Numerical Investigation of Swirl Flow in Curved Tube with Various Curvature Ratio
Veröffentlicht in 2013
The influences of curvature effects and swirl intensities for Non-Newtonian viscous fluid flow in a curved tube have been numerically investigated by using COMSOL Multiphysics®. The twisted tape, which are located directly in front of the curved part, are used as swirl flow generators. The tape is twisted until it reaches an angle of 90 degrees and turns right. Swirling flow, getting into the curved part, forms two vortexes with different sizes: the largest is located on the inside of the curved part. Then, these vortexes shifted to the outside of the curved part due to the inertial forces. Then vortixes are deformed and die out.
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