Uploaded March 2021 | Updated September 2026, 2 weeks ago

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In this video we explore another facet of thermoacoustics: heat pumps and refrigeration. Check out my sponsor MEL Science and use the promo code "nighthawk" for 25% off the first month: bit.ly/MELScienceNHiL

Resources for further study:
Blade Attila's excellent thermoacoustic/heat engine page: youtube.com/user/bladeattila

Part 1 of my thermoacoustic series: youtu.be/abswNCqnMRQ

In depth paper on the function of a basic thermoacoustic refrigerator: researchgate.net/publication/254810534_Loudspeaker-driven_thermo-acoustic_refrigeration


Here's a paper done on a modified NASA heat pump: asa.scitation.org/doi/10.1121/1.428635

This page has a nice animation comparing sound wave particle movement vs. pressure: physicslens.com/pressure-variation-in-stationary-sound-waves

A special thanks to my top Patrons: LVE, Enzo Breda Lee, Jon Hartmann, TheBackyardScientist & Eugene Pakhomov! If you enjoy these videos please consider supporting my efforts to continually improve them: patreon.com/NightHawkProjects

Thanks for watching!
-Ben