Wendelstein 7-X
E538653
Wendelstein 7-X is a large experimental stellarator-type nuclear fusion device in Germany designed to study and optimize magnetically confined plasma for future fusion power plants.
All labels observed (4)
| Label | Occurrences |
|---|---|
| W7-X | 1 |
| Wendelstein 7-X canonical | 1 |
| Wendelstein 7-X collaboration | 1 |
| Wendelstein series of stellarators | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5636697 — 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: Wendelstein 7-X Context triple: [Max Planck Institute for Plasma Physics, operates, Wendelstein 7-X]
-
A.
Experimental Advanced Superconducting Tokamak
The Experimental Advanced Superconducting Tokamak (EAST) is a Chinese magnetic confinement fusion research reactor designed to study and advance tokamak-based fusion energy technologies.
-
B.
MAX IV Laboratory
MAX IV Laboratory is a world-leading Swedish synchrotron radiation facility in Lund that provides extremely bright X-ray and ultraviolet light for cutting-edge research in physics, chemistry, materials science, and life sciences.
-
C.
ZEEP reactor
The ZEEP reactor was a small Canadian research nuclear reactor that played a key role in early nuclear physics experiments and the development of Canada's nuclear energy program.
-
D.
Chicago Pile-3
Chicago Pile-3 was an early heavy-water moderated nuclear reactor built at Argonne National Laboratory, notable as one of the first reactors designed for research on reactor physics and materials.
-
E.
S2W nuclear reactor
The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
- 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: Wendelstein 7-X Target entity description: Wendelstein 7-X is a large experimental stellarator-type nuclear fusion device in Germany designed to study and optimize magnetically confined plasma for future fusion power plants.
-
A.
Experimental Advanced Superconducting Tokamak
The Experimental Advanced Superconducting Tokamak (EAST) is a Chinese magnetic confinement fusion research reactor designed to study and advance tokamak-based fusion energy technologies.
-
B.
MAX IV Laboratory
MAX IV Laboratory is a world-leading Swedish synchrotron radiation facility in Lund that provides extremely bright X-ray and ultraviolet light for cutting-edge research in physics, chemistry, materials science, and life sciences.
-
C.
ZEEP reactor
The ZEEP reactor was a small Canadian research nuclear reactor that played a key role in early nuclear physics experiments and the development of Canada's nuclear energy program.
-
D.
Chicago Pile-3
Chicago Pile-3 was an early heavy-water moderated nuclear reactor built at Argonne National Laboratory, notable as one of the first reactors designed for research on reactor physics and materials.
-
E.
S2W nuclear reactor
The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
magnetic confinement fusion device
ⓘ
nuclear fusion experiment ⓘ stellarator ⓘ |
| abbreviation |
W7-X
ⓘ
linked to:
Wendelstein 7-X
|
| coilType | superconducting ⓘ |
| constructionStart | 2005 ⓘ |
| coolant | liquid helium ⓘ |
| coolingMethod | cryogenic cooling ⓘ |
| country | Germany ⓘ |
| designedFor |
high-confinement plasma studies
ⓘ
steady-state plasma operation ⓘ testing reactor-relevant plasma scenarios ⓘ |
| designedToTest | island divertor concept ⓘ |
| deviceType | toroidal magnetic confinement device ⓘ |
| firstHydrogenPlasmaDate | 2016-02-03 ⓘ |
| firstPlasmaDate | 2015-12-10 ⓘ |
| fuelType |
deuterium
ⓘ
hydrogen ⓘ |
| fundedBy |
German Federal Government
ⓘ
linked to:
Federal Government of Germany
state of Mecklenburg-Vorpommern ⓘ
linked to:
Mecklenburg-Vorpommern
|
| fusionConcept | stellarator ⓘ |
| hasComponent |
cryostat
ⓘ
divertor ⓘ microwave heating system ⓘ modular superconducting coil system ⓘ vacuum vessel ⓘ |
| locatedAt | Max Planck Institute for Plasma Physics ⓘ |
| locatedIn | Greifswald ⓘ |
| magneticConfiguration |
heliotron-like
ⓘ
optimized stellarator ⓘ |
| magneticFieldStrength | up to 3 tesla ⓘ |
| mainObjective |
demonstrate steady-state operation capability
ⓘ
optimize stellarator configuration for future fusion power plants ⓘ study magnetically confined plasma ⓘ |
| majorRadius | 5.5 m ⓘ |
| minorRadius | 0.53 m ⓘ |
| namedAfter |
Wendelstein series of stellarators
ⓘ
linked to:
Wendelstein 7-X
|
| numberOfFieldPeriods | 5 ⓘ |
| numberOfNonPlanarCoils | 50 ⓘ |
| numberOfPlanarCoils | 20 ⓘ |
| operatedBy | Max Planck Institute for Plasma Physics ⓘ |
| partOf | Max Planck Society ⓘ |
| plannedHeatingPower | up to 20 MW ⓘ |
| plasmaHeatingMethod |
ECRH
ⓘ
electron cyclotron resonance heating ⓘ |
| plasmaVolume | about 30 m³ ⓘ |
| predecessor | Wendelstein 7-AS ⓘ |
| researchField |
fusion energy
ⓘ
plasma physics ⓘ |
| researchGoal |
assess suitability of stellarators for power plant operation
ⓘ
demonstrate good plasma confinement in optimized stellarator geometry ⓘ |
| safetyCharacteristic | no self-sustaining fusion reactions planned ⓘ |
| status | operational experimental device ⓘ |
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: Wendelstein 7-X Description of subject: Wendelstein 7-X is a large experimental stellarator-type nuclear fusion device in Germany designed to study and optimize magnetically confined plasma for future fusion power plants.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Wendelstein 7-X
linked to: Wendelstein 7-X
linked to: Wendelstein 7-X