On the propagation of sound in a rectangular duct with gradients of mean flow and temperature in both transverse directions

ON THE COHERENCE OF THE SOUND FIELD IN A

ON THE COHERENCE OF THE SOUND FIELD IN A CIRCULAR DUCT WITH UNIFORM MEAN FLOW

✍ A. Michalke; F. Arnold; F. Holste 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 410 KB

The sound pressure generated by a point mass monopole with arbitrary time dependence in a circular duct with uniform mean flow has been derived in the time domain. In a further step, the cross-correlation function and the cross-spectral density of the sound pressure between two microphone positions