Turbulence Measurements in an Axisymmetric Separated and Reattached Flow Over a Longitudinal Blunt Circular Cylinder

[+] Author and Article Information
T. Ota, H. Motegi

Department of Mechanical Engineering, Akita University, Akita 010, Japan

J. Appl. Mech 47(1), 1-6 (Mar 01, 1980) (6 pages) doi:10.1115/1.3153606 History: Received November 01, 1978; Revised July 01, 1979; Online July 21, 2009


Turbulence measurements were made in the separated, reattached, and redeveloped regions of an axisymmetric incompressible airflow over a longitudinal circular cylinder with blunt leading edge. Three components of turbulent fluctuating velocity and the turbulent shear stress are presented. In the boundary layer downstream of the reattachment point, Prandtl’s mixing length and turbulent kinetic energy length scale are estimated, and the correlation between the turbulent shear stress and the turbulent kinetic energy is described.

Copyright © 1980 by ASME
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