Green'S Functions For Propagation of Sound in A Simply Moving Fluid

Akhlesh Lakhtakia, Vijay K. Varadan, Vasundara V. Varadan

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Two approaches involving the spatial and temporal Fourier transforms have been used to derive time- and space-dependent Green's functions pertinent to the propagation of sound waves in a fluid that is moving with a constant velocity v. The two approaches give rise to differing interpretations of the observations made by a stationary observer vis--vis those made by an observer moving with the fluid. The properties of the causal and the noncausal Green's functions are analyzed, and are shown to be equivalent.

Original languageEnglish (US)
Pages (from-to)1852-1856
Number of pages5
JournalJournal of the Acoustical Society of America
Issue number5
StatePublished - May 1989

All Science Journal Classification (ASJC) codes

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics


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