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Torque measurements in a wide gap Taylor-Couette flow

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In the present work we investigate turbulent differentially rotating Taylor-Couette flow. In a wide gap experiment we measure the torque effecting on the inner cylinder wall for a wide range of angular velocities of both cylinders. The dependency on shear Reynolds number is reported. We find a maximum in torque for counter rotating cylinders and compare our experimental results with numerical investigations.

Author(s):

Sebastian Merbold    
Dept. of Aerodynamics and Fluid Mechanics, Brandenburg University of Technology Cottbus
Germany

Christoph Egbers    
Dept. of Aerodynamics and Fluid Mechanics, Brandenburg University of Technology Cottbus
Germany