ORGANISATION/COMPANYEcole Centrale de Nantes
RESEARCH FIELDEngineeringTechnology › Energy technology
RESEARCHER PROFILEFirst Stage Researcher (R1)
APPLICATION DEADLINE30/06/2020 12:00 - Europe/Brussels
LOCATIONFrance › Nantes
TYPE OF CONTRACTTemporary
HOURS PER WEEK35
OFFER STARTING DATE07/09/2020
EU RESEARCH FRAMEWORK PROGRAMMEH2020 / Marie Skłodowska-Curie Actions
MARIE CURIE GRANT AGREEMENT NUMBER860879
IS THE JOB RELATED TO STAFF POSITION WITHIN A RESEARCH INFRASTRUCTURE?Yes
Centrale Nantes has a new PhD position available within the framework of the EU-funded FLOAWER project. FLOAWER project main goal is to train 13 early stage researchers (ESRs) to design better performing, economically viable floating wind turbines.
Among these ESRs, Centrale Nantes has one about the hydrodynamic analysis and numerical modelling of heave-plates dedicated to the design of floating WT.
Heave plates are commonly used in floating wind energy for shifting the resonance periods of the platform out of the predominant wave periods and for damping the motion of the whole structure. During the design phases, heave plates are generally modelled in engineering design tools through Morison-type empirical formulations. These formulations are based on hydrodynamic coefficients that strongly depend on the flow properties (Keulegan–Carpenter number, Reynolds number) and are generally determined experimentally. Several hydrodynamic database are publically available that provides data for different shapes and flow properties but come from a literature dedicated to classical offshore engineering with structures relatively different to the ones developed in the FOW community (larger diameter of heave plates, larger amplitudes of motion, position wrt the free surface).
One of the objectives therefore lies in the implementation of a new methodology based on both CFD calculations and wave tank tests for obtaining a comprehensive hydrodynamic database dedicated to the floating wind community. Wave tank tests and simulations will be carried out for various geometry, column-diameter/heave-plate diameter ratio and heave-plate depth. Experimental tests will be conducted in ECN 3D-wave tank with realistic design and operation sea-states. The PhD student will participate to the design, setup, experimental campaign, and result analysis. Numerical tests will be conducted with an in-house variant of OpenFOAM dedicated to wave-structure interaction through the coupling with accurate deterministic wave evolution models. The PhD student will setup, run and analyze the different cases, including some specific numerical developments if needed.
A second objective will be the characterization of the validation domain of state-of-the-art engineering models for modelling heave-plates and their improvement through a model derived from the experimental and numerical study.
- Hydrodynamic database for various geometries (column-diameter/heave-plate diameter ratio and heave-plate depth…)
- Improved numerical engineering models for modelling heave-plates.
Secondments are planned for all ESRs of FLOAWER project. For the present PhD position, the student will have to spend 3 months during the first year at NTNU in Norway (supervisor Erin Bachynski), to learn on on the design and the experimental testing of heave-plates. At the end of the 2nd year, the student will spend 3 month at IDEOL in La Ciotat (supervisor Riccardo Mariani) to work on a study case on the modelling of heave-plates for barge-like foundation.
- Salary: The successful candidates will be employed on a full-time basis
with a competitive salary in accordance with the MSCA rules and the
personal circumstances of the applicant. The successful candidate will
receive a financial package consisting of MSCA living allowance and
mobility allowance. Eligible applicants with a family will also receive
an additional family allowance according to the rules of the MSCA. The
exact (net) salary will be confirmed upon appointment and will depend on
a Host Institution's local tax regulations.
- Supervision: ESRs will benefit from joint
supervision and multi-sectoral advisory committees, ensuring the
successful completion of their Individual Research projects.
- Training: In addition to their individual scientific projects ESRs will be collaborating with world leading research groups
within the Consortium through secondments. All ESRs will benefit from
extensive and varied further continuing education, completing a series
of carefully designed training modules and transferable skills courses;
they will participate in symposia, workshops and international
conferences and will have meaningful exposure to the industrial
environment through FLOAWER industrial partners.
Applicants need to fully respect three eligibility criteria (to be demonstrated in the CV):
- At the core of the MSCA-ITNs is researcher mobility. At the time
of commencing their FLOAWER employment, researchers must not have
resided or carried out their main activity (work, studies, etc.) in the
country of their (recruiting) host organisation for more than 12 months
in the 3 years immediately prior to their recruitment. Short stays, such
as holidays, are not taken into account
- Applicants must at the first day of their FLOAWER employment contract, be in the first four years (full-time equivalent research experience) of their research career and have not been awarded a doctoral degree. This research experience is measured FROM
the date when they obtain the degree which formally entitles them to
embark on a doctorate (either in the country in which the degree was
obtained or in the country in which the researcher is recruited, even if
a doctorate was never started or envisaged). Research Experience is
measured TO the first day of the FLOAWER employment contract of the researcher.
- English language proficiency: ESRs must demonstrate
proficiency in both written and spoken English. This is mandatory for
the ESRs to take full advantage of the training program.
A recruitment committee will evaluate the applications and contact the selected applicants for a teleconference interview.
Web site for additional job details
REQUIRED EDUCATION LEVELEngineering: Master Degree or equivalent
EURAXESS offer ID: 524521
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