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Labwork in PWR simulator - 5PMGSIR0

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Number of hours
- Laboratory works : 12.0
ECTS : 1.0

Goals

The objectives of this course are to show :

the physics of the core behaviour iand in particuld'une part, d'illustrer la physique du coeur, en particulier le couplage neutronique - thermohydraulique (coefficients de température Doppler et modérateur), à travers différents phases d'exploitation d'un réacteur,
the system as a whole is reactor is studied with all the complexity of the links between the nuclear core and the power grid.

Those at different states of the reactor operation :

at "zero" power, i.e. without thermal feedbacks,
before the coupling to the grid ("core driven"),
after the coupling to the grid ("turbine driven").

Contact Adrien BIDAUD, Pablo RUBIOLO, Nordine KERKAR

Content

The course is based on the use of the numerical simulator SIREP 1300MW of CORYS.

Lab 1

Sub-critical approach, divergence, power stabilization,
Search of Point Of Added Heat (power level where thermal feedbacks appear), temperature feedback coefficients measurement

*Lab 2

Evaluation of the worth of core controls : Boron, control rods,
Power ramp up before grid connection ("core driven"), use of main systems for heat exchange.

*lab 3

Power ramp up after grid connection ("turbine driven"), behavior without core control by the operator,
Load following : temperature program, axial offset, core controls.

The simulator is very easy to use.
A text book is available.

Prerequisites

Pressurized Water Reactors : principle and main systems.
Neutronics
Thermohydraulics
Two-phase thermodynamics
Nuclear Reactor Kinetics

Tests

evaluation is based on

written preparation (Prepa)
final Report (CR)describing
the evolution of key parameters during simulated transients
simple modeling of those transients demonstrating the understanding of the most important phenomena

note = 30%Prepa + 70%CR

Additional Information

Course list

Curriculum->MASTER IN / NUCLEAR ENERGY->Semester 9

Curriculum->GEN->Semester 9

Curriculum->Double-Diploma Engineer/Master->Semester 9

Curriculum->Master->Semester 9

Bibliography

Nordine Kerkar et Philippe Paulin « Exploitation des coeurs REP » - Collection Génie atomique INSTN/EDP-Sciences

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