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.
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 ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.