Propagation of acoustic perturbations in non-uniform ducts with non-uniform mean flow using eigen analysis in general curvilinear coordinate systems - Wilson, Alexander G. (Journal of sound and vibration, 2019)
Keywords: Acoustic propagation; Acoustics; Annular ducts; Coordinates; Curvilinear; Ducts; Eigenvalue; Eigenvalues; Eigenvector; Eigenvectors; Entropy; Euler; Euler-Lagrange equation; Fluid flow; Ideal gas; Iterative methods; Linearization; Non-orthogonal; Perturbation; Propagation; Reflected waves; Simulation; Eigenvalue; Euler; Perturbation; Curvilinear; Eigenvector; Non-orthogonal