PhD Student in Nuclear Power Safety, KTH Royal Institute of Technology, Sweden

Thermal Hydraulics and Safety of Innovative Nuclear Systems

KTH is the largest technical university in Sweden. Education and research cover a broad spectrum within natural sciences and engineering, as well as architectureindustrial engineering and management, urban planning, work science and environmental engineering. KTH has 13 344 fulltime equivalent students of whom 6 955 at Bachelor (first) level and 5 545 at Master (second) level. In addition 1 314 full-time equivalent students at doctoral studies (third) level and 3 900 employees.

The School of Engineering Sciences carries out a wide range of research at the international front line, from fundamental disciplines such as physics and mathematics, to engineering mechanics with applications such as aeronautics and vehicle engineering. We also offer University degree programs in Engineering Physics, Vehicle Engineering, ‘Engineering and Education’, and ‘Open Entrance’, as well as a number of International Masters Programs.

The Division of Nuclear Power Safety (NPS) performs research which encompasses nuclear reactor safety design, nuclear power plant system analysis, development of methods and models for deterministic and probabilistic safety analysis, experimental studies of nuclear power safety and multi-scale modeling of the relevant physical processes and phenomena. Important element of the research activity is the synergy between numerical and experimental studies of multi-phase flows, heat and mass transfer at different scales, ranging from the plant-scale system thermal-hydraulics, to component-scale multi-dimensional fluid dynamics, and down to phenomena-scale and direct numerical simulations. While advanced methods and tools exist for system and phenomenological analysis at individual scales, understanding of intricate processes and non-linear system behavior (as such may occur in complex engineering systems during abnormal transients and accidents) require a new analysis platform, which cuts across the multiple scales and couple multiple physics phenomena.

The Division of Nuclear Power Safety (NPS) at the Department of Physics of the Royal Institute of Technology (KTH-Stockholm, Sweden) invites applications for PhD study to conduct frontier research on “Thermal Hydraulics and Safety of Innovative Nuclear Systems” as part of her/his study towards a PhD degree in Nuclear Power Safety. Taken broadly, the research project aims to develop a theoretical basis and to advance computational methodologies for thermal-hydraulic safety analysis in advanced nuclear power plant (Generation IV) designs. Development and validation of methods for coupling between Computational Fluid Dynamics (CFD) and System Thermal-Hydraulics (STH) codes will be one of the tasks in the project.

A suitable background for this position would be a Master of Science in Engineering Physics or Mechanics with a specialization in Nuclear Engineering, Fluid Mechanics, Engineering Physics, Computational Science and Engineering, Physics or the equivalent. In addition to the traditional academic merits a degree project within physics, international experience and language skills are regarded as advantageous qualifications.

Applicants must be strongly motivated for doctoral studies, possess the ability to work independently and perform critical analysis as well as possessing good levels of cooperative and communicative abilities.

Form of employment: Time limited.
Start date: According to agreement.
The salary follows the directions provided by KTH.
The employment is four years with a possibility of extension up to five years. Up to 20 percent department duties are included in the employment.

Application deadline: 2011-08-13
Employers reference number: S-2011-0458

Applications via email to
Write reference number S-2011-0458 in the email subject!

Application shall include the following documents in PDF format:

  1. Statement of professional interest
  2. CV
  3. Transcript from university/university college
  4. Example of technical writing, e. g., essay, course report or paper

Dr. Pavel Kudinov, Associate Professor
Phone: +46 8 5537 8826

Trade union representative
Lars Abrahamsson, SACO
Phone: +46 8 790 7058


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