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Thread: [Science amateur] New method of generating energy via the Leidenfrost effect

  1. #1 [Science amateur] New method of generating energy via the Leidenfrost effect 
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    Feb 2018
    Before I start, I wanted to say that I am everything but a science guy. I like to think about certain solutions or topics but I often lack knowledge of that certain topic to come up with something. Everything I say is based on my current knowledge and might (or is propably) incomplete or simply nonsence. However, I felt like sharing this regardless.

    I've finished watching a video about the Leidenfrost effect causing water to "propell" itself duo the heat (link below). This video showed that water driplets under the influance of the Leidenfrost effect were propelling themselfs up a slope duo the construction, textures and materials used of that slope (and the Leidenfrost effect ofcourse). Video:

    From what I understand from this video:
    - A surface needs to be hot enough for the water to boil fast enough that the contacting layer of water instantly boils. This creates an insulator which causes the heat barely to spread to the water above.
    - The only energy required is for heating up the slope.
    - Controlling the "flow" of the water is difficult, but doable.
    - The flowing won't change until the surface temperature is different.

    You can technicly generate energy with water turbines with the kinetic energy of the water by propelling the water into the blades of the turbine.
    This does come with one big problem: You need more energy to heat up the surface than this will generate. However, can't we provide the energy for heating up the service to a consistent level using the earth's energy released from area's like vulcano's? You can use the released energy to heat up the surface to make this possible. This will pretty much always provide enough energy to heat up the surface to a high enough temperature for the Leidenfrost effect to happen. You might be able to redirect the water back to the original position to repeat this proces, creating a seemingly infinite loop - as long as you keep the amount of water consistent.

    It won't suprise me if simply installing thermal generators is more energy efficient than this idea. But maybe this could be a proof of concept for a future design?

    Last edited by ItsSander; February 4th, 2018 at 02:18 PM. Reason: Some clearing up.
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  3. #2  
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    Perhaps. But if you already have a good source of heat, I'd think it's probably a lot more efficient to use the more conventional looped boil and turbine electrical production such as modern geothermal plants.

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