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

@inproceedings{Jonker:2012:10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.10,
author = {Jonker, HJJ and Van, Reeuwijk M and Sullivan, PP and Patton, E},
doi = {10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.10},
publisher = {International Centre for Heat and Mass Transfer},
title = {Interfacial layers in clear and cloudy atmospheric boundary layers},
url = {http://dx.doi.org/10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.10},
year = {2012}
}
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RIS format (EndNote, RefMan)

TY  - CPAPER
AB  - This paper reports on some recent advances in the understanding of the behaviour of atmosphericinterfacial layers. We focus on those interfaces where a turbulent layer is separated from a quiescentlayer by a relatively strong density gradient and study in particlar the entrainment rate, i.e. the rate withwhich the mixed layer penetrates into the quiescent layer by entraining fluid across the density interface.Making use of massively parallelized supercomputers, we conduct a large number of Direct NumericalSimulations (DNS) for a wide range of conditions and study the impact exerted on the entrainment rate bythe Reynolds number, the Prandtl/(Schmidt) number, and the strength of the density jump represented bythe Richardson number. We study two cases that are relevant for the atmosphere (/ocean), i.e. I] whereturbulence is generated by a surface buoyancy flux, and II] where turbulence is generated by shear (surfacemomentum flux). Of course with DNS one cannot simulate the high Reynolds numbers encountered in atmosphericcontexts, but present computer resources do allow us to faithfully simulate the classical laboratoryexperiments on these situations and even achieve Reynolds numbers more than ten times larger.
AU  - Jonker,HJJ
AU  - Van,Reeuwijk M
AU  - Sullivan,PP
AU  - Patton,E
DO  - 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.10
PB  - International Centre for Heat and Mass Transfer
PY  - 2012///
TI  - Interfacial layers in clear and cloudy atmospheric boundary layers
UR  - http://dx.doi.org/10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.10
ER  -
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