Imperial College London

ProfessorChristosMarkides

Faculty of EngineeringDepartment of Chemical Engineering

Professor of Clean Energy Technologies
 
 
 
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Contact

 

+44 (0)20 7594 1601c.markides Website

 
 
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Location

 

404ACE ExtensionSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@inproceedings{Wright:2018,
author = {Wright, SF and Charogiannis, A and Voulgaropoulos, V and Matar, OK and Markides, CN},
title = {Laser-based measurements of stratified liquid-liquid pipe flows interacting with jets in cross-flow},
url = {http://hdl.handle.net/10044/1/63177},
year = {2018}
}

RIS format (EndNote, RefMan)

TY  - CPAPER
AB - At low velocities, horizontal liquid-liquid flows uder go gravitation ally-induced stratification, which in many practical applications complicatessignificantly the direct measurement of the average properties of theflow. The extent of flow stratification, however, can be limited through in line mixing leading to the formation of liquid-liquid dispersions withmore homogenous properties. In this work, we focus on the use of‘active’ mixing methods using jets in cross flows (JICFs). In this paper,a dedicated experimental flow facility for the investigation of such flowsis presented, along with the accompanying laser-based optical measurement techniques and associated algorithms that have beendeveloped for this investigation. The facility allows simultaneous,space-and time-resolved phase and velocity information to be generatedvia plan ar laser-induced fluorescence (PLIF) and particle velocimetry(PIV/ PTV), with stereo-PIV used to provide information on the third (out-of-plane) velocity component. Preliminary experimental results arepresented which demonstrate the capabilities of this arrangementfor optically examining stratified liquid-liquid flows interacting withJICFs, leading to new insights into these complex flows. The key resultsinclude phenomena of jets interacting with the liquid-liquid inter face,recirculation zones that lead to further mixing, the presence of complexcompound droplets, droplet size distributions, and water concentrationprofiles.
AU - Wright,SF
AU - Charogiannis,A
AU - Voulgaropoulos,V
AU - Matar,OK
AU - Markides,CN
PY - 2018///
TI - Laser-based measurements of stratified liquid-liquid pipe flows interacting with jets in cross-flow
UR - http://hdl.handle.net/10044/1/63177
ER -