Accession Number:

AD0711969

Title:

ORDERLY STRUCTURE IN JET TURBULENCE

Descriptive Note:

Corporate Author:

BOEING SCIENTIFIC RESEARCH LABS SEATTLE WA

Personal Author(s):

• Crow, S. C.
• Champagne, F. H.

Report Date:

1970-07-01

Pagination or Media Count:

99.0

Abstract:

A study was made to determine whether jet turbulence is orderly in any sense, and whether the order can be enhanced and controlled by a slight periodic surging imposed at the jet exit. The technological motivation for the study was jet noise. To the extent that turbulent mixing can be accomplished by an orderly process, a new range of noise-suppression techniques becomes available, and the problem of predicting jet noise becomes much simpler.

Descriptors:

• *TURBULENCE
• *NOISE
• INCOMPRESSIBLE FLOW
• MATHEMATICAL ANALYSIS
• STRUCTURAL PROPERTIES
• CONTROL

Subject Categories:

• Aerodynamics
• Acoustics
• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE