Phd Student In Aerodynamics (M/F)

Universities and Institutes of France

France

August 6, 2021

Description

  • Organisation/Company: CNRS
  • Research Field: Chemistry Engineering Physics
  • Researcher Profile: First Stage Researcher (R1)
  • Application Deadline: 06/08/2021 23:59 - Europe/Brussels
  • Location: France › NANTES
  • Type Of Contract: Temporary
  • Job Status: Full-time
  • Hours Per Week: 35
  • Offer Starting Date: 01/10/2021
  • The work will be performed at Ecole Centrale Nantes, in two research teams, DAUC and METHRIC, of the LHEEA laboratory. The aerodynamic laboratory will be used by the PhD candidate. This work will be performed with interaction of partners from the ANR MOMENTA project

    Wind energy is a clean and renewable source of energy that remains one of the solution to decrease carbon emissions and curb global warming. However, a key issue for the associated wind energy technologies to be cost-effective, is to increase the rotor lifetime. Focusing on the most mature technologies, the multi-megawatt Horizontal Axis Wind Turbines (HAWT), the environments in which they operate is responsible of important load fluctuations inducing additional fatigue that can lead to damages. In the framework of the ANR MOMENTA project (https: // lheea.ec- nantes.fr/equipes-de-recherche/dauc-dynamique-de-latmos...), objectives are to improve aero-elastic simulations for loads encountered by operated wind turbines. The particular case of wake-induced turbulence inflows (i.e. when a turbine is in the wake of another turbine) will be treated as outputs regarding this configuration will allow a better optimization of wind turbine arrangements in offshore wind farms.

    The PhD candidate work will focus on the aerodynamics of rigid wind turbine blades under inflow perturbations. This work will be performed within the ANR MOMENTA project, with a coupling approach using experiments at LHEEA's aerodynamic wind tunnel (https: // lheea.ec-nantes.fr/test-facilities/test- facilities-for-micromete... ) and simulations using the LHEEA's ISIS-CFD software (https: // lheea.ec-nantes.fr/english-version/research- impact/software-and-... ). The final objective is to have a detail characterization of the aerodynamic impact from inflow perturbations encountered on real environments, which characteristics will be provided from test site measurements performed in the ANR MOMENTA project. As a first step, the perturbation developed by Neunaber & Braud (2020) will be used, then this perturbation will be adapted to reproduce as much as possible turbulence perturbations found on a real site. Simulations will be performed in parallel with increasing difficulties. Firstly, URANS computations will be performed from a 2d non-rotating rigid blade towards 3D DES computations on a 3d rotating blade. Also, simulations will first reproduce wind tunnel experiments at small scales, then it will be extended progressively towards a full scale 2MW wind turbine operated by VALOREM in the ANR MOMENTA project. Outputs of the thesis will be used in aero-elastic simulations conducted by other partners of the ANR MOMENTA project. The PhD candidate will perform both experiments and simulations for inflow perturbations with increasing complexity. Experimentally, global (lift/drag) and local (pressure/Time-Resolved PIV) measurements will be performed simultaneously for

    The PhD candidate will perform both experiments and simulations for inflow perturbations with increasing complexity. Experimentally, global (lift/drag) and local (pressure/Time-Resolved PIV) measurements will be performed simultaneously for chosen configurations. Similar configurations will be reproduced in simulations to complete the database.

    The PhD candidate should have a Master in fluid mechanics -or equivallent- with ideally experimental and simulation experience in wind energy aerodynamics.

    Neunaber & Braud (2020) Wind Energ. Sci., 5, 759–773, 2020

    Web site for additional job details

    https: // emploi.cnrs.fr/Offres/Doctorant/UMR6598-CATMOR-001/Default.aspx

    Required Research Experiences
  • RESEARCH FIELD
  • Engineering

  • YEARS OF RESEARCH EXPERIENCE
  • None

  • RESEARCH FIELD
  • Chemistry

  • YEARS OF RESEARCH EXPERIENCE
  • None

  • RESEARCH FIELD
  • Physics

  • YEARS OF RESEARCH EXPERIENCE
  • None

    Offer Requirements
  • REQUIRED EDUCATION LEVEL
  • Engineering: Master Degree or equivalent

    Chemistry: Master Degree or equivalent

    Physics: Master Degree or equivalent

  • REQUIRED LANGUAGES
  • FRENCH: Basic

    Contact Information
  • Organisation/Company: CNRS
  • Department: LABORATOIRE DE RECHERCHE EN HYDRODYNAMIQUE, ENERGÉTIQUE ET ENVIRONNEMENT ATMOSPHÉRIQUE
  • Organisation Type: Public Research Institution
  • Website: https:// lheea.ec-nantes.fr
  • Country: France
  • City: NANTES
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