A study on the transmission of sound through flow ducts of varying cross section
By: S. W. Rienstra.
Contributors: National Aerospace Laboratory (The Netherlands)
Publisher: National Aerospace Laboratory NLR
Published: 1983
Place of publication: Amsterdam
Number of pages: 47
Subjects: Acoustic ducts; Ducts; Sound fields; Turbofan engines; Variable geometry structures
Notes: Bibliography: p.18-20.