Rijke tube
E535677
The Rijke tube is a simple experimental device that demonstrates thermoacoustic oscillations by producing a loud tone when heated air flows through a vertical tube containing a heated wire mesh.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rijke tube canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T5670095 — 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: Rijke tube Context triple: [Pieter Rijke, notableWork, Rijke tube]
-
A.
Tubu
Tubu refers to the Toubou, a traditionally nomadic Saharan ethnic group primarily inhabiting northern Chad, southern Libya, and surrounding regions.
-
B.
The Tub
The Tub is an 1886 pastel and mixed-media artwork by Edgar Degas depicting a woman bathing, celebrated for its unusual overhead perspective and intimate, everyday subject.
-
C.
Tubal
Tubal is a biblical people or region often identified with ancient Anatolian tribes and mentioned alongside Gog and Magog in prophetic texts.
-
D.
Williams tube
The Williams tube was an early form of computer memory that used a cathode-ray tube to store binary data as electrostatic charges on a phosphor-coated screen.
-
E.
Rasta Vechta
Rasta Vechta is a professional basketball club from Vechta, Germany, known for competing in the country’s top leagues and developing a passionate local fan base.
- 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: Rijke tube Target entity description: The Rijke tube is a simple experimental device that demonstrates thermoacoustic oscillations by producing a loud tone when heated air flows through a vertical tube containing a heated wire mesh.
-
A.
Tubu
Tubu refers to the Toubou, a traditionally nomadic Saharan ethnic group primarily inhabiting northern Chad, southern Libya, and surrounding regions.
-
B.
The Tub
The Tub is an 1886 pastel and mixed-media artwork by Edgar Degas depicting a woman bathing, celebrated for its unusual overhead perspective and intimate, everyday subject.
-
C.
Tubal
Tubal is a biblical people or region often identified with ancient Anatolian tribes and mentioned alongside Gog and Magog in prophetic texts.
-
D.
Williams tube
The Williams tube was an early form of computer memory that used a cathode-ray tube to store binary data as electrostatic charges on a phosphor-coated screen.
-
E.
Rasta Vechta
Rasta Vechta is a professional basketball club from Vechta, Germany, known for competing in the country’s top leagues and developing a passionate local fan base.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
acoustics experiment
ⓘ
physics demonstration apparatus ⓘ thermoacoustic device ⓘ |
| category |
acoustic resonators
ⓘ
laboratory equipment ⓘ thermoacoustic resonators ⓘ |
| demonstrates |
Rayleigh criterion for thermoacoustic instability
ⓘ
conversion of heat into sound ⓘ self-excited acoustic oscillations ⓘ thermoacoustic oscillations ⓘ |
| field |
acoustics
ⓘ
fluid dynamics ⓘ thermoacoustics ⓘ |
| hasComponent |
heating element
ⓘ
support structure ⓘ wire mesh ⓘ |
| hasShape | vertical tube ⓘ |
| inventor | Pieter Leonard Rijke NERFINISHED ⓘ |
| mechanism | heat addition in phase with pressure oscillations ⓘ |
| namedAfter | Pieter Leonard Rijke NERFINISHED ⓘ |
| operatesWith | upward airflow through the tube ⓘ |
| oscillationType | longitudinal acoustic mode ⓘ |
| powerSource |
electrical heating of wire mesh
ⓘ
external flame under wire mesh ⓘ |
| produces |
acoustic standing wave
ⓘ
loud tone ⓘ |
| relatedConcept |
Sondhauss tube
NERFINISHED
ⓘ
combustion-driven acoustic instability ⓘ thermoacoustic engine ⓘ |
| requires |
heat source
ⓘ
steady airflow ⓘ |
| requiresCondition |
airflow Reynolds number above critical value
ⓘ
sufficient temperature difference across wire mesh ⓘ |
| typicalMaterial |
glass tube
ⓘ
metal tube ⓘ |
| typicalOrientation | vertical ⓘ |
| usedFor |
demonstrating thermoacoustic instability
ⓘ
educational demonstrations ⓘ studying coupling of heat release and acoustics ⓘ |
| usedIn |
combustion instability research
ⓘ
thermoacoustic engine studies ⓘ university physics laboratories ⓘ |
| usesMedium | air ⓘ |
| wireMeshFunction | periodic heating of passing air ⓘ |
| wireMeshPosition | lower half of the tube ⓘ |
| yearOfInvention | 1859 ⓘ |
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: Rijke tube Description of subject: The Rijke tube is a simple experimental device that demonstrates thermoacoustic oscillations by producing a loud tone when heated air flows through a vertical tube containing a heated wire mesh.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.