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Science 30 June 1967:
Vol. 156. no. 3783, pp. 1725 - 1727
DOI: 10.1126/science.156.3783.1725
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Articles

Momentum Transport in Turbulent Flow between Concentric Rotating Cylinders

J. B. Southard 1

1 Division of Geological Sciences, California Institute of Technology, Pasadena 91109

Apparent shear stress in turbulent flow between a stationary inner cylinder and a rotating outer cylinder is measured by computing radial flux of tangential momentum by use of velocities obtained from photographs of successive positions of marker particles assumed to represent the fluid motion. Values are consistent with total shear stress at the inner cylinder found by measuring the velocity gradient.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)