Postdoc position: Direct numerical simulations of high Rayleigh number thermal convection

Країна: Нідерланди;

Місто: Enschede

Додана: 19.06.2019

Роботодавець: University of Twente

Дедлайн подачі: 15.07.2019

 

Are you fascinated by physics and interested in developing state-of-the-art fluid dynamics computer simulations to better understand real-world problems? Are you ambitious and dynamic? Do you strive for excellence?

We are looking for a Postdoc to carry out state-of-the-art research on turbulent convection. Thermal convection plays a crucial role in natural and industrial settings, from astrophysical and geophysical flows to process engineering. The paradigmatic representation of thermal convection is Rayleigh–Bénard flow; a layer of fluid heated from below and cooled from above. Over the last decades, major progress on direct numerical simulations of Rayleigh–Bénard convection has been achieved. In this postdoc project, funded by an ERC starting grant, you will further develop and use state-of-the-art direct numerical simulations to investigate very high Rayleigh number convection. The goal is to use direct numerical simulations to understand the transition to the so-called 'ultimate’ regime of thermal convection and to the explain the difference observed among various high Rayleigh number experiments. To better understand physical effects that influence or control the transition to the ‘ultimate’ regime, we plan to perform numerical experiments to study, for example, the effect of Non-Oberbeck-Boussinesq effects and sidewall properties on heat transport in highly turbulent flows. The aim is to achieve full dynamical similarity at realistic flow conditions, so the simulations can be used to better understand and optimize the design of thermal convection experiments. 

Location

You will work in the Physics of Fluids group at the University of Twente (UT) in the Netherlands. The research in our group covers a variety of aspects in fluid mechanics. Our group focuses on understanding fundamental fluid physics phenomena using experiments, simulations, and theory. Our group is embedded in the Twente Max Planck Center, the J.M. Burgers Research Center for fluid mechanics, and the MESA+ and MIRA Institutes. Our group has access to several top supercomputers in the world. For further information, you are encouraged to view http://pof.tnw.utwente.nl and https://stevensrjam.github.io/Website/ to read our recent publications on the topic. 

Your profile

You have a PhD in applied physics or mechanical engineering, or in a closely related discipline. You have strong communication skills, including fluency in written and spoken English. You are enthusiastic, and highly motivated to do research.

How to apply

Potential applicants are encouraged to apply to Dr. Richard Stevens (r.j.a.m.stevens@utwente.nl).

Applications should include the following documents:

  • A motivation letter describing why you want to apply for this position.
  • Description of your research interests.
  • A detailed CV including a list of your publications.
  • Email addresses of at least two references who are willing to send a letter of recommendation on your behalf.
  • An interview with a scientific presentation will be part of the interview process.

Our offer

We want you to play a key role in an ambitious project in an inspiring and stimulating international work environment.

  • We provide excellent mentorship and a stimulating, modern research environment with world-class research facilities.
  • You will have an employment contract for the duration of 2 years, with extension possible under mutual agreement, and you are eligible for all employee benefits the UT offers.
  • You will be embedded in a dynamic research group with colleagues working on similar topics.
  • Additionally, the UT is a green campus with excellent facilities and resources for professional and personal development.
  • We strive for diversity and fairness in hiring.
  • Salary and conditions are in accordance with the Collective Labor Agreement (CAO) of the Dutch Universities. The gross monthly salary starts at € 3.255,- gross per month, for postdoctoral researchers that just finished their PhD, excluding allowances in accordance with the job profile ‘Researcher level 4’ (scale 10.4), under the University System for Job Classification (UJC).
  • Additionally, the University of Twente provides excellent facilities for professional and personal development, a holiday allowance (amount to 8%) and an end of year bonus of 8.3%.

The organization

The University of Twente. We stand for life sciences and technology. High tech and human touch. Education and research that matter. New technology which leads change, innovation and progress in society. The University of Twente is the only campus university of the Netherlands; divided over five faculties we provide more than fifty educational programmes. We have a strong focus on personal development and talented researchers are given scope for carrying out groundbreaking research.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status or disability status. Because of our diversity values we do particularly support women to apply.

Within the TNW Faculty (Faculty of Science & Technology) of the University of Twente some 700 staff members and 2000 students are involved in training and research on the interface of chemical technology, applied physics and biomedical technology. Fields of application include sustainable energy, process technology and materials science, nanotechnology and technical medicine. Research, which enjoys a high profile both at home and internationally, has been accommodated in the multidisciplinary research institutes: Mesa+ Institute, TechMed Centra and Digital Society Institute. The faculty works together intensively with industrial partners and researchers in the Netherlands and abroad and conducts extensive research for external commissioning parties and funders.

 
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