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Is there a way to design an electrical system (wires, resistors, batteries etc.) on the surface of water so that it doesn't sink, receives heat from water and doesn't deteriorate because of water getting there(is waterproof)? I think of a floating heat conductive platform close to water, but I am not a professional so I'm not sure. Could you help, please?

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  • $\begingroup$ think about an aluminum fishing boat $\endgroup$
    – jsotola
    Dec 9, 2022 at 16:47
  • $\begingroup$ Or even a piece of plastic floating in the garbage patch. Property that allows floating can be thought of as weight vs weight of water displaced. $\endgroup$
    – Abel
    Sep 6, 2023 at 13:21
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    $\begingroup$ @Abel thank you! I already used vynil as a heat conductive water insulator and foam plastic to not let everything sink; it worked pretty well too :D $\endgroup$
    – zuzelle
    Sep 7, 2023 at 17:20
  • $\begingroup$ What are you doing exactly. You might loose a little power, but water isn't a problem if the conductors conduct better than water. Pure water is a lousy conductor. Sea water is better, but not great. Toasters don't work very well under water, but you can probably run an old radio under water. You just have to increase the component spacing a little bit to account for the lower dielectric constant., and the efficiency will be lower. Maintain a voltage that prevents corrosion on all components - no galvanic corrosion. Don't let conductive thingies (life) swim around and disrupt things. $\endgroup$
    – Phil Sweet
    Jan 3 at 0:42
  • $\begingroup$ nemopowertools.com/product/nemo-angle-grinder-50m-v2 $\endgroup$
    – Phil Sweet
    Jan 3 at 0:44

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Yes, I don't see any reason why this would not be possible. You are basically describing a boat with a lower hull-temperature than the water it is in.

Maybe you can elaborate on what your goal is with this platform? Then we can probably give a better answer to its feasibility.

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    $\begingroup$ This is better suited as a comment. $\endgroup$
    – AJN
    Dec 8, 2022 at 13:15
  • $\begingroup$ Yes, I need to place a bunch of thermoelements with heat sinks as close to the surface water as possible. My problem is I don't know how to make it so that they don't sink, still get heated by the water below them and the whole system is waterproof at the same time $\endgroup$
    – zuzelle
    Dec 8, 2022 at 13:16
  • $\begingroup$ @AJN I guess you're right. Unfortunately, I cannot comment yet :( $\endgroup$
    – Chris_abc
    Dec 8, 2022 at 14:45
  • $\begingroup$ @zuzelle It's definitely possible. Ideally you would prevent having any electrical elements in direct contact with the water. Maybe you could add heat sinks/conductors to the bottom of your thermoelements that connect with the water, so that the elements don't need to be directly in the water. $\endgroup$
    – Chris_abc
    Dec 8, 2022 at 14:48
  • $\begingroup$ Okay, thank you $\endgroup$
    – zuzelle
    Dec 8, 2022 at 16:23

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