Postdoc in Hydrodynamic Response Analysis of Floating Wind Turbines

tirsdag 09 jul 19

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Frist 24. august 2019
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The Department of Wind Energy in the Technical University of Denmark (DTU Wind Energy) is seeking a postdoc for the Section of Fluid Mechanics.

DTU Wind Energy is a mission driven university department with a vision to be the preferred university partner for the global wind energy sector. The department creates value for society through integration of research with education, innovation and research-based consultancy within key fields central to the development and use of wind energy.

We have a strong research track record within floating wind power. The present position is linked with a new H2020 project, COREWIND, with a focus on mooring dynamics for floating wind turbines at the farm level.

Please look at
www.vindenergi.dtu.dk for more details on the type of activities we undertake.  

Floating wind power is in rapid development, with several demonstration projects being built presently. The floaters play a major role for the cost and feasibility. They must provide sufficient support for the turbine under operation, and also allow easy installation and assembly.

The present project focuses on detailed hydrodynamic modelling of floaters for 15MW class wind turbines. The basic dynamics for the full system can be described to good approximation with a linear model, based on radiation diffraction theory or the Morison equation driven with 1
st or 2nd-order wave kinematics. Detailed hydrodynamic analysis can next be carried out with hydrodynamic CFD. This setup will be used to model installation loads of such floaters, where the floater is not yet fully ballasted. Extreme wave analysis will also be conducted in this setup.

The position is part of the H2020 COREWIND project. Model scale experiments will be conducted by IH Cantabria. Analysis and re-modelling of the test results will be carried out as part of the post doc research.

Responsibilities and tasks
The postdoc position involves both numerical model development, model application and validation against experimental measurements from the COREWIND project. The tasks include: 

  • Modelling of a 15 MW floating wind turbine in DTUs HAWC2 aero-elastic model
  • Establishment of a linearized simplified model
  • Establishment of a hydrodynamic CFD model in OpenFOAM
  • Simulation study of installation with identification of critical load effects
  • Simulation studies of extreme wave loads
  • Analysis of experimental data and comparison to the numerical model output 
Further, the candidate will contribute to teaching and supervision of MSc and PhD students.

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DTU’s job and career structure for scientific staff

Qualifications
Candidates should have a PhD degree or equivalent. The successful candidate is required to have: 
  • Documented knowledge of Hydrodynamics and Offshore engineering
  • Documented knowledge on wave hydrodynamics and nonlinear wave theory
  • Experience with hydrodynamic CFD modelling
  • A well developed physical understanding
  • Documented programming skills
  • Ability to work in a project team and take responsibility for own research goals
  • Fluency in communicating and reporting in English
Experience with application of aero-elastic models and knowledge of offshore wind turbines will be considered an advantage.

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility. The candidate will become a member of the Fluid Mechanics Section at DTU Wind Energy and collaborate with colleagues here and international partners of the COREWIND project.

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union. The position has a duration of 2.5 years.

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career paths at DTU here

Further information
Further information may be obtained from Professor Henrik Bredmose, hbre@dtu.dk, +45 4525 4315 or Head of Section, Professor Jens Nørkær Sørensen, jnso@dtu.dk, +45 4525 4314.

You can read more about DTU Wind Energy on
www.vindenergi.dtu.dk/english

Application procedure
Please submit your online application no later than 24 August 2019 (local time). Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online", fill out the online application form, and attach all your materials in English in one PDF file. The file must include: 
  • Application (cover letter)
  • CV
  • Diploma (MSc/PhD)
  • List of publications
Applications and enclosures received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.

The Department of Wind Energy is one of the world’s largest centres of wind energy research and knowledge, with a staff of more than 240 people from 37 countries working in research, innovation, research-based consulting and education. DTU Wind Energy has approximately 40 PhD students. The department’s cross-disciplinary research is organized through strategic research programmes that collaborate with Danish and international universities, research institutions and organizations, as well as the wind industry. 

DTU is a technical university providing internationally leading research, education, innovation and scientific advice. Our staff of 6,000 advance science and technology to create innovative solutions that meet the demands of society, and our 11,200 students are being educated to address the technological challenges of the future. DTU is an independent university collaborating globally with business, industry, government and public agencies.