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Scientific Works

The listed works are examples of tasks.
For further tasks, please contact Prof. Marco K. Koch or
the scientific staff of the working group directly.

Guide Scientific Work   (234.5 kB)
Redirection to the Moodle Course - scientific works

Caption

  • B - Bachelor

  • M - Master

  • S - Student Research Project

  • P - Project Work



Open works

Nicole Richter
richter@pss.rub.de
Juliane Neuhaus
neuhaus@pss.rub.de

Title:
Further development of an artificial neural network for predicting the long-term cooling of particle debris

M

to the Task!   (166.9 kB)

Tobias Jankowski
jankowski@pss.rub.de

Title:
Modeling of an experimental plant and variation calculations of the design layout

external M

to the Task!   (917.7 kB)

Tobias Jankowski
jankowski@pss.rub.de

Title:
Simulation of the light gas layer test TH-26 with OpenFOAM

B / P 

to the Task!   (151.5 kB)

selected works in progress

Negar Najafianpour
najafianpour@pss.rub.de

Jan Peschel
peschel@pss.rub.de

Title:
Analysis of the thermodynamic behaviour during the late phase core melt progression based on simulations of the ACRR experimental reactor with the AC² program package

B

to the Task!   (294.0 kB)

Jan Peschel
peschel@pss.rub.de

Title:
Investigation of the coolability of debris beds by simulating experiments from the DEBRIS test series with the accident analysis code AC²

P / B

to the Task!   (197.9 kB)

Florian Krist
krist@pss.rub.de

Title:
Investigation of the influence of asymmetric effects during the accident progression in TMI-2 with the accident analysis code AC²

B / M

to the task!   (179.0 kB)

Florian Krist
krist@pss.rub.de

Title:
Simulation and analysis of the thermodynamic behaviour in spent fuel pools with the accident analysis code AC²

B / M

to the task!   (178.6 kB)

Florian Krist
krist@pss.rub.de

Title:
Analysis of the impacts of chemical reactions on fission product release from molten core material

B / M (S)

to the task!   (450.5 kB)

Completed works
Master Thesis
2018
  • Florian Krist
    Analysis of the melt behavior in the lower plenum based on simulations of the experiments LIVE-L10 and -L11 with the system code ATHLET-CD
    Supervisor at PSS: Dr.-Ing. Christian Bratfisch, Dr.-Ing. Florian Gremme
2019
  • Gregor T. Stahlberg
    Analysis of the numerical mapping of the behavior of dissolved gases in the course of a pressure surge event with the thermohydraulics code ATHLET
    Supervisor at PSS: Dr.-Ing. Christoph Bratfisch

  • David Sonntag
    Investigation of detailed phenomena during re-flooding of destroyed reactor cores with the CFD code OpenFOAM
    Supervisor at PSS: Dr.-Ing. Florian Gremme, M.Sc. Jan Peschel

  • René Vennemann
    Experimental investigation of the retention of soluble particles in a water seal
    Supervisor at PSS: Dr.-Ing. Tobias Jankowski

  • Christoph Menne
    Analysis of the reflooding of debris beds based on simulations of the DEBRIS test facility with the system analysis code COCOMO
    Supervisor at PSS: M. Sc. Jan Pesche
2020
  • Jan-Hendrik Oelrichs
    Investigation and evaluation of the emission factors of natural gas along different process chains
    Supervisor at PSS: M.Sc. Florian Krist

  • Miriam Müer
    Analysis of the cooling capability of packed beds based on simulations of generic PWR plants with the accident analysis code ASTEC V2.1
    Supervisor at PSS: M. Sc. Jan Peschel, M. Sc. Gregor Stahlberg

  • Jonas Rehrmann
    Testing of a correlation for the laminar flame speed in a hydrogen-air-steam mixture with COCOSYS
    Supervisor at PSS: M. Sc. Johannes Hoffrichter

  • Christian Sälker
    Simulation and analysis of pressure surge phenomena with ANSYS Fluent
    Supervisor at PSS: M. Sc. Paul Fuchs
2021
  • Yusuf Arslan
    Simulation and analysis of cavitation-driven pressure surge phenomena using the open source code OpenFOAM
    Supervisor at PSS: M. Sc. Paul Fuchs

  • Nicole Richter
    Further development of a generic plant data set for the simulation and analysis of the release and transport behavior of fission products
    Supervisor at PSS: M. Sc. Gregor Stahlberg, M. Sc. Florian Krist

  • Melina Begemann
    Calculation of temperature curves and grace periods assuming various loss-of-coolant accidents at the fuel pool of a pressurized water reactor
    Supervisor at PSS: M. Sc. Miriam Müer
2022
  • Tobias Schwantzer
    Uncertainty and sensitivity analysis of flood specific parameters with the system code AC² - COCOSYS and the code SUSA
    Supervisor at PSS: M. Eng. Maximilian Hoffmann
     
  • Egemen Yildiz
    Analysis of vapor bubble behavior in boiling liquids
    Supervisor at PSS: M. Sc. René Vennemann
     
  • Juliane Neuhaus
    Analysis of the fission product release based on the simulation of the integral test Phébus FPT4
    Supervisor at PSS: M. Sc. Florian Krist, M. Sc. Jan Peschel
2023
  • Hamza Nouidir
    Simulation and analysis of bubble boiling in helical heat exchangers with OpenFOAM
    Supervisor at PSS: M. Sc. Paul Fuchs
  • Francis Kinda Olinga
    Development of a process for drying radioactive salt solutions to create containers suitable for final disposal
    Supervisor at PSS: M. Sc. Miriam Müer
  • Jan Disman
    Analysis and simulation of appropriate QUENCH experiments with respect to advanced accident-tolerant materials using AC2
    Supervisor at PSS: M. Sc. Gregor Stahlberg
2024
  • Johannes Brixy
    Modelling of the impacts of material conversion processes on fission product behaviour in a molten pool
    Supervisor at PSS: M. Sc. Florian Krist
  • Thorben Schmücker
    Development of an approach for an artificial neural network to predict the long-term cooling of particle debris
    Supervisor at PSS: M. Sc. Nicole Richter, M. Sc. Juliane Neuhaus
Bachelor Thesis
2019
  • David Emeis
    Simulation and analysis of pressure surge phenomena with OpenFOAM
    Supervisor at PSS: M. Sc. Paul Fuchs

  • Thomas Steiner
    Simulation and analysis of cavitation processes in pipelines during fast valve closures with OpenFOAM
    Supervisor at PSS: M. Sc. Paul Fuchs

  • Konrad Valentin Telaar
    CFD simulation of hydrogen combustion in a hydrogen-air atmosphere with OpenFOAM
    Supervisor at PSS: M. Sc. Johannes Hoffrichter
2020
  • Hamza Nouidir
    Analysis and evaluation of heat transfer at tube surfaces of helical shell-and-tube heat exchangers
    Supervisor at PSS: M. Sc. Julia Krieger, M. Sc. David Sonntag

  • Peter Kruse
    Analysis of condensation phenomena and pressure oscillations due to note injections during a LOCA with the system code ATHLET
    Supervisor at PSS: Dr.-Ing. Christoph Bratfisch
2021
  • Nazim Dogan
    Simulation of the CCI-1 experiment of the OECD test series at different destruction temperatures and destruction enthalpies of the concrete with the system code AC² - COCOSYS
    Supervisor at PSS: M. Eng. Maximilian Hoffmann

  • Enno Müller
    Re-flooding with AC² (DWR)
    Supervisor at PSS: M. Sc. Gregor Stahlberg
2022
  • Maximilian Mellis
    Testing and further development of a correlation for mapping particle retention in the SAAB test facility experiments
    Supervisor at PSS: Dr.-Ing. Tobias Jankowski
2023
  • Henning Königsstein
    Simulation of light gas layer dissolution by natural convection with OpenFOAM
    Supervisor at PSS: Dr.-Ing. Tobias Jankowski, M. Sc. Paul Fuchs
  • Julian Franz
    Further development of a data set for the simulation of an integral pressurized water reactor with the system code AC²-ATHLET
    Supervisor at PSS: M. Sc. Julia Krieger
2024
  • Christopher Knoff
    Creation of a vehicle concept for the underground transportation and disposal of final storage containers
    Supervisor at PSS: Dr.- Ing. Tobias Jankowski, M. Sc. Johannes Hoffrichter (external work: GNS)
  • Grechanyi, Andrei
    Simulation and analysis of the bundle test AIT-1 of the CODEX test series with AC2-Athlet-CD
    Supervisor at PSS: M. Sc. Grgeor Stahlberg
2025
  • Simon Schmittert
    Analysis of thermodynamic behavior during the displacement of molten cores in the late accident phase based on simulations of the ACRR experimental reactor using the AC2 program package
    Supervisor at PSS: M. Sc. Negar Najafianpour, Dr.-Ing. Jan Peschel
  • Tim Hammacher genannt Brüner 
    Analysis and mathematical description of the release of fission products from molten nuclear material under the influence of chemical reactions
    Supervisor at PSS: M. Sc. Florian Krist
  • Tobias Kranzusch 
    Further development of a simulation model of the COAL pilot plant using the thermohydraulic code AC2
    Supervisor at PSS: M. Sc. Gregor Stahlberg
Project Work
2018
  • Leigh Randle
    Simulation of hydrogen combustion in a homogeneous gas atmosphere with the CFD code OpenFOAM
    Supervisor at PSS: Dr.-Ing. Tobias Jankowski
2019
  • Vanessa Kaub
    Simulation and analysis of meltdown behavior in the lower plenum of the Fukushima-Daiichi Unit 3 reactor using the accident analysis code ATHLET-CD
    Supervisor at PSS: Dr.-Ing. Christoph Bratfisch
2020
  • Roderick Tom, Mbolda Touko
    Evaluation of the influence of the enthalpy of destruction of concrete on erosion retention and gas release during a melt-concrete interaction
    Supervisor at PSS: M. Eng. Maximilian Hoffmann

  • Nazim Dogan
    Evaluation of factors influencing the effective heat transfer coefficient between concrete and melt during a melt-concrete interaction
    Supervisor at PSS: M. Eng. Maximilian Hoffmann

  • Nicole Richter
    Analysis and evaluation of the current state of the art on flow influences on the thermodynamic properties of helical shell and tube vaporizers
    Supervisor at PSS: M. Sc. Julia Krieger, M. Sc. David Sonntag

  • Peter Kruse
    Analysis of the reflooding of debris beds based on simulations of the DEBRIS test facility with the system analysis code ASTEC V2.1
    Supervisor at PSS: M. Sc. Jan Peschel

  • Simon Menke
    Simulation of the THAI experiment TH-29.1 with COCOSYS
    Supervisor at PSS: Dr.-Ing. Tobias Jankowski
2021
  • Kai Schmuckat
    Analysis of the numerical calculation of pressure surge phenomena with the CFD tool OpenFOAM and the system code ATHLET
    Supervisor at PSS: Dr.-Ing. Christoph Bratfisch, M. Sc. Paul Fuchs
2022
  • Sebastian Cords
    Analysis of accident-tolerant BE concepts using simulations of a bundle test of the QUENCH test series with the system code ATHLET-CD (AC²)
    Supervisor at PSS: M. Sc. Gregor Stahlberg

  • Julian Franz
    Creation of a generic ATHLET baseline dataset for simulating the indefinite post-decay heat removal of submerged SMR containment vessels
    Supervisor at PSS: M. Sc. Julia Krieger

  • Henning Königstein
    Investigation of flow structures within helical tubes under variation of specific dimensionless indices with OpenFOAM
    Supervisor at PSS: M. Sc. David Sonntag
     
  • Sujenth Suhan
    Simulation of the reflooding of debris beds in the DEBRIS test facility with the system analysis code ASTEC V2.1
    Supervisor at PSS: M. Sc. Jan Peschel
2023
  • Maximilian Mellis
    Modeling of particle retention for different aerosols in a large-scale test facility
    Supervisor at PSS: Dr.-Ing. Tobias Jankowski, M. Sc. René Vennemann
  • Sara-Luise Maxara
    Numerical simulation and analysis of water hammer phenomena considering Consideration of fluid-structure interaction with OpenFOAM
    Supervisor at PSS: M. Sc. Paul Fuchs
2024
  • Vikrant Patel
    Analysis and evaluation of the properties and behavior of accident-tolerant cladding tubes in power reactors
    Supervisor at PSS: M. Sc. Gregor Stahlberg
2025
  • Laurin Hülsmann
    Comparative evaluation of different types of artificial neural networks and analysis of their suitability for describing the long-term coolability of fluidized beds
    Supervisor at PSS: M. Sc. Nicole Richter, M. Sc. Juliane Neuhaus
  • Ruth Laurelle Mafok Kamdoum
    Simulation of the QUENCH-07 bundle test with the system analysis code ASTEC V2.1
    Supervisor at PSS: Dr.-Ing. Jan Peschel
  • Tim Hammacher gen. Brüner
    Analysis of the effects of chemical reactions on the release of fission products from molten nuclear material
    Supervisor at PSS: M. Sc. Florian Krist

Internships

Due to a multitude of projects there is close contact to companies in energy technology and research institutions in the whole of Europe.
It is possible to mediate internships upon request.