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cm0002@lemmings.world to Science@mander.xyz · 2 months ago

A Fundamental Principle of Aeronautical Engineering Has Been Overturned

www.wired.com

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A Fundamental Principle of Aeronautical Engineering Has Been Overturned

www.wired.com

cm0002@lemmings.world to Science@mander.xyz · 2 months ago
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It's long been accepted that the smoother the surface, the lower the aerodynamic drag. That turns out not always to be the case.

Paywall Bypass Link https://archive.is/DbcqV

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    2 months ago

    Graph is here:

    https://www.tohoku.ac.jp/japanese/newimg/pressimg/tohokuuniv-press20260512_02web_DMR.pdf

    Keynotes are here:

    https://www.tohoku.ac.jp/japanese/2026/05/press20260512-02-DMR.html

    • m0darn@lemmy.ca
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      2 months ago

      Thanks, I can’t read the notes but the graph is pretty good.

      Edit: … Coefficient of drag seems same in laminar regime, the surface treatment seems to only improve efficiency or make no change

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