Στενό κανάλι


Test section length: 0.60 m
Gap width: 5 & 10 mm
Test section material: Plexiglass
Pressure: Atmospheric
Temperature: Ambient
Fluids: air and various liquids

 

 

 


details
Applications:
- Study of counter-current air/liquid flow characteristics:
       pressure drop
       phase velocity profiles
       liquid film characteristics - liquid holdup
       local wall shear stress
       flooding velocities
- Study of free falling film characteristics
- Flow visualisation experiments
Instrumentation:
- High speed video camera for flow visualisation
- LDA
for local velocity measurements
- Differential pressure transducers
- Electrochemical probes for wall shear stress measurements
- Conductivity probes for film thickness measurements


References
Drosos, EIP, Paras, S.V. and Karabelas, A.J. 2006 Counter-current gas-liquid flow in vertical narrow channels - Liquid film characteristics and flooding phenomena. Int. J. Multiphase Flow, 32,1,51-81
Drosos, EIP, Paras, S.V. & Karabelas, A.J. 2004 Characteristics of developing free falling films at intermediate Reynolds and high Kapitsa numbers. Int. J. Multiphase Flow 30, 7-8, 853-876.
Drosos, E.I.P., Paras, S.V. and Karabelas, A.J. 2003 An experimental study of liquid films flowing down a vertical plate for low Reynolds numbers: effect of surface tension 4th European Congress of Chemical Engineering, Granada.
Drosos, E.I.P., Paras, S.V. and Karabelas, A.J. 2003 Counter-current gas-liquid flow in vertical narrow channels. Film characteristics and flooding phenomena, 3rd Chemical Engineering Conference for Collaborative Research in Eastern Mediterranean, Halkidiki.
Lioumbas, I.S., Mouza, A.A. and Paras, S.V. 2002 Local velocities inside the gas phase in counter current two-phase flow in a narrow vertical channel, Chemical Engineering Research & Design 80, 6, 667-673.
Vlachos, N.A., Paras, S.V., Mouza A.A and Karabelas, A.J. 2001 Visual Observations of flooding in narrow rectangular channels, Int. J. Multiphase Flow, 27, 8, 1415-1430.
Paras, S.V., Drosos, E.I.P,.Karabelas, A.J and Chopard, F. 2001 Counter-Current Gas/Liquid Flow Through Channels With Corrugated Walls-Visual Observations Of Liquid Distribution And Flooding, World Conference on Experimental Heat Transfer, Fluid Mechanics & Thermodynamics, Thessaloniki, September 24-28.