Accession Number:

ADA010226

Title:

A Note on Favre Averaging in Variable Density Flows.

Descriptive Note:

Technical rept.,

Corporate Author:

PURDUE UNIV LAFAYETTE IND PROJECT SQUID HEADQUARTERS

Personal Author(s):

• Bilger,R. W.

Report Date:

1975-05-01

Pagination or Media Count:

12.0

Abstract:

The concept of a Favre probability density function is introduced and this formalizes the definition of Favre averages in variable density flows. Current approaches to turbulence modeling suggest that it is the Favre probability density function which models in such flows. This is of particular use in the modeling of conserved scalars since the conservation equations deliver the Favre average and variance.

Descriptors:

• *PROBABILITY DENSITY FUNCTIONS
• *FLOW FIELDS
• *FLUID MECHANICS
• MATHEMATICAL MODELS
• DENSITY
• EQUATIONS OF MOTION
• TURBULENT FLOW
• SCALAR FUNCTIONS
• JET PROPULSION
• GAS FLOW

Subject Categories:

• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE