Title:

Acoustic Streaming Heat Pipe

A thermoacoustic streaming heat pipe is a device that employs a standing acoustic wave within a particular medium to enhance the rate of heat transferred from an object. This method is especially attractive for use in near zero-gravity environments where natural convection does not occur. To test this theory, a small test section was designed with "hot" and "cold" aluminum plates, where the hot plate, heated by an electric strip heater, represents a hot object/surface that is to be cooled. The cold plate acts as a heat sink to draw heat from the top plate. At one end of the section, a small speaker was placed to produce the standing wave. Tests were conducted with and without the speaker in use, as well as with the hot plate on top and on bottom. Thermocouples were embedded in the test section to measure the temperatures of the surfaces. Results showed that this method has potential, as the cold plate appeared to absorb more heat when the standing wave was introduced.

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