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July 5, 2026Aircraft Engineering and Aerospace Technology

Development of a rectifier grille to improve flow-field uniformity by mitigating wake vortices in rotating-arm wind-tunnel apparatus

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Authors

FQFusheng QiuGLGuodong LaiMMMd Helal Miah

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Overview

Randomized trial assesses wake vortex control using a rectifier grille in a rotating-arm wind tunnel, enhancing flow stability.

Key Points

  • This research aims to evaluate a rectifier grille's effectiveness in mitigating wake vortices to improve flow field uniformity.
  • Developed a rotating-arm apparatus equipped with a rectifier grille structure.
  • Simulated airflow in a sealed test chamber with controlled conditions using Fluent 2021.
  • Conducted numerical simulations employing the realizable k–ε model for accuracy.
  • Identified that the wake vortex adversely affected flow stability.
  • Showed that the rectifier grille improved velocity uniformity and reduced flow irregularities.
  • Enhanced flow directional stability and pressure distribution under low-speed conditions.

Cite This Study

Qiu et al. (2026) studied this question.

synapsesocial.com/papers/6a49f4b8f5d1d45b287fffechttps://doi.org/10.1108/aeat-11-2024-0318
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