Modal switching of bubbly Taylor–Couette flow investigated by particle tracking velocimetry

Modal switching of bubbly Taylor–Couette flow investigated by particle tracking velocimetry

Injection of bubbles into Taylor–Couette flow creates new flow modes which have not been experienced in single-phase flow conditions. An array of spiral vortices array is one such mode departing from the original toroidal Taylor vortices. The aim of the present study is to explore the mode transitio...

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Veröffentlicht in:Experiments in fluids 2018-11, Vol.59 (11), p.1-18, Article 164
Hauptverfasser: Murai, Yuichi, Tasaka, Yuji, Oishi, Yoshihiko, Takeda, Yasushi
Format: Artikel
Sprache:eng
Schlagworte:
Arrays
Bubbles
Concentric cylinders
Couette flow
Drag reduction
Engineering
Engineering Fluid Dynamics
Engineering Thermodynamics
Fluid dynamics
Fluid flow
Fluid- and Aerodynamics
Heat and Mass Transfer
Particle tracking
Particle tracking velocimetry
Phase transitions
Phases
Research Article
Rotating cylinders
Rotation
Single-phase flow
Switching
Two phase flow
Velocity measurement
Vortices
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Zusammenfassung:Injection of bubbles into Taylor–Couette flow creates new flow modes which have not been experienced in single-phase flow conditions. An array of spiral vortices array is one such mode departing from the original toroidal Taylor vortices. The aim of the present study is to explore the mode transition of the two-phase flow using particle tracking velocimetry. Vertical-axis concentric cylinder with a rotating inner cylinder was used to measure the motion of both phases in the range 600 
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-018-2620-2