Investigation of liquid film behavior at the onset of flooding during adiabatic counter-current air–water two-phase flow in an inclined pipe
TL;DR: In this article, the authors investigated the liquid film characteristics at the onset of flooding in an inclined pipe (16 mm i.d. and 2.2 m in length) using a constant electric current method and visual observation.
About: This article is published in Nuclear Engineering and Design.The article was published on 2005-10-01. It has received 33 citations till now. The article focuses on the topics: Pipe flow & Two-phase flow.
Citations
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TL;DR: A novel attempt to capture, identify and predict the individual flow regimes for different combinations of air and water superficial velocities based on some of its objective descriptions, with GA-MLRBFNN-EC being the best to predict flow regimes successfully.
62 citations
TL;DR: In this article, the effects of fluid properties on the wave velocity and frequency of gas-liquid annular two-phase flow were investigated in 26 and 16-mm inner pipe diameters.
52 citations
TL;DR: In this paper, an experimental investigation on the air/water counter-current two-phase flow in a horizontal rectangular channel connected to an inclined riser has been conducted, where a high-speed camera in the bended region of the hot leg, delivering a detailed view of the stratified interface as well as of dispersed structures like bubbles and droplets.
50 citations
TL;DR: In this paper, the effects of pipe inclination, pipe length, pipe diameter and surface tension of the working liquid on the onset of flooding of gas-liquid adiabatic counter-current two-phase flow in inclined pipes were investigated.
36 citations
TL;DR: An experimental investigation has been carried out for vertical counter-current two-phase flow of air and water, and then an attempt has been made to identify and classify the individual flow regime pattern.
34 citations
References
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TL;DR: In this article, a theoretical equation was derived by dealing with the instability problem of such waves and an experimental correlation was worked out on the basis of the derived theoretical equation and experimental data.
93 citations
TL;DR: In this article, an improved flooding correlation is proposed which accurately correlates the data of three previous investigations, and the results clearly show that some flooding data had been misinterpreted in the past.
76 citations
TL;DR: In this paper, a constant electric current method (CECM) is proposed for conductance measurement. But the performance of the CECM is limited due to the fact that the output from the sensor electrode is independent of the location of gas phase, and the sensitivity of detecting the change in the hold-up is higher in the case of thinner film thickness.
74 citations
TL;DR: In this paper, experimental results were presented on the flooding gas velocity in tubes over a wide range of parameters, including tube diameter, tube length, liquid flow rate, liquid viscosity and surface tension.
72 citations