Item B-14: Study of Hydrogen Mixing Capability in Containment Post-LOCA
DESCRIPTION
Consistent with the guidelines of Regulatory Guide 1.7,[1]the prevention of local hydrogen concentrations in excess of 4% by
Item B-13: Marviken Test Data Evaluation
DESCRIPTION
Test data from the Marviken containment tests were obtained for the purpose of validating containment pressure codes used for performing independent calc
Item B-12: Containment Cooling Requirements (Non-LOCA)
DESCRIPTION
The rationale for normal and postaccident containment cooling will be reviewed to determine the adequacy of the design requirements imposed on the containment ventilation systems.
Item B-11: Subcompartment Standard Problems
DESCRIPTION
The calculations of differential pressure that occur in containment subcompartments from a loss-of-coolant event require a complex fluid dynamic analysis
Item B-9: Electrical Cable Penetrations of Containment
DESCRIPTION
Some prototype electrical penetration failures have occurred to date. In addition, failures of low voltage penetration modules have occurred at a licensed facility.
Item B-7: Secondary Accident Consequence Modeling
DESCRIPTION
This NUREG-0471[1]task will develop more reliable models and associated computer capability than currently available to the
Item B-5: Ductility of Two-Way Slabs and Shells and Buckling Behavior of Steel Containments
This item has been divided into two parts which have been evaluated separately.