Device uses movement of ions to generate airflow without any moving parts like in iPads and MacBook Air.

      • @Duamerthrax@lemmy.world
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        13 months ago

        They’re “bladeless” fans are just regular fans with more steps. Those added steps introduce inefficiencies. Simple as that. If you wanted to make a fan more efficient, you could add a shroud close to the blades, but the energy cost of electric fans are already low enough that it really doesn’t matter.

      • @splinter@lemm.ee
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        33 months ago

        Advertising for a product isn’t a citation. That article literally just repeats Dyson’s own claims. Do you have anything that actually tests that claim?

          • @splinter@lemm.ee
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            03 months ago

            You made an assertion. If you are unable to provide supporting evidence, we can assume that your assertion is incorrect without needing to prove anything.

        • @xthexder@l.sw0.com
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          23 months ago

          I don’t think you two are even contradicting each other. The airflow going through the base can be 15x smaller than the total result, but also require more energy than just using a regular fan that moves that amount of air.

          Total airflow and efficiency are two independent things.

          Disclaimer: I have no real data on how Dyson fans work.

            • @xthexder@l.sw0.com
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              23 months ago

              As demonstraded by the ActionLab video someone else posted, “bladeless” fans in general are less efficient. The one he tested was not a Dyson and didn’t have a HEPA filter.

                • @xthexder@l.sw0.com
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                  23 months ago

                  It was also moving more volume of air, not just airspeed. Sure I would have loved to see a fully shrouded experiment, but their experiment did show a regular fan moved air faster over a wider area, which would mean it is also moving a higher volume of air.