CATALOG DATA:
Approximate methods in solving the boundary layer equations. Properties and solutions of viscous compressible flows. Introduction to equations of motion in turbulent shear flows.

TEXTBOOK:
Various reference texts and published articles.

GOALS:
This course is a continuation of Viscous Flow I with the intent to treat complex viscous flows which include compressibility and turbulence.

Prerequisites:
AME 601 or consent of instructor.

Topics:

• Turbulent flows: Boundary layers and sheer flows. Equations of motion, Prandtl's mixing length theory, Von Karman's similarity theory, and Taylor's vorticity theory. Turbulent boundary layers: viscous layer, law of the wall, law of the wake. Effects of pressure gradient and roughness. Mean flow models for eddy viscosity and mixing length. composite models and direct turbulence models. Turbulent jets and wakes. New theories for turbulent shear flows and computation.
• Compressible laminar boundary layer flow: Equations of motion, Mangler's transformation, Von Mise's transformation, Crocco's transformation, Dorodnitsyn-Howarth transformation, Pressure gradient effects, similarity solution, Chapman-Rubesin method, and Crocco's method. Approximate methods in solving the boundary layer equations. Shock boundary layer interaction. Viscous hypersonic flow.
• Heterogeneous boundary layers: Surface material and boundary layer interaction. Mass transfer effects, dissociation effects and chemical reactions. Ficks law, Soret and Dufour effects. Multiple special effects.

Computer Usage:
Boundary layer calculations utilizing known transformations for wall shear stress and heat transfer.

ABET category content as estimated by faculty member who prepared the course description:
Engineering Science: 3 credits or 100%
Engineering Design: 0 credits

Prepared by: Professor Albin Szewczyk
Last Update: March 27, 1992

Direct comments, questions, and corrections to amedept@nd.edu