Abstract
It is recognized that when a traveling acoustic wave propagates through a regenerator, heat pumping occurs inside it. Heat flows from one side becoming cold to the other side becoming hot. When the cold side of the regenerator is kept at ambient temperature, the thermoacoustic heat pump works as a heater and generates high temperatures. In this work, we develop a traveling wave thermoacoustic heat pump working as a heater. It is composed of an acoustic driver, a branched tube, and a looped tube containing a regenerator. The constructed heat pump generates a maximum temperature of 260℃ at the hot side of the regenerator.
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