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http://hdl.handle.net/2183/34723 Numerical assessment of fan blades screen effect on fan/OGV interaction tonal noise
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Foulquié, C., Khelladi, S., Deligant, M., Ramírez, L., Nogueira, X., Mardjono, J. (2020). Numerical assessment of fan blades screen effect on fan/OGV interaction tonal noise. Journal of Sound and Vibration, 481, 115428. https://doi.org/10.1016/j.jsv.2020.115428
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[Abstract:] This work deals with sound generation and transmission in a fan stage. The study is done on a subsonic Fan stage and interaction noise between the fan wakes and the Outlet Guide Vanes (OGV) is considered. For this purpose, the Linearized Euler Equations (LEE) are solved with a steady axisymmetric flow. The acoustic sources are modelled by a scattering approach. Numerical simulations are carried out in an unwrapped cylindrical layer using a high-order finite volume solver. In order to explicitly take into account the moving fan blades into the propagation medium, a high-resolution sliding mesh technique is used. The simulation results, which highlight the screen effect of moving fan blades on fan/OGV interaction tones, are consistent with analytical literature.
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Versión aceptada de https://doi.org/10.1016/j.jsv.2020.115428
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Atribución-NoComercial-SinDerivadas 3.0 España
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Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España