Accession Number:

AD0276032

Title:

ACOUSTIC FIELD OF A CYLINDRICAL JET DUE TO A DISTRIBUTION OF RANDOM SOURCES OR QUADRUPOLES

Descriptive Note:

Technical rept.,

Corporate Author:

GENERAL APPLIED SCIENCE LABS INC WESTBURY N Y

Personal Author(s):

Report Date:

1962-02-01

Pagination or Media Count:

1.0

Abstract:

A method is used to describe the field of a single harmonic oscillator to the description of the far field of a random distribution of sources and quadrupoles arising in an axisymmetric steady flow field. The random source distribution is described in terms of a spatial and temporal correlation function. Expressions are obtained for the mean square intensity and power spectral density of the acoustic noise field. The effect of eddy convection is not included. It is found that the assumption of a source mechanism results in a far field distribution which resembles those experimentally available, whereas the lateral quadrupole mechanism fails in this respect. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE