Imperial College London
Portrait Picture

Professor Maarten van Reeuwijk

Faculty of Engineering, Department of Civil and Environmental Engineering

Professor of Urban Fluid Mechanics
 
 
 
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Contact

 

+44 (0)20 7594 6059m.vanreeuwijk Website CV

 
 
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Assistant

 

Miss Rebecca Naessens +44 (0)20 7594 5990

 
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Location

 

331Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Verso:2019:10.1016/j.ijmultiphaseflow.2019.103109,
author = {Verso, L and van, Reeuwijk M and Liberzon, A},
doi = {10.1016/j.ijmultiphaseflow.2019.103109},
journal = {International Journal of Multiphase Flow},
pages = {1--13},
title = {Transient stratification force on particles crossing a density interface},
url = {http://dx.doi.org/10.1016/j.ijmultiphaseflow.2019.103109},
volume = {121},
year = {2019}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We perform a series of experiments to measure Lagrangian trajectories of settling and rising particles as they traverse a density interface of thickness h using an index-matched water-salt-ethanol solution. The experiments confirm the substantial deceleration that particles experience as a result of the additional force exerted on the particle due to the sudden change in density. This stratification force is calculated from the measurement data for all particle trajectories. In absence of suitable parameterisations in the literature, a simple phenomenological model is developed which relies on parameterisations of the effective wake volume and recovery time scale. The model accurately predicts the particle trajectories obtained in our experiments and those of Srdi-Mitrovi et al. (1999). Furthermore, the model demonstrates that the problem depends on four key parameters, namely the entrance Reynolds number Re1, entrance Froude number Fr, particle to fluid density ratio ρp/ρf, and relative interface thickness h/a.
AU  - Verso,L
AU  - van,Reeuwijk M
AU  - Liberzon,A
DO  - 10.1016/j.ijmultiphaseflow.2019.103109
EP  - 13
PY  - 2019///
SN  - 0301-9322
SP  - 1
TI  - Transient stratification force on particles crossing a density interface
T2  - International Journal of Multiphase Flow
UR  - http://dx.doi.org/10.1016/j.ijmultiphaseflow.2019.103109
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000497258300001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://www.sciencedirect.com/science/article/pii/S0301932219302162?via%3Dihub
UR  - http://hdl.handle.net/10044/1/83031
VL  - 121
ER  -
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