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Tesi etd-11212005-103204


Tipo di tesi
Tesi di laurea specialistica
Autore
Monteiro de Carvalho Junior, Osvaldo
Indirizzo email
mont_rj@uol.com.br
URN
etd-11212005-103204
Titolo
Coupled 3D neutronic and thermal-hydraulic codes applied to control rod ejection accident in PWR
Dipartimento
INGEGNERIA
Corso di studi
INGEGNERIA NUCLEARE E DELLA SICUREZZA INDUSTRIALE
Relatori
relatore Bovalini, Roberto
relatore Prof. D'Auria, Francesco Saverio
Parole chiave
  • 3D NK
  • Coupled codes
  • Parcs
  • Reactivity accident
  • Relap
  • Rod ejection
  • TH
Data inizio appello
21/12/2005
Consultabilità
Completa
Riassunto
Chapter 1 – INTRODUCTION

Chapter 2 – OVERVIEW OF 3D-NK-TH COUPLED CODES METHODOLOGY
2.1. COUPLED CODES APPROACH
2.2. FIELDS OF APPLICATION
2.3. COUPLED COMPUTATIONAL TOOLS REQUIRED
2.4. COUPLING PROCESSES
2.5. NEUTRONIC/THERMAL-HYDRAULIC NODALIZATION REQUIREMENTS

Chapter 3 – REFERENCE PLANT DESCRIPTION & ROD EJECTION ACCIDENT
3.1. REFERENCE PLANT DESCRIPTION
3.1.1. TERMAL-HYDRAULIC DATA
3.1.2. CORE AND NEUTRONIC DATA
3.2. CONTROL ROD EJECTION ACCIDENT

Chapter 4 – CODES AND PLANT MODELLING
4.1. INTRODUCTION
4.2. ADOPTED COMPUTATIONAL CODES
4.2.1. RELAP5/ MOD 3.3
4.2.2. PARCS
4.2.3. RELAP5/3D
4.2.4. NESTLE
4.3. COUPLING PROCESSES USED
4.3.1. RELAP/PARCS
4.3.2. RELAP 5/3D – NESTLE
4.4. THERMAL-HYDRAULIC MODELLING
4.5. 3D NEUTRON KINETIC MODELLING
4.6. CONTROL ROD WORTH CALCULATION

Chapter 5 – DISCUSSION OF ACHIEVED RESULTS
5.1 PROCEDURE AND LIST OF PERFORMED CALCULATIONS
5.2 STEADY-STATE CALCULATION
5.3 TRANSIENT CALCULATION
5.3.1 HZP – 1 CONTROL ROD EJECTION
5.3.2 HZP – COLLAPSED CONTROL ROD EJECTION
5.3.3 HFP – CONTROL ROD 40% EJECTION

Chapter 6 – CONCLUSIONS
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