Measurements of the effects of wall outflow and porosity on wave attenuation in a transonic wind tunnel with perforated walls

Author:	Spiegel, Joseph M.
Additional Authors:	Tunnell, Phillips J.
Year:	1958
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-4360
Link:	https://digital.library.unt.edu/ark:/67531/metadc57479/