Surface and method for reducing drag

A surface with a tuned array of disturbance elements passively generates spatially oscillating fluid flow to reduce drag, overcoming limitations of existing technologies by achieving substantial drag reductions with minimal energy input.

WO2026107557A1PCT designated stage Publication Date: 2026-05-28UNIVERSITY OF MELBOURNE
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
UNIVERSITY OF MELBOURNE
Filing Date
2025-11-21
Publication Date
2026-05-28

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Abstract

A surface for reducing drag on a body, comprising an array of disturbance elements configured to passively steer near-wall fluid flow in a spanwise direction relative to the surface, wherein an arrangement of the elements within the array is tuned to generate a spatially oscillating fluid flow across the surface.
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