Active control of liner impedance by varying perforate orifice geometry
By: K.K. Ahuja and R.J. Gaeta.
Contributors: Gaeta, R. J.; Langley Research Center.
Series: [NASA contractor report] -- NASA/CR-2000-210633.; NASA contractor report -- NASA CR-210633.
Publisher: National Aeronautics and Space Administration, Langley Research Center; National Technical Information Service, distributor
Published: 2000
Place of publication: Hampton, Va; Springfield, VA
Language: eng
Format: Microform
Subjects: Active control.; Feasibility analysis.; Acoustic impedance.; Resonant frequencies.; Porosity.; Aeroacoustics.
Notes: Shipping list no.: 2001-0362-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 2001] 3 microfiches.