Vortical gust boundary condition for realistic rotor wake/stator interaction noise prediction using computational aeroacoustics |
| |
Authors: | Ray Hixon Adrian Sescu |
| |
Affiliation: | a Mechanical, Industrial, and Manufacturing Engineering (MIME) Department, University of Toledo, Toledo, OH 43606, United States b Mechanical Engineering Department, University of Akron, Akron, OH 44325, United States |
| |
Abstract: | In this work, the NASA Glenn Research Center Broadband Aeroacoustic Stator Simulation (BASS) code is extended for use in the prediction of noise produced by realistic three-dimensional rotor wakes impinging on a downstream stator row. In order to accurately simulate such a flow using a nonlinear time-accurate solver, the inflow and outflow boundary conditions must simultaneously maintain the desired mean flow, allow outgoing vortical, entropic, and acoustic waves to cleanly exit the domain, and accurately impose the desired incoming flow disturbances. This work validates a new method for the acoustics-free imposition of three-dimensional vortical disturbances using benchmark test cases. |
| |
Keywords: | |
本文献已被 ScienceDirect 等数据库收录! |
|