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Testing and COBRA-SFS analysis of the VSC-17 ventilated concrete, spent fuel storage cask

Conference ·
OSTI ID:5664668
;  [1];  [2]
  1. Pacific Northwest Lab., Richland, WA (United States)
  2. EG and G Idaho, Inc., Idaho Falls, ID (United States)
+ Show Author Affiliations

A performance test of a Pacific Sierra Nuclear VSC-17 ventilated concrete storage cask loaded with 17 canisters of consolidated PWR spent fuel generating approximately 15 kW was conducted. The performance test included measuring the cask surface, concrete, air channel surface, and fuel temperatures, as well as cask surface gamma and neutron dose rates. Testing was performed using vacuum, nitrogen, and helium backfill environments. Pretest predictions of cask thermal performance were made using the COBRA-SFS computer code. Analysis results were within 15{degrees}C of measured peak fuel temperature. Peak fuel temperature for normal operation was 321{degrees}C. In general, the surface dose rates were less than 30 mrem/h on the side of the cask and 40 mrem/h on the top of the cask.

Research Organization:
Pacific Northwest Lab., Richland, WA (United States)
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC06-76RL01830
OSTI ID:
5664668
Report Number(s):
PNL-SA-19941; CONF-920430--91; ON: DE92012326
Country of Publication:
United States
Language:
English

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Related Subjects

052002* -- Nuclear Fuels-- Waste Disposal & Storage
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
42 ENGINEERING
420203 -- Engineering-- Handling Equipment & Procedures
BARYONS
BUILDING MATERIALS
CASKS
CONCRETES
CONTAINERS
DOSE RATES
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY TRANSFER
ENRICHED URANIUM REACTORS
FERMIONS
GAMMA RADIATION
HADRONS
HEAT TRANSFER
IONIZING RADIATIONS
MATERIALS
NEUTRONS
NUCLEONS
PERFORMANCE
PERFORMANCE TESTING
POWER REACTORS
PWR TYPE REACTORS
RADIATIONS
REACTORS
SHIELDING
SPENT FUEL CASKS
SPENT FUEL STORAGE
STORAGE
TEMPERATURE MEASUREMENT
TESTING
THERMAL REACTORS
WATER COOLED REACTORS
WATER MODERATED REACTORS