Accession Number:

ADA183292

Title:

A Pressure Gradient Algorithm to Maintain a Statistically Steady State Turbulent Channel Flow.

Descriptive Note:

Memorandum rept.,

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s):

• Sakell,Leonidas
• Hansen,R. J.

Report Date:

1987-07-27

Pagination or Media Count:

15.0

Abstract:

An algorithm is presented for the computation of streamwise pressure gradient for use in the computation of turbulent channel flow using the full incompressible Navier-Stokes equations of motion. The algorithm is fully hands off, no assumptions or constants are employed. Forces balance exactly throughout the calculations. Results are presented which show that a statistically steady turbulent state is reached and maintained using this algorithm. Keywords Turbulent Channel flow Incompressible Steady state Pressure gradient.

Descriptors:

• *PRESSURE GRADIENTS
• *CHANNEL FLOW
• *TURBULENT FLOW
• ALGORITHMS
• INCOMPRESSIBILITY
• NAVIER STOKES EQUATIONS
• STEADY STATE
• TURBULENCE
• EQUATIONS OF MOTION

Subject Categories:

• Fluid Mechanics
• Statistics and Probability

Distribution Statement:

APPROVED FOR PUBLIC RELEASE