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Amplifying the power density in thermoacoustic systems using a spring component

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By Lycklama à Nijeholt, Pierre-Amaury Grumiaux, Siegbert Versümer, Materials Transition TNO
| American Institute of Physics
This paper deals with the introduction of a spring component into a thermoacoustic system to increase the power density. This enables more compact and cheaper thermoacoustic systems. A theoretical and experimental study is presented to demonstrate the effect of the introduction of a spring component to amplify the thermal power in a thermoacoustic heat pump. The required spring constant is determined using an electrical circuit analogy model and a DeltaEC model of an existing heat pump.
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