SPERT-III
E439459
SPERT-III was a U.S. experimental nuclear research reactor used in the mid-20th century to study reactor safety and power excursion behavior.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SPERT-III canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4384101 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SPERT-III Context triple: [Special Power Excursion Reactor Test series, hasPart, SPERT-III]
-
A.
SPERT-II
SPERT-II was a research nuclear reactor used in the SPERT program to study reactor safety and power excursion behavior under experimental conditions.
-
B.
SPERT-I
SPERT-I was the first reactor in the Special Power Excursion Reactor Test series, designed to study reactor safety and behavior under rapid power excursion conditions.
-
C.
SAS-3
SAS-3 is the third-generation Serial Attached SCSI (SAS) interface standard that significantly increases data transfer rates and performance for enterprise storage systems.
-
D.
SAS-3
SAS-3 was an earlier satellite in NASA’s Small Astronomy Satellite program, dedicated primarily to X-ray astronomy observations of cosmic sources.
-
E.
ASPERA-3
ASPERA-3 is a scientific instrument on the Mars Express spacecraft designed to study the interaction between the solar wind and the Martian atmosphere, particularly atmospheric escape processes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SPERT-III Target entity description: SPERT-III was a U.S. experimental nuclear research reactor used in the mid-20th century to study reactor safety and power excursion behavior.
-
A.
SPERT-II
SPERT-II was a research nuclear reactor used in the SPERT program to study reactor safety and power excursion behavior under experimental conditions.
-
B.
SPERT-I
SPERT-I was the first reactor in the Special Power Excursion Reactor Test series, designed to study reactor safety and behavior under rapid power excursion conditions.
-
C.
SAS-3
SAS-3 was an earlier satellite in NASA’s Small Astronomy Satellite program, dedicated primarily to X-ray astronomy observations of cosmic sources.
-
D.
SAS-3
SAS-3 is the third-generation Serial Attached SCSI (SAS) interface standard that significantly increases data transfer rates and performance for enterprise storage systems.
-
E.
ASPERA-3
ASPERA-3 is a scientific instrument on the Mars Express spacecraft designed to study the interaction between the solar wind and the Martian atmosphere, particularly atmospheric escape processes.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
experimental reactor
ⓘ
nuclear research reactor ⓘ test reactor ⓘ |
| commissionedBy | United States Atomic Energy Commission ⓘ |
| controlMechanism | control rods ⓘ |
| coolant | light water ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dataUsedFor |
development of reactor safety criteria
ⓘ
validation of reactor dynamics codes ⓘ |
| designedBy |
Phillips Petroleum Company (AEC contractor)
ⓘ
linked to:
Phillips Petroleum Company
|
| designedFor |
power excursion tests
ⓘ
reactivity insertion accidents ⓘ safety experiments ⓘ |
| followedBy | SPERT-IV ⓘ |
| fuelMaterial | enriched uranium ⓘ |
| fuelType | plate-type fuel ⓘ |
| fullName |
Special Power Excursion Reactor Test III
ⓘ
linked to:
Special Power Excursion Reactor Test series
|
| historicalSignificance | contributed to modern reactor safety standards ⓘ |
| location |
Idaho
ⓘ
National Reactor Testing Station ⓘ
linked to:
Idaho National Engineering Laboratory
United States ⓘ
linked to:
United States of America
|
| moderator | light water ⓘ |
| neutronSpectrum | thermal ⓘ |
| operator | United States Atomic Energy Commission ⓘ |
| partOf |
National Reactor Testing Station experimental reactor fleet
ⓘ
linked to:
Experimental Breeder Reactor II
SPERT program ⓘ |
| precededBy |
SPERT-I
ⓘ
SPERT-II ⓘ |
| programPhase | later phase of SPERT series ⓘ |
| purpose |
study power excursion behavior
ⓘ
study reactor safety ⓘ transient testing ⓘ |
| reactorType |
light-water moderated reactor
ⓘ
pool-type reactor ⓘ |
| researchField |
nuclear safety
ⓘ
reactor kinetics ⓘ reactor stability ⓘ |
| safetyFocus |
power excursions
ⓘ
reactivity accidents ⓘ transient behavior ⓘ |
| safetyObjective |
characterize prompt power excursions
ⓘ
understand limits of safe operation ⓘ |
| startOfOperation | mid-20th century ⓘ |
| status | permanently shut down ⓘ |
| usedBy | nuclear safety researchers ⓘ |
| usedFor | benchmark experiments for safety analysis ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: SPERT-III Description of subject: SPERT-III was a U.S. experimental nuclear research reactor used in the mid-20th century to study reactor safety and power excursion behavior.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.