I'm gonna have to give this a try. The one where he soaked a towel and sealed it in a bag to make a seat cooler is worth a few bucks for the supplies. That would be amazing to take camping.
this post was submitted on 21 Jun 2024
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One thing to keep in mind which he didn't mention is that these PCMs change volume slightly, thus sealing them in fixed containers is a bit problematic.
But yes, these are very interesting and I have also been thinking of a nice thermal storage project with them. Putting a pack of higher temperature PCMs behind a basic wood stove for example might simulate the effect of a much more advanced thermal storage clay stove pretty well.