A small scale experiment was designed to study the propagation of the front of a viscous fluid filling a curved pipe. Several Newtonian fluids with different viscosities and a non-Newtonian fluid have been used. The experiments show that there exists a minimum speed for completely filling the pipe, which depends on the parameters of the experiment (diameter d and radius of curvature R of the pipe, kinematic viscosity of the fluid). Appropriate dimensionless numbers are introduced to characterize the flow and optimal filling conditions.
Flow Filling a Curved Pipe
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division August 4, 1999; revised manuscript received February 28, 2001. Associate Editor: P. E. Raad.
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Michallet, H., Mathis , C., Mai¨ssa , P., and Dias, F. (February 28, 2001). "Flow Filling a Curved Pipe ." ASME. J. Fluids Eng. September 2001; 123(3): 686–691. https://doi.org/10.1115/1.1374442
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