NPTDS with Sights and Sounds Nuclear Power Technology Development with Sights and Sounds

Natural Circulation

TECDOC (Draft 2, March 2010)


Natural Circulation Phenomena and Modelling for Advanced Water Cooled Reactors


Editorial Note

1.   INTRODUCTION

2.   IDENTIFICATION AND DEFINITION OF PHENOMENA

3.   CHARACTERIZATION OF PHENOMENA

3.0   Introductory paragraph for Chapter 3

3.1   Behaviour in Large Pools of Liquid

3.2   Effect of Non-condensable Gasses on Condensation Heat Transfer

3.3   Condensation on the Containment Structures

3.4   Behaviour of Containment Emergency Systems

3.5   Thermo-fluid Dynamics and Pressure Drops in Various Geometrical Configurations

3.6   Natural Circulation in Closed Loop

3.7   Steam Liquid Interaction

3.8   Gravity Driven Cooling and Accumulator Behaviour

3.9   Liquid Temperature Stratification

3.10   Behaviour of Emergency Heat Exchangers and Isolation Condensers

3.11   Stratification and Mixing of Boron

3.12   Core Make-up Tank Behaviour

4.   INTEGRAL TESTS AND PLANT ANALYSES, EXAMPLE CASES

4.0   Introductory paragraph for Chapter 4

4.1   Experiments and Simulations in Support of Natural Circulation Cooling Concept for GEN-IV CANDU SCWR

4.2   CAPCN: CAREM High Pressure Natural Circulation Rig

4.3   Integral System Tests in ITL Simulating AHWR

4.4   Summary on Natural Circulation Phenomena observed in ROSA-AP600 Tests

4.5   Testing of the Multi-Application Small Light Water Reactor (MASLWR) Passive Safety Systems

4.6   Overview on the PANDA Test Facility and ISP-42 PANDA Tests Data Base

4.7   Purdue University Multi-Dimensional Integral Test Assembly (PUMA)

4.8   Natural Circulation Characteristics with a Passive Cooldown Operation in an Integral Type Reactor, SMART

4.9   Modelling of natural circulation phenomena in WWER-440/V213 reactors

4.10   Effect of HA-2 and SPOT systems on severe accident prevention in WWER-1000/392 design

5.   METHODOLOGY FOR EXAMINING PASSIVE SYSTEM RELIABILITY AND EXAMPLE APPLICATION

6.   CONCLUSIONS AND RECOMMENDATIONS