Coherent interferometric imaging in a random flow

This paper is concerned with the development of imaging methods to localize sources or reflectors in inhomogeneous moving media acoustic waves that have travelled through them. A typical example localization broadband a turbulent jet flow for aeroacoustic applications. The proposed algorithms are extensions Kirchhoff migration (KM) and coherent interferometry (CINT) which been considered smooth randomly quiescent so far. They constructed starting from linearized Euler equations perturbations about stationary ambient flow. model problem propagation generated by fixed point source an constant velocity addressed. Based on this result functions modify existing KM CINT account velocity. subsequently tested compared numerical simulations various configurations, including synthetic representative main features encountered actual flows.