Aeroacoustic Noise Source Investigation in the Case of the Blade Cascade

0565254 - ÚT 2023 CZ eng C - Conference Paper (international conference)
Procházka, Pavel P. - Antoš, Pavel - Šnábl, Pavel
Aeroacoustic Noise Source Investigation in the Case of the Blade Cascade.
Dynamics of Machines and Mechanical Systems with Interactions, DYMAMESI 2022. Prague: Institute of Thermomechanics Academy of Sciences of the Czech Republic, v. v. i., 2022 - (Zolotarev, I.; Pešek, L.; Kozień, M.), s. 65-58. ISBN 978-80-87012-78-9.
[International colloquium DYMAMESI 2022. Prague (CZ), 01.03.2022-02.03.2022]
R&D Projects: GA ČR(CZ) GA20-26779S
Institutional support: RVO:61388998
Keywords : blade cascade * time-resolved PIV * HW anemometry * FFT
OECD category: Applied mechanics

The blade cascade consisted of five NACA 0010 profiles is examined in the framework of project dealing with nonlinear dynamic phenomenon related to stall flutter of flexible profiles with pitch degree of freedom in subsonic flow. Various angles of attack (AoA) of the cascade generates different (broadband) aeroacoustic noise. The goal of this article is to describe the existence of possible noise sources using two experimental methods – Particle Image velocimetry (PIV) and hot-wire (HW) anemometry.
Permanent Link: https://hdl.handle.net/11104/0337853