27 Jan '18, 9am

Cook in seawater

With very little extra effort, the vaporization vessel can be pressurized and thusly reduce the amount of energy needed to accomplish the phase change. Btw, nucleate boiling is the transport phenomenon most of us are familiar with and which occurs on our kitchen stoves. This is vaporization of liquid at the heat transfer surface. Film boiling can occur after nuclear boiling, but only if a threshold of energy is met. This can result in very inefficient heat transfer due to a vapor layer formed between the transfer surface and the liquid, but this is not likely to occur on your kitchen stove. Film boiling can reach very high heat transfer rates, but requires much more energy for that to happen. This process may be what you were referring to in your “5x more energy.” It’s possible that you spent an equivalent or more amount of energy charging your laptop battery and operating...

Full article: https://www.greenoptimistic.com/homemade-water-distiller/...

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