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Javier Burguete <[log in para visualizar]>
Mon, 30 Sep 2019 12:30:33 +0200
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Os reenvío una oferta de Post doc en el HZDR Dresden


*Research Associate/Postdoc (m/f/d)*

A member of the Helmholtz Association of German Research Centers, the 
HZDR employs about 1,200 people. The Center's focus is on 
interdisciplinary research in the areas energy, health and matter.

The Institute of Fluid Dynamics is conducting basic and applied research 
in the fields of thermo-fluid dynamics and magnetohydrodynamics in order 
to improve the sustainability, the energy efficiency and the safety of 
industrial processes.

As part of the Institute, the Department of Magnetohydrodynamics, 
invites applications as Research Associate/Postdoc (m/f/d).

The position will be available from 1st January 2020. The employment 
contract is limited to three years.


The appearance of thermal superstructures in turbulent convection within 
very low Prandtl number fluids will be investigated experimentally in a 
large aspect ratio domain. The experiments will be conducted using the 
liquid metal Gallium-Indium-Tin (GaInSn) that has a Prandtl number of 
𝑃𝑟 ≈ 0.03. Combined temperature and velocity measurements will provide 
detailed information about turbulent, convective superstructures and 
their dynamics. A novel Ultrasound-Doppler-Array technique will be used 
to measure for the first time two dimensional velocity vector fields of 
the superstructures in a turbulent liquid metal convection.

The project includes the following tasks:

  * preparation and operation of a Rayleigh-Bénard convection cell for
    liquid metal
  * measurements of global transport laws for heat and momentum
  * simultaneous measurements of flow velocity using ultrasound Doppler
    velocimetry and temperature distribution using thermocouples
  * investigation of the three-dimensional flow structure and dynamics
    of turbulent superstructures
  * comparison of the results to direct numerical simulations (carried
    out by project partners)


  * completed doctorate in physics, mechanical engineering or comparable
  * a strong technical and physical understanding is mandatory
  * background knowledge on thermal convection would be advantageous

    We offer:

  * high scientific professional networking as well as scientific excellence
  * internationality and diversity
  * interesting and diverse tasks, flexible working hours, salary based
    on the collective agreement TVöD-Bund
  * equality of opportunity and family-friendly structures, corporate
    health management
  * attractive work and research terms in a highly motivated team

Kindly submit your completed application (including cover letter, CV, 
diplomas/transcripts, etc.) only via our Online-application-system.

*Online application* English 
<https://www.hzdr.de/db/!BewerbungS1?pNid=490&pJid=880&pLang=en> / 
German <https://www.hzdr.de/db/!BewerbungS1?pNid=490&pJid=880&pLang=de>


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