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SAFIR, Safety of nuclear power plants

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Title: SAFIR, Safety of nuclear power plants


1
SAFIR, Safety of nuclear power plants Finnish
national research programme 2003-2006
  • Overview of the programme
  • prepared by Eija Karita Puska, Director of SAFIR
  • http//www.vtt.fi/pro/tutkimus/safir

2
Background Nuclear energy RD
  • In Finland nuclear energy RD consist of research
    in three major areas
  • nuclear power plant safety (reactor safety), 39
  • waste management, 50
  • fusion, 10
  • In nuclear power plant safety nearly 40 of
    research is done in public research programmes
  • In waste management only 2 of research is in
    the public research programmes

3
Background - Nuclear Energy RD in Finland
(1999) Total volume 27 million
Research Areas
Funding Sources
Fusion Research 10
Others 6
Others 1
VTT 10
EU 6
FFUSION2
KTM 9
Reactor Safety 39
TEKES 11
XVO
4
3
ALWR
15
Power companies 53
STUK 5
FINNUS
Waste Management 50
4
JYT2001
4
Background Research programmes
  • The public NPP safety research in Finland is
    organised into reseach programmes and funded by
    several partners
  • KTM Finnish Ministry of Trade and Industry
  • VTT Technical Research Centre of Finland
  • STUK Finnish Radiation and Nuclear Safety
    Authority
  • Utilities Fortum Oyj and Teollisuuden Voima Oy
  • NKS Nordic co-operation in nuclear safety

5
Background - FINNUS 1999 - 2002
  • FINNUS Finnish national research programme on
    nuclear power plants safety1999 2002
  • Research areas NPP ageing, accidents and risk,
    with 11 separate research projects
  • Total volume 14,4 million and 130 person years
  • An extensive summary of the results is presented
    in the Final report and Executive summary
  • FINNUS produced nearly 600 publications
  • FINNUS took care of education of new generation
    by producing 26 academic degrees
  • See http//www.vtt.fi/pro/tutkimus/finnus and the
    printed publications for detailed information

6
Background - FINNUS 1999 - 2002
  • FINNUS contributed to the safe and economic use
    of nuclear power in Finland as a strong link in
    the chain of national research programmes by
  • developing tools and practices for safety
    authorities and utilities
  • providing a basis for safety-related decisions
  • educating new nuclear energy experts
  • promoting technology and information transfer
  • Research continues in SAFIR 2003 2006

7
SAFIR is The mid-field of research and education
Safety of nuclear power plants Finnish national
research programme
SAFIR
Safety case and licensing evidence
Regulatory inspections and reviews
Utility research
Regulatory research
2003-2006
National research programme
8
SAFIR mid-field
Safety of nuclear power plants Finnish national
research programme
Mid-field research activities
Research activities supporting regulatory inspecti
ons do not belong to SAFIR.
Research activities supporting licensing do
not belong to SAFIR.
Utilities (TVO, Fortum)
Regulatory body (STUK)
Ministry of Trade and Industry (MTI)
9
General SAFIR objectives
  • Basic preparedness
  • expertise
  • methods
  • Education
  • new experts
  • experienced experts
  • Networks
  • domestic
  • international

10
Planning of SAFIR - Future safety challenges
design analysis
integrity
function
physical barriers
plant functions
initiating events
operation
risks
safety management
11
Planning of SAFIR - Grouping of challenges
1
2
1. New fuel designs and enhanced use
2. Ensurance of integrity of an ageing reactor
circuit
4. New types of nuclear power plants
9. Plant lifetime management
4
3
6. Automation modernizations
7. Control room modernizations
3. Ensurance of containment integrity and
leak-tightness
8. Operational development with modern technology
5. Uncertainties associated with process safety
functions
5
11. Risk analysis of external effects
6
10. Development of organisational culture and
safety management
12. Risk-informed safety and operational
management
12
SAFIR 2003 The Research
  • 4 million and 31 person years
  • 19 research projects
  • VTT as the major research organisation (some 90
    of research), others
  • Lappeenranta University of Technology
  • Fortum Nuclear Services
  • RAMSE Consulting
  • plus some other partners as subcontractors

13
SAFIR 2003 The Funding
14
SAFIR 2003 The Expenses
15
SAFIR 2003 Six Research Areas
  • 1. Reactor fuel and core
  • 2. Reactor circuit and structural safety
  • 3. Containment and process safety functions
  • 4. Automation, control room and information
    technology
  • 5. Organisations and safety management
  • 6. Risk-informed safety management
  • Each area has a reference group that superwises
    the research
  • Additional Ad hoc groups in large areas

16
SAFIR 2003
17
SAFIR 2003
18
1. Reactor fuel and core
CRITICALITY
SAFETY
FUEL
ICFM
CORE
FUEL
THERMAL
MECHANICS
ICFM IN-CORE FUEL MANAGEMENT
19
SAFIR projects in 2003
  • 1. Reactor fuel and core
  • Enhanced methods for reactor analysis (EMERALD),
  • 525 k / 48 person months / VTT Processes
  • High-burnup upgrades in fuel behaviour modelling
    (KORU),
  • 210 k / 20,5 person months / VTT Processes

20
2. Reactor circuit and structural safety
Plant lifetime management
Reactor circuit integrity
Requirements design manufacturing
Inspection characterisation predictions
Risk-informed safety management
Operational development with modern technology
21
SAFIR projects in 2003
  • 2. Reactor circuit and structural integrity
  • Integrity and life time of reactor circuits
    (INTELI),
  • 1057 k / 77,9 person months / VTT Industrial
    Systems
  • Ageing of the Function of the Containment
    Building (AGCONT),
  • 13 k / 1,1 person months / VTT Building and
    Transport
  • Participation in the OECD NEA Task Group Concrete
    Ageing (CONAGE),
  • 9,48 k / 0,6 person months / VTT Building and
    Transport
  • Concrete Technological Studies Related to the
    Construction, Inspection and Reparation of the
    Nuclear Power Plant Structures (CONTECH),
  • 100,6 k / 8 person months / VTT Building and
    Transport

22
3. Containment and process safety functions
Containment
Potential releases, environmental effects
External threats
Effects of ageing on containment function
Integrity
Leak-tightness
23
SAFIR projects in 2003
  • 3. Containment and process safety functions
  • Wall Response to Soft Impact (WARSI),
  • 137,7 k /13 person months / VTT Industrial
    Systems
  • The Integral Code for Design Basis Accident
    Analyses (TIFANY),
  • 206,8 k / 17 person months / Fortum Nuclear
    Services
  • Thermal Hydraulic Analysis of Nuclear Reactors
    (THEA),
  • 187 k / 12 person months / VTT Processes
  • Severe Accidents and Nuclear Containment
    integrity (SANCY),
  • 315,6 k / 17 person months / VTT Processes
  • Fission product gas and aerosol particle control
    (FIKSU),
  • 98,2 k /10,5 person months / VTT Processes
  • Emergency preparedness supporting studies (OTUS),
  • 50 k /4,5 person months / VTT Processes
  • Archiving experiment data (KOETAR),
  • 60 k / 6 person months / Lappeenranta
    University of Technology
  • Condensation pool experiments (POOLEX),
  • 152,5 k / 15 person months / Lappeenranta
    University of Technology

24
4. Automation, control room and information
technology
25
SAFIR projects in 2003
  • 4. Automation, control room and information
    technology
  • Interaction approach to development of control
    rooms (IDEC),
  • 140 k /12 person months / VTT Industrial
    Systems
  • Application Possibilities of Systematic
    Requirements Management in the Improvement of
    Nuclear Safety in Finland (APSREM),
  • 50 k / 3,8 person months / RAMSE Consulting

26
5. Organisations and safety management
Theoretical development
Practical problems
Pressure for change
development of technology
understanding cultural aspects
implementation of changes
improved productivity efficiency
changes in age structure
27
SAFIR projects in 2003
  • 5.Organisations and safety management
  • Organisational culture and management of change
    (CULMA),
  • 205,7 k / 17 person moths / VTT Industrial
    Systems

28
6. Risk-informed safety management
Development of risk analysis
Level 1 PSA plant design
Level 1 PSA plant operation
Level 2 PSA severe accident management
Fire safety and risk analysis
Risk analysis of external effects
29
SAFIR projects in 2003
  • 6. Risk-informed safety management
  • Potential of Fire Spread (POTFIS),
  • 158 k / 12 person months / VTT Building and
    Transport
  • Principles and Practices of Risk-Informed Safety
    MAnagement (PPRISMA).
  • 258,55 k / 24,4 person months / VTT Industrial
    Systems

30
SAFIR The Education
  • SAFIR is an important forum for education of
    nuclear experts in Finland
  • Education takes place via research work in the
    SAFIR projects
  • Education is a continuous process
  • New experts into the nuclear field - largely via
    tutoring by the old experts
  • New challenging tasks for the old experts old
    experts have to acquire new skills

31
SAFIR 2003 The Network
  • SAFIR is a forum for information exchange and
    link between researchers and organisations
  • some 130 persons involved in the research work in
    the projects of SAFIR
  • 80 persons from safety authority STUK, utilities
    Fortum and TVO, VTT, universities and other
    organisations involved in the quidance of
    research via the steering group and six reference
    groups (meeting 3-4 times annually)

32
6 Reference Groups
1. Reactor fuel core
2. Reactor circuit and structural safety
6. Risk-informed safety management
3. Containment and process safety functions
5. Organisations and safety management
4. Automation, control room IT
33
VTTs role in SAFIR
  • VTT Processes has been selected as the
    coordination unit for the period 2002-2004
  • VTT is the main/responsible partner in 15 out of
    the 19 research projects in 2003
  • VTT has a key role in the funding of SAFIR for
    2003 with some 1 million
  • VTTs research units decide independently on
    their funding in SAFIR and the direction of the
    funding within SAFIR
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