AN APPROXIMATE ANALYTICAL SOLUTION FOR P
โ
E. Dokumaci
๐
Article
๐
1998
๐
Elsevier Science
๐
English
โ 262 KB
A general approximate analytical solution is presented for transmission of plane sound waves in subsonic low Mach number ducts with axial ambient gradients and cross-sectional area variations. This is essentially a high frequency approximation and explicit criteria are presented for the estimation o