Enum: ReactorTypeEnum

Nuclear reactor types based on design and operational characteristics

URI: valuesets:ReactorTypeEnum

Permissible Values

Value	Meaning	Description
PWR	None	Most common reactor type using light water under pressure
BWR	None	Light water reactor where water boils directly in core
PHWR	None	Heavy water moderated and cooled reactor (CANDU type)
LWGR	None	Graphite moderated, light water cooled reactor (RBMK type)
AGR	None	Graphite moderated, CO2 gas cooled reactor
GCR	None	Early gas-cooled reactor design (Magnox type)
FBR	None	Fast neutron reactor that breeds fissile material
HTGR	None	Helium-cooled reactor with TRISO fuel
MSR	None	Reactor using molten salt as coolant and/or fuel
SMR	None	Small reactors designed for modular construction
VHTR	None	Generation IV reactor for very high temperature applications
SFR	None	Fast reactor cooled by liquid sodium
LFR	None	Fast reactor cooled by liquid lead or lead-bismuth
GFR	None	Fast reactor with gas cooling
SCWR	None	Reactor using supercritical water as coolant

Slots

Name	Description
reactor_type	Nuclear reactor classification by design type

Identifier and Mapping Information

Schema Source

• from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: ReactorTypeEnum
description: Nuclear reactor types based on design and operational characteristics
from_schema: https://w3id.org/linkml/valuesets
rank: 1000
permissible_values:
  PWR:
    text: PWR
    description: Most common reactor type using light water under pressure
    annotations:
      coolant:
        tag: coolant
        value: light water
      moderator:
        tag: moderator
        value: light water
      pressure:
        tag: pressure
        value: high
      steam_generation:
        tag: steam_generation
        value: indirect
      worldwide_count:
        tag: worldwide_count
        value: ~300
      fuel_enrichment:
        tag: fuel_enrichment
        value: 3-5%
    title: Pressurized Water Reactor
    aliases:
    - Pressurized Water Reactor
  BWR:
    text: BWR
    description: Light water reactor where water boils directly in core
    annotations:
      coolant:
        tag: coolant
        value: light water
      moderator:
        tag: moderator
        value: light water
      pressure:
        tag: pressure
        value: medium
      steam_generation:
        tag: steam_generation
        value: direct
      worldwide_count:
        tag: worldwide_count
        value: ~60
      fuel_enrichment:
        tag: fuel_enrichment
        value: 3-5%
    title: Boiling Water Reactor
    aliases:
    - Boiling Water Reactor
  PHWR:
    text: PHWR
    description: Heavy water moderated and cooled reactor (CANDU type)
    annotations:
      coolant:
        tag: coolant
        value: heavy water
      moderator:
        tag: moderator
        value: heavy water
      pressure:
        tag: pressure
        value: high
      steam_generation:
        tag: steam_generation
        value: indirect
      worldwide_count:
        tag: worldwide_count
        value: ~47
      fuel_enrichment:
        tag: fuel_enrichment
        value: natural uranium
    title: Pressurized Heavy Water Reactor
    aliases:
    - CANDU
    - Pressurized Heavy Water Reactor
  LWGR:
    text: LWGR
    description: Graphite moderated, light water cooled reactor (RBMK type)
    annotations:
      coolant:
        tag: coolant
        value: light water
      moderator:
        tag: moderator
        value: graphite
      pressure:
        tag: pressure
        value: medium
      steam_generation:
        tag: steam_generation
        value: direct
      worldwide_count:
        tag: worldwide_count
        value: ~10
      fuel_enrichment:
        tag: fuel_enrichment
        value: 1.8-2.4%
    title: Light Water Graphite Reactor
    aliases:
    - RBMK
    - Light Water Graphite Reactor
  AGR:
    text: AGR
    description: Graphite moderated, CO2 gas cooled reactor
    annotations:
      coolant:
        tag: coolant
        value: carbon dioxide
      moderator:
        tag: moderator
        value: graphite
      pressure:
        tag: pressure
        value: high
      steam_generation:
        tag: steam_generation
        value: indirect
      worldwide_count:
        tag: worldwide_count
        value: ~8
      fuel_enrichment:
        tag: fuel_enrichment
        value: 2.5-3.5%
    title: Advanced Gas-Cooled Reactor
    aliases:
    - Advanced Gas-Cooled Reactor
  GCR:
    text: GCR
    description: Early gas-cooled reactor design (Magnox type)
    annotations:
      coolant:
        tag: coolant
        value: carbon dioxide
      moderator:
        tag: moderator
        value: graphite
      pressure:
        tag: pressure
        value: low
      fuel_enrichment:
        tag: fuel_enrichment
        value: natural uranium
    title: Gas-Cooled Reactor
    aliases:
    - Magnox
    - Gas-Cooled Reactor
  FBR:
    text: FBR
    description: Fast neutron reactor that breeds fissile material
    annotations:
      coolant:
        tag: coolant
        value: liquid metal
      moderator:
        tag: moderator
        value: none
      neutron_spectrum:
        tag: neutron_spectrum
        value: fast
      worldwide_count:
        tag: worldwide_count
        value: ~2
      fuel_enrichment:
        tag: fuel_enrichment
        value: 15-20%
    title: Fast Breeder Reactor
    aliases:
    - Fast Breeder Reactor
    - Liquid Metal Fast Breeder Reactor
  HTGR:
    text: HTGR
    description: Helium-cooled reactor with TRISO fuel
    annotations:
      coolant:
        tag: coolant
        value: helium
      moderator:
        tag: moderator
        value: graphite
      temperature:
        tag: temperature
        value: very high
      fuel_type:
        tag: fuel_type
        value: TRISO
    title: High Temperature Gas-Cooled Reactor
    aliases:
    - High Temperature Gas-Cooled Reactor
  MSR:
    text: MSR
    description: Reactor using molten salt as coolant and/or fuel
    annotations:
      coolant:
        tag: coolant
        value: molten salt
      fuel_form:
        tag: fuel_form
        value: liquid
      generation:
        tag: generation
        value: IV
    title: Molten Salt Reactor
    aliases:
    - Molten Salt Reactor
  SMR:
    text: SMR
    description: Small reactors designed for modular construction
    annotations:
      power_output:
        tag: power_output
        value: <300 MWe
      modularity:
        tag: modularity
        value: high
      generation:
        tag: generation
        value: III+/IV
    title: Small Modular Reactor
    aliases:
    - Small Modular Reactor
  VHTR:
    text: VHTR
    description: Generation IV reactor for very high temperature applications
    annotations:
      temperature:
        tag: temperature
        value: '>950°C'
      generation:
        tag: generation
        value: IV
      coolant:
        tag: coolant
        value: helium
    title: Very High Temperature Reactor
    aliases:
    - Very High Temperature Reactor
  SFR:
    text: SFR
    description: Fast reactor cooled by liquid sodium
    annotations:
      coolant:
        tag: coolant
        value: liquid sodium
      neutron_spectrum:
        tag: neutron_spectrum
        value: fast
      generation:
        tag: generation
        value: IV
    title: Sodium-Cooled Fast Reactor
    aliases:
    - Sodium-Cooled Fast Reactor
  LFR:
    text: LFR
    description: Fast reactor cooled by liquid lead or lead-bismuth
    annotations:
      coolant:
        tag: coolant
        value: liquid lead
      neutron_spectrum:
        tag: neutron_spectrum
        value: fast
      generation:
        tag: generation
        value: IV
    title: Lead-Cooled Fast Reactor
    aliases:
    - Lead-Cooled Fast Reactor
  GFR:
    text: GFR
    description: Fast reactor with gas cooling
    annotations:
      coolant:
        tag: coolant
        value: helium
      neutron_spectrum:
        tag: neutron_spectrum
        value: fast
      generation:
        tag: generation
        value: IV
    title: Gas-Cooled Fast Reactor
    aliases:
    - Gas-Cooled Fast Reactor
  SCWR:
    text: SCWR
    description: Reactor using supercritical water as coolant
    annotations:
      coolant:
        tag: coolant
        value: supercritical water
      generation:
        tag: generation
        value: IV
    title: Supercritical Water-Cooled Reactor
    aliases:
    - Supercritical Water-Cooled Reactor