BODY PROVIDED WITH A SUPERFICIAL AREA ADAPTED TO REDUCE DRAG

Body provided with a superficial area adapted to reduce drag when the body is moving relative to a gaseous or watery medium, comprising depressions in said superficial area, wherein the depressions have a greater length than width and are provided in the superficial area so as to collectively shape...

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Bibliographic Details
Main Authors VAN CAMPENHOUT, Olaf, VELDHUIS, Leonardus Louis Maria, VAN NESSELROOIJ, Michiel
Format Patent
LanguageEnglish
French
German
Published 07.10.2020
Subjects
BLASTING
FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOWOF GASES OR LIQUIDS
FLUID-PRESSURE ACTUATORS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Summary:Body provided with a superficial area adapted to reduce drag when the body is moving relative to a gaseous or watery medium, comprising depressions in said superficial area, wherein the depressions have a greater length than width and are provided in the superficial area so as to collectively shape a curvature provided in a length direction of said depressions in the superficial area, and/or said depressions themselves are provided with a curvature in their length direction. The depressions are thus adapted to provide that a turbulent boundary layer of the gaseous or watery medium adjacent to the superficial area of the body is exposed to lateral excitation with reference to a movement direction of the body in the gaseous or watery medium or with reference to a flow direction of said turbulent boundary layer along said superficial area of the body. Said lateral excitation results in a reduction of drag.
Bibliography:Application Number: EP20170755287