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The flow turbulence influence on momentum and heat transfer processes on surfaces. In many cases this process of intensification is realized by use free and impinged jets. The strong velocity gradient in shear layer of free jet created between jet and environment is able to generate high turbulent flow. So free jet can be an easy way to use it as a source of turbulent flow to intensifying transport phenomena on surface. To recognize mechanism of production of turbulence in free jet the shear stress distribution were measured. This information can be useful to verify possibility to use for calculations as simple model of turbulence as possible in case of turbulent flows with high production of turbulence.
Author(s):
Leon Boguslawski
Poznan University of Technology
Poland