Assertion: heat engine | /r/CapableOf | use high-amplitude sound waves
Facets:
value: to pump heat
type: PURPOSE
Source sentences:
text: Another group of noncombustive engines includes thermoacoustic heat engines (sometimes called "TA engines") which are thermoacoustic devices which use high-amplitude sound waves to pump heat from one place to another, or conversely use a heat difference to induce high-amplitude sound waves.