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Instabilities of
flows in helical pipes Gelfgat, 2020, Fluid Dynamics
Research, to appear |
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Definitions
for the helical pipe
centerline: curvature: torsion: Dimensionless curvature: Torsion to curvature ratio: Reynolds number: Assume
pressure gradient D T
Governing equations in Germano coordinates Comparison with experiments: friction factors Comparison with experiments: stability Disturbance modes and animations |