Nearwall similarity in threedimensional turbulent boundary layers. I  Model review. II  Pressuredriven flow results
Abstract
Eleven proposed models for nearwall similarity for threedimensional turbulent boundary layer flows are reviewed. Six of these models are comparatively simple scalar models and five are more complex and/or twocomponent vector models. Ten of the models can be tested as to their validity or predictive capability with the aid of measured mean velocity field, wall pressure field, and direct wall shear stress field (magnitude and direction) data. One of the models cannot be tested owing to its dependence on two parameters that are at present extremely difficult (if not impossible) to measure. Ten threedimensional nearwall similarity models are then evaluated with direct wall shear, velocity field, and pressure gradient data from a threedimensional pressuredriven boundary layer flow. In a primary focus of the interval where y+ is between 50 and 300, graphical results suggest that six simpler models and the freestream component of one complex model are adequate for profiles with monotone increasing skew up to about 15 deg.
 Publication:

Three Dimensional Turbulent Shear Flows
 Pub Date:
 1982
 Bibcode:
 1982tdts.proc...85P
 Keywords:

 Computational Fluid Dynamics;
 Mathematical Models;
 Similarity Theorem;
 Three Dimensional Boundary Layer;
 Turbulence Models;
 Turbulent Boundary Layer;
 Wall Flow;
 Pressure Distribution;
 Pressure Gradients;
 Scalars;
 Shear Stress;
 Stress Distribution;
 Vector Analysis;
 Velocity Distribution;
 Wall Pressure;
 Fluid Mechanics and Heat Transfer