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WEEK II: BEPU APPLICATIONS FOR SAFETY ANALYSIS
  • Upcoming Event:  BOKU University, Vienna (Austria), 5-16 July 2021
  • Registration deadline: May 06, 2021

                       

SUNBEAM - WEEK II: BEPU APPLICATIONS FOR SAFETY ANALYSIS

Session I: Licensing Framework and Best Estimate Plus Uncertainty (part 2 of 2)
•    Comprehensive Set of Acceptance Criteria for Deterministic Safety Analysis
•    Relevant Aspects for BEPU Applications in SAR
      o    Multi-Physics Coupling
      o    Role of I&C
      o    Connection with FSAR Chapter 16 and EOP
      o    Connection with Chapter 19
      o    Consistency Attribute of BEPU in SAR
      o    Safety Margins, Risk and BEPU

•    Current Issues in Digital I&C System Licensing Around the World Impacting on Safety Margins and Economics
•    Safety Analysis Issues Associated with Implementation of New Generation Reactors
•    Applicability of IAEA Safety Standards for SMRs

Session V: Uncertainty Analysis: Objectives and Methods (part 2 of 2)
•    GRS Method for Uncertainty and Sensitivity Evaluation of Code Results and Applications
      o    Demonstration of the Software System for Uncertainty and Sensitivity Analyses (SUSA)
•    CIAU (Code with the capability of Internal Assessment of Uncertainty) Method for Uncertainty Evaluation of Code Results
      o    The Ideas at the Basis of CIAU
      o    The CIAU Method: The Development Tool and the Application Tool
      o    Extension of the CIAU Methodology to 3D Neutron Kinetics/Thermal-hydraulics Coupled Codes: CIAU-TN
      o    CIAU Software
•    A Predictive Modeling Methodology: The CASUALIDAD (Code with the capability of Adjoint Sensitivity and Uncertainty
     AnaLysis by Internal Data ADjustment and assimilation) method

Session VI: Procedures for a Consistent Application of a BEPU Method in Licensing
•    SCCRED Methodology for BEPU application in a NPP Licensing Process. Overview
•    The Qualification Process of a NPP Evaluation Model in SCCRED, Part 1. The Validation of Code and of Nodalization Techniques
•    The Qualification Process of a NPP Evaluation Model in SCCRED, Part 2. The Similarity Analysis and the Kv Scaled Calculation

Session VII: BEPU Applications in Safety Analysis and Licensing Framework
•    Role and Importance of BEPU Safety Analysis in Licensing of LWRs
•    Westinghouse Realistic Large Break LOCA Methodologies: Evolution from Response Surface Methods to Statistical Sampling Technique
•    A Paradigm for Realistic Large Break LOCA Methodology
•    GEH Techniques for Establishing and Confirming Uncertainties for Transient and Accident Applications
•    BEPU applications for VVER
•    Full BEPU Application for Chapter 15 of Atucha-2 NPP

•    Data Management, Statistics and Trends in Deploying BEPU Industry Applications: An Overview
•    From a Conservative Approach to a BEPU Implementation for Spent Nuclear Fuel Characterisation and
     Safety Assessment from the Perspective of Geological Disposal

Session VIII: Reactor Physics and Fuel Performance Experiments and Uncertainty Analysis
•    International Reactor Physics Experiment Evaluation (IRPhE)
•    Reactor Simulations with Nuclear Data Uncertainties

•    Uncertainty Methods for Reactivity Events
•    International Fuel Performance Experiments (IFPE) database

•    Development of Accident-Tolerant Fuel (ATF)
•    Importance of Uncertainty Quantification in Nuclear Fuel Behavior Modelling and Simulation
•    US NRC’s Regulatory, Licensing and Technical Aspects of Fuel Performance, Transients and Accidents Analyses at NPPs

Session IX: Multi-Physics Multi-Scale Simulations and BEPU
•    Experiences in Multi-Physics and Multi-Scale Simulation Tool Development  
•    Consideration of Uncertainty Propagation in Coupled Code Systems
•    Uncertainty Quantification In Severe Accident Analysis
•    BEPU Methods using CFD Codes - Progress made within OECD-WGAMA CFD Activities
•    I&C Systems Simulation in Best Estimate Plus Uncertainty Safety Analysis