to tabulated chemistry using the Flamelet Progress Variable (FPV) approach for modelling combustion.
The solver will be validated with canonical problems relevant to supersonic combustion, and will be applied to high-speed flows and plumes.
The research team that the applicant will be involved is the Propulsion Technologies Group at CASE Department of BSC.
The team is a multidisciplinary group with researchers from all disciplines and with strong background in Computational Fluid Dynamics (CFD).
The team is involved in many EU and industrial projects related to this topic, where the successful activities and the publications on highly ranked scientific journals give the proved expertise.
Key Duties Collaborate with the different partners of the projects to carry our collaborative research.
Contribute to scientific publications and reporting to different National and EU projects the researcher will be involved in.
Developing non-equilibrium thermochemistry models.
Focus will be on the reactive flow equations to solve combustion problems, such as hydrogen combustion.
The solver will be integrated into the in-house, multiphysics code Alya.
Once developed, it will be used to study both canonical problems, such as high-speed shear layers, and industrial configurations.
Requirements Education The candidate should hold a PhD Degree in Chemistry, Physics, Mechanical Engineering, or Aerospace with background in fluid mechanics and thermal systems.
A solid background in data-driven methods and Artificial Intelligence will be positively evaluated.
Basic knowledge of HPC will be appreciated.
Essential Knowledge and Professional Experience Knowledge of fluid mechanics and thermodynamics are expected.
Additional Knowledge and Professional Experience General knowledge on computer science and programming languages such as Fortran, Python, C, and C++ will be considered an asset.
Fluency in English is essential, Spanish is welcome.
Competences Strong analytical skills.
Ability to work independently and within a team.
Good communication and team-work skills to work in a multidisciplinary team.
Conditions The position will be located at BSC within the CASE Department We offer a full-time contract (37.
h/week), a good working environment, a highly stimulating environment with state-of-the-art infrastructure, flexible working hours, extensive training plan, restaurant tickets, private health insurance, support to the relocation procedures Duration.
Open-ended contract due to technical and scientific activities linked to the project and budget duration Holidays.
23 paid vacation days plus 24th and 31st of December per our collective agreement Salary.
we offer a competitive salary commensurate with the qualifications and experience of the candidate and according to the cost of living in Barcelona Starting date.
Applications procedure and process All applications must be made through BSC website and contain.
A full CV in English including contact details A Cover Letter with a statement of interest in English, including two contacts for further references - Applications without this document will not be considered In accordance with the OTM-R principles, a gender-balanced recruitment panel is formed for every vacancy at the beginning of the process.
After reviewing the content of the applications, the panel will start the interviews, with at least one technical and one administrative interview.
A profile questionnaire as well as a technical exercise may be required during the process.
The panel will make a final decision and all candidates who had contacts with them will receive a feedback with details on the acceptance or rejection of their profile.
At BSC we are seeking continuous improvement in our recruitment processes, for any suggestions or feedback/complaints about our Recruitment Processes, please contact recruitment [at] bsc [dot] es.
For more information follow this link Deadline The vacancy will remain open until a suitable candidate has been hired.
Applications will be regularly reviewed and potential candidates will be contacted.
OTM-R principles for selection processes BSC-CNS is committed to the principles of the Code of Conduct for the Recruitment of Researchers of the European Commission and the Open, Transparent and Merit-based Recruitment principles (OTM-R).
This is applied for any potential candidate in all our processes, for example by creating gender-balanced recruitment panels and recognizing career breaks etc.
BSC-CNS is an equal opportunity employer committed to diversity and inclusion.
We are pleased to consider all qualified applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or any other basis protected by applicable state or local law.
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