Rig A: Length: 16 m Inner diameter: 50.8 mm Horizontal Material: Plexiglas, SS Pressure: Atmospheric Temperature: Ambient Fluids: air and various liquids Flow rates (superficial velocities): Gas: 20 m/s to 80 m/s Water: 0.02 m/s to 0.2 m/s |
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Rig B: Length: 8 m Inner diameter: 24 mm Inclination: 0 to +15 degrees from horizontal position Material: Plexiglas Pressure: Atmospheric Temperature: Ambient Fluids: air and various liquids Flow rates (superficial velocities): Gas: 10 m/s to 30 m/s Water: 0.01 m/s to 0.1 m/s |
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Applications: - Study of cocurrent air/liquid flow characteristics: pressure drop liquid film characteristics - liquid holdup velocity profile local wall shear stress liquid entrainment - Study of free falling film characteristics - Flow visualisation experiments |
Instrumentation: - Differential pressure transducers - Conductivity probes for film thickness measurements - Electrochemical probes for wall shear stress measurements - Laser Doppler Anemometry for local velocity measurements - High speed video camera for flow visualisation |