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For the research group on Turbulence and Wind Energy lead by Dr. Claudia Brunner we seek to fill a

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The Max Planck Institute for Dynamics and Self-Organization is an international research institute in Göttingen, Germany. It performs both experimental and theoretical fundamental scientific research and currently employs about 300 people.

The research

Wind turbines are often grouped together in wind farms that cover large areas of land and sea. Due to the close spacing, wakes from upstream turbines influence downstream turbines, thereby reducing their power output. We study the fundamental fluid dynamics associated with wind turbine wakes and turbine-turbine interactions with the aim of optimising the efficacy of wind farms. The fundamental challenge in the study of wind turbines lies in the large separation of scales, which is represented by the Reynolds number. e conduct our research in the Max Planck Variable Density Turbulence Tunnel, which uses compressed SF6 to achieve very high Reynolds numbers at low velocities. We use Lagrangian particle tracking and hot-wire velocimetry to sample the flow. In addition, we develop next-generation hot-wire technology for atmospheric turbulence measurements. Atmospheric turbulenceaffects wind turbine performance, as well as weather and climate processes. Atmospheric turbulenceaffect wind turbine performance, as well as weather and climate processes. It is notoriously difficult to study because conventional sensors are fragile, costly and lack spatial resolution. We develop hot-wiretechnology for use in harsh outdoor environments.

**Profile**:

- a PhD degree in physics, engineering or a related field
- ability and desire to work in a diverse and international team
- good command of English. German language skills are not required**

Our Offer

We are offering excellent working conditions in a highly international and interdisciplinary research environment. The postdoctoral position is for one year initially with the possibility of extensions. Salary and working hours follow the funding guidelines of the Max Planck Society for scientists: fulltime; salary is E13 TVöD-Bund. The starting date is flexible.

Max Planck Institute for Dynamics and Self-Organization

Please contact

Dr. Claudia Elizabeth Brunner

**should you have further questions**: