On the Effects of Trailing Edge Bluntness Size Over Airflow-Induced Noise for a Naca0012 Airfoil

Authors

  • Behzad Amirsalari Carleton University
  • Joana Rocha Department of Mechanical and Aerospace Engineering, Carleton University, Ottawa, ON

Abstract

This project investigates the effects of Trailing Edge (TE) bluntness size on airfoil self-noise using Computational Fluid Dynamics (CFD). The study case is a NACA0012 airfoil with the original chord length (C) of 0.2286m; the airfoil has a varying TE blunted between 0 and 10mm, lowering the effective chord length. The airflow has an Angle of Attack (AoA) of 4° and a free stream velocity of 40m/s. To conduct the CFD simulations, the flow domain consisted of a C-type domain with a length and height of 40C and 10C, respectively. Simulations employ a hybrid Embedded Large-Eddy Simulation (ELES) technique to calculate the flow properties. A correlation length of 0.5C also accounts for spanwise effects in the Ffowcs-Williams and Hawkings (FW-H) acoustic analogy approach to predict far-field noise. Mesh convergence and domain size stability have been checked after verifying the simulation method against available literature. The current study focuses on the relationship between TE bluntness size and Sound Pressure Level (SPL), peak frequencies, and aerodynamic performance of the airfoil.

Additional Files

Published

2024-05-12

How to Cite

1.
Amirsalari B, Rocha J. On the Effects of Trailing Edge Bluntness Size Over Airflow-Induced Noise for a Naca0012 Airfoil . Canadian Acoustics [Internet]. 2024 May 12 [cited 2025 Feb. 16];52(1). Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/4167

Issue

Vol. 52 No. 1 (2024): Proceedings of Acoustics Week in Canada 2024 Conference joint with 186th Meeting of the Acoustical Society of America

Section

Proceedings of the Acoustics Week in Canada

License

Author Licensing Addendum

This Licensing Addendum ("Addendum") is entered into between the undersigned Author(s) and Canadian Acoustics journal published by the Canadian Acoustical Association (hereinafter referred to as the "Publisher"). The Author(s) and the Publisher agree as follows:

  1. Retained Rights: The Author(s) retain(s) the following rights:

    • The right to reproduce, distribute, and publicly display the Work on the Author's personal website or the website of the Author's institution.
    • The right to use the Work in the Author's teaching activities and presentations.
    • The right to include the Work in a compilation for the Author's personal use, not for sale.

  2. Grant of License: The Author(s) grant(s) to the Publisher a worldwide exclusive license to publish, reproduce, distribute, and display the Work in Canadian Acoustics and any other formats and media deemed appropriate by the Publisher.

  3. Attribution: The Publisher agrees to include proper attribution to the Author(s) in all publications and reproductions of the Work.

  4. No Conflict: This Addendum is intended to be in harmony with, and not in conflict with, the terms and conditions of the original agreement entered into between the Author(s) and the Publisher.

  5. Copyright Clause: Copyright on articles is held by the Author(s). The corresponding Author has the right to grant on behalf of all Authors and does grant on behalf of all Authors, a worldwide exclusive license to the Publisher and its licensees in perpetuity, in all forms, formats, and media (whether known now or created in the future), including but not limited to the rights to publish, reproduce, distribute, display, store, translate, create adaptations, reprints, include within collections, and create summaries, extracts, and/or abstracts of the Contribution.

Most read articles by the same author(s)

1 2 3 > >>