Accession Number : AD0778533

Title :   On the Discrete Component in the Noise Spectrum of Supersonic Annular Jets,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Shvets,O. I. ; Lyutyi,O. I.

Report Date : 02 APR 1974

Pagination or Media Count : 9

Abstract : In investigations of acoustic radiation from supersonic nozzles the greatest interest is presented by that part of the acoustic energy that relates to the bottom cross section of the central body of the annular jet, since this has an adverse effect on the constructional elements of the rocket apparatus and apparatus close to the bottom cross section. Therefore, this part of the acoustic radiation was studied.

Descriptors :   *Rocket engine noise, *Supersonic characteristics, *Annular nozzles, Low frequency, Turbulent flow, Intensity, Mathematical models, Spectra, Translations, USSR

Subject Categories : Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE