National Spherical Torus Experiment

E576874

fusion experiment magnetic confinement fusion device spherical tokamak

The National Spherical Torus Experiment is a major fusion energy research device that studies plasma confinement in a compact, spherical tokamak configuration.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (5)

Label	Occurrences
National Spherical Torus Experiment-Upgrade	2
NSTX	1
NSTX-U	1
National Spherical Torus Experiment canonical	1
National Spherical Torus Experiment-Upgrade device	1

How this entity was disambiguated

This entity first appeared as the object of triple T6225325 — 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: National Spherical Torus Experiment
Context triple: [Princeton Plasma Physics Laboratory, notableProject, National Spherical Torus Experiment]

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. Wendelstein 7-X
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.
C. ASDEX Upgrade
ASDEX Upgrade is a major German tokamak fusion experiment focused on studying magnetically confined plasmas and advancing the development of fusion energy.
D. Low Energy Ion Ring
Low Energy Ion Ring is a CERN accelerator that prepares and injects low-energy heavy ion beams into the Large Hadron Collider for high-energy collision experiments.
E. National Ignition Facility
The National Ignition Facility is a large-scale laser-based inertial confinement fusion research installation designed to achieve nuclear fusion ignition and study high-energy-density physics.
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: National Spherical Torus Experiment
Target entity description: The National Spherical Torus Experiment is a major fusion energy research device that studies plasma confinement in a compact, spherical tokamak configuration.

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. Wendelstein 7-X
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.
C. ASDEX Upgrade
ASDEX Upgrade is a major German tokamak fusion experiment focused on studying magnetically confined plasmas and advancing the development of fusion energy.
D. Low Energy Ion Ring
Low Energy Ion Ring is a CERN accelerator that prepares and injects low-energy heavy ion beams into the Large Hadron Collider for high-energy collision experiments.
E. National Ignition Facility
The National Ignition Facility is a large-scale laser-based inertial confinement fusion research installation designed to achieve nuclear fusion ignition and study high-energy-density physics.
F. None of above. chosen

Statements (50)

Predicate	Object
instanceOf	fusion experiment ⓘ magnetic confinement fusion device ⓘ spherical tokamak ⓘ
affiliatedWith	United States Department of Energy ⓘ linked to: U.S. Department of Energy
aimsTo	advance understanding of spherical tokamak physics ⓘ support development of future fusion reactors ⓘ
commissioned	1999 ⓘ
country	United States ⓘ linked to: United States of America
designedFor	compact aspect ratio ⓘ high-beta operation ⓘ
fundedBy	United States Department of Energy ⓘ linked to: U.S. Department of Energy
governedBy	Office of Science, U.S. Department of Energy ⓘ linked to: Office of Science
hasAbbreviation	NSTX ⓘ linked to: National Spherical Torus Experiment NSTX-U ⓘ linked to: National Spherical Torus Experiment
hasAspectRatio	low aspect ratio ⓘ
hasComponent	divertor ⓘ neutral beam injectors ⓘ poloidal field coils ⓘ radio-frequency heating systems ⓘ toroidal field coils ⓘ vacuum vessel ⓘ
hasConfiguration	spherical tokamak ⓘ
hasDeviceType	tokamak ⓘ
hasMagneticConfinementGeometry	toroidal ⓘ
hasMajorUpgrade	National Spherical Torus Experiment-Upgrade ⓘ linked to: National Spherical Torus Experiment
hasShape	spherical tokamak-like ⓘ
hasWebsite	https://nstx.pppl.gov/ ⓘ
locatedInCity	Plainsboro Township ⓘ
locatedInCountry	United States ⓘ linked to: United States of America
locatedInFacility	Princeton Plasma Physics Laboratory ⓘ
locatedInState	New Jersey ⓘ linked to: New Jersey, United States
operatedBy	Princeton Plasma Physics Laboratory ⓘ
primaryResearchField	fusion energy ⓘ plasma physics ⓘ
relatedTo	Alcator C-Mod ⓘ DIII-D tokamak ⓘ ITER ⓘ Joint European Torus ⓘ linked to: JET (Joint European Torus)
researchFocus	edge plasma physics ⓘ non-inductive current drive ⓘ plasma heating ⓘ plasma stability control ⓘ
startDate	1999 ⓘ
studies	magnetohydrodynamic stability ⓘ plasma confinement ⓘ transport in high-beta plasmas ⓘ
upgradeCompleted	2015 ⓘ
usesConfinementMethod	magnetic confinement ⓘ
usesFuelType	deuterium plasma ⓘ
usesTechnology	superconducting magnets (in upgrade configuration) ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Princeton Plasma Physics Laboratory → notableProject → National Spherical Torus Experiment ⓘ

Princeton Plasma Physics Laboratory → notableProject → National Spherical Torus Experiment-Upgrade ⓘ