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Boundary layer forcing on a rotating wing at low Reynolds numbers

Authors
  • Jaroslawski, Tomek
  • Forte, Maxime
  • Moschetta, Jean-Marc
  • Gowree, Erwin Ricky
Publication Date
Jan 01, 2023
Identifiers
DOI: 10.1007/s00348-023-03597-9
OAI: oai:HAL:hal-04015796v1
Source
HAL-Descartes
Keywords
Language
English
License
Unknown
External links

Abstract

Two separate experiments were conducted on a three-bladed NACA0012 rotor operating at a blade tip Reynolds number ranging from 44 − 110 × 10 3 using phase-locked infrared thermography (IRT) coupled with force and torque measurements. The first experiment consisted of a parametric study on the impact of forcing boundary layer transition using roughness placed on the suction side of the aerofoil in a hover configuration. Boundary layer forcing on a rotating wing at low Reynolds numbers with earlier transition, where the excrescence drag due the roughness elements would not be present in the freestream turbulence forcing case.

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