acoustic heat engine

acoustic heat engine

[ə′küs·tik ¦hēt ‚en·jən]
(engineering)
A device that transforms heat energy first into sound energy and then into electrical power, without the use of moving mechanical parts.
References in periodicals archive ?
This latter process is the basis for a liquid-metal acoustic heat engine now being developed at the Los Alamos (N.M.) National Laboratory (LANL).
The prototype liquid-metal acoustic heat engine consists of a 1-meter-long metal tube, closed at both ends and filled with liquid sodium.
The sodium engine is just one extension of earlier work on acoustic heat engines (SN: 12/4/82, p.