Dr. Sören Kliem

Reactor Safety
Phone: +49 351 260 2318

Department of Reactor Safety


Neutron physics and reactor dynamics

  • Validation and application to light water reactors and innovative reactor concepts of the Monte Carlo code SERPENT2
  • Application of the deterministic lattice code HELIOS-2
  • Development, verification and application of the in-house reactor dynamics code DYN3D
  • Extension of the DYN3D code to innovative reactor concepts
  • Coupling of DYN3D to the system code ATHLET
  • Coupling of DYN3D to the Computational Fluid Dynamics codes ANSYS CFX and TRIO_U

Plant dynamics and severe accident analysis

  • Accident analysis and analysis of plant dynamics using the ATHLET system code
  • Assessment of the impact of severe accident management measures on the progression of severe accidents in PWRs and VVERs

Monte-Carlo simulations (n- / γ-field calculations)

  • Development of the in house Monte Carlo code TRAMO
  • Fluence calculations of the of the reactor pressure vessel and internals using MCNP and TRAMO


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FWOR Jörg Konheiser Evgeny Nikitin André Gommlich Dr. Alexander Grahn Reuven Rachamin Dr. Silvio Baier Kerstin Kurde Dr. Emil Fridman Dr. Frank Schäfer Dr. Sören Kliem


NameBld./Office+49 351 260Email
Kliem Dr., Sören2318


NameBld./Office+49 351 260Email
Baier Dr., Silvio3034
Bilodid Dr., Yurii2020
Diaz Pescador, Eduard2407
Fridman Dr., Emil2167
Jobst, Matthias3572
Konheiser, Jörg2416
Kurde, Kerstin3025
Nikitin Dr., Evgeny2906
Pönitz Dr., Erik2067
Rachamin Dr., Reuven3291
Schäfer Dr., Frank2069
Yadav, Pratibha2537


Dr. Sören Kliem

Reactor Safety
Phone: +49 351 260 2318