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Nuclear thermal-hydraulics. [ LMECA2648 ]


6.0 crédits ECTS  40.0 h + 7.5 h   2q 

Teacher(s) Bartosiewicz Yann ;
Language French
Place
of the course
Louvain-la-Neuve
Main themes
  • Reactor heat generation
  •  Transport equations (single-phase & two-phase flow)
  • Thermal analysis of fuel elements
  • (Single-phase fluid mechanics and heat transfer)'usually already known
  • Two-phase flow dynamics
  • Two-phase heat transfer
  • Single heated channel; steady state analysis
  • Single heated channel; transient analysis
  • Flow loops
  • Utilisation of established codes and introduction to advanced topics (modelling and thermalhydraulics for GEN4 reactors)
Aims
  • To be familiarised with various reactor types and their main design and operational characteristics
  • To learn how to estimate the volumetric heat generation rate in fission reactor cores under normal operation and shutdown conditions
  • To learn how to analyse the thermal performance of nuclear fuel elements
  • To learn the basic fluid mechanics of single phase reactor cooling systems
  • To learn to calculate pressure drop in reactor systems, including tube bundles, and spacer grids
  • To learn to analyse the heat transfer characteristics of single phase reactor cooling systems
  • To learn the basic fluid mechanics of two-phase systems, including flow regime maps, void-quality relations, pressure drop, and critical flow
  • To learn the fundamentals of boiling heat transfer, and its implications for reactor design
  • To learn the fundamentals of core thermal design, with attention to design uncertainty analysis and hot channel factors.
Evaluation methods

Closed book - oral

Teaching methods
  • 2 t.m.: 40h teaching + seminar and 15h practical works in classroom
  • SCK.CEN guidance for demonstrations with codes
  • SCK.CEN + UCL TA for practical works

The course takes place at the Nuclear Research Centre of Belgium (SCK.CEN) in gthe framework of the BNEN interuniversity programme (see: http://www3.sckcen.be/bnen/). One makes use of the software available at the research centre.

Content
  • Reactor heat generation
  •  Transport equations (single-phase & two-phase flow)
  • Thermal analysis of fuel elements
  • (Single-phase fluid mechanics and heat transfer)'usually already known
  • Two-phase flow dynamics
  • Two-phase heat transfer
  • Single heated channel; steady state analysis
  • Single heated channel; transient analysis
  • Flow loops
  • Utilisation of established codes and introduction to advanced topics (modelling and thermalhydraulics for GEN4 reactors)

 

Bibliography

REFERENCE BOOKS ON THE CONTENT

  • Todreas, N.E. and Kazimi, M.S. Nuclear System I: Thermal Hydraulic Fundamentals, Hemisphere Publishing Corp., New York, 1990
  • Todreas, N. E. and Kazimi, M.S. Nuclear Systems II: Elements of Thermal Hydraulic Design, Hemisphere Publishing Corp., New York, 1990.
Other information

Yann BARTOSIEWICZ  yann.bartosiewicz@uclouvain.be
Professor at the Université Catholique de Louvain (UCL ' Louvain-la-Neuve)
Master in Turbulence modeling and Transfer Phenomena, Ecole Nationale Polytechnique de Grenoble, France, 1998.
PhD in Mechanical engineering, Université de Sherbrooke, Canada, 2003: Modeling of supersonic plasma jets in non-Local Thermodynamics Equilibrium
Research fields: Fluid mechanics, heat transfer, compressible flows, two-phase flows, thermodynamics, computational fluid dynamics
Teaching duties in BNEN: Nuclear Thermal Hydraulics
Other research activities: scientific leader for UCL in European projects in nuclear thermal-hydraulics:
NURESIM: CFD Simulation of instabilities in a stratified two-phase flows relevant to PTS scenario NURISP: Simulation of two-phase chocked flows during LOCA: implementation of non-equilibrium models in CATHARE 3
THINS: Direct and Large Eddy Simulation (DNS/LES) of convective heat transfer for low Prandtl fluids (Liquid metals)
UCL Promotor of other projects in energy
Other duties: Member of the CFD group at OECD, Member of the European Nuclear Engineering Network (ENEN)

SCK REFERENCE PERSONS
Simon Vanmaercke: simon.vanmaercke@sckcen.be

 

Cycle et année
d'étude
> Master [120] in Mechanical Engineering
> Master [120] in Electro-mechanical Engineering
Faculty or entity
in charge
> MECA


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