Sensitivity analysis of annual savings of poison-free control in LWRs
Conference
·
· Trans. Am. Nucl. Soc.; (United States)
OSTI ID:5942418
To examine how sensitive the annual savings of eliminating poison control in pressurized water reactors (PWRs) is to each cost component, a sensitivity study was performed for the breeder/moderator controlled/burner light water reactor (BMB-LWR) design concept. The new design (BMB-LWR) is compared to a standard Westinghouse PWR (Ref.3), operating on an extended burnup fuel cycle, since the BMB-LWR core is also designed to have a longer burnup cycle than previously used. From the BMB-LWR design concept, the major cost credits of the poison elimination in PWRs are the 25% reload fuel saving, the elimination of part of the CVCS, and both burnable and control poison rods. The additional costs required to realize spectral shift control have been estimated. Three major penalties were incurred in transforming a standard PWR into the BMB-LWR; the costs associated with fuel reconstitution every cycle, the incorporation of the water displacement rod system, and doubling the pumping power (due to the reduced effective core flow area).
- OSTI ID:
- 5942418
- Report Number(s):
- CONF-881011-
- Conference Information:
- Journal Name: Trans. Am. Nucl. Soc.; (United States) Journal Volume: 57
- Country of Publication:
- United States
- Language:
- English
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· Nucl. Technol.; (United States)
·
OSTI ID:5112082
Related Subjects
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
ACTINIDES
BREEDER REACTORS
BURNABLE POISONS
BURNUP
CAPACITY
COMPARATIVE EVALUATIONS
CONFIGURATION CONTROL
CONTROL
COOLING SYSTEMS
COST BENEFIT ANALYSIS
ECONOMICS
ELEMENTS
ENERGY SYSTEMS
ENRICHED URANIUM
ENRICHMENT
FABRICATION
FUEL MANAGEMENT
ISOTOPE ENRICHED MATERIALS
LWBR TYPE REACTORS
MATERIALS
METALS
MODERATOR-FUEL RATIO
MODERATORS
MODIFICATIONS
NEUTRON ABSORBERS
NUCLEAR POISONS
PRIMARY COOLANT CIRCUITS
PUMPS
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR CORES
REACTOR MATERIALS
REACTORS
SENSITIVITY ANALYSIS
SERVICE LIFE
SLIGHTLY ENRICHED URANIUM
SOLUBLE POISONS
SPECTRAL SHIFT CONTROL
THERMAL REACTORS
URANIUM
WATER COOLED REACTORS
WATER MODERATED REACTORS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
ACTINIDES
BREEDER REACTORS
BURNABLE POISONS
BURNUP
CAPACITY
COMPARATIVE EVALUATIONS
CONFIGURATION CONTROL
CONTROL
COOLING SYSTEMS
COST BENEFIT ANALYSIS
ECONOMICS
ELEMENTS
ENERGY SYSTEMS
ENRICHED URANIUM
ENRICHMENT
FABRICATION
FUEL MANAGEMENT
ISOTOPE ENRICHED MATERIALS
LWBR TYPE REACTORS
MATERIALS
METALS
MODERATOR-FUEL RATIO
MODERATORS
MODIFICATIONS
NEUTRON ABSORBERS
NUCLEAR POISONS
PRIMARY COOLANT CIRCUITS
PUMPS
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTOR COOLING SYSTEMS
REACTOR CORES
REACTOR MATERIALS
REACTORS
SENSITIVITY ANALYSIS
SERVICE LIFE
SLIGHTLY ENRICHED URANIUM
SOLUBLE POISONS
SPECTRAL SHIFT CONTROL
THERMAL REACTORS
URANIUM
WATER COOLED REACTORS
WATER MODERATED REACTORS