Imperial College London
Portrait Picture

Professor Maarten van Reeuwijk

Faculty of Engineering, Department of Civil and Environmental Engineering

Professor of Urban Fluid Mechanics
 
 
 
//

Contact

 

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

 
 
//

Assistant

 

Miss Rebecca Naessens +44 (0)20 7594 5990

 
//

Location

 

331Skempton BuildingSouth Kensington Campus

//

Summary

 

Publications

Citation

BibTex format

@article{Cimarelli:2022:10.1063/5.0085091,
author = {Cimarelli, A and Fregni, A and Mollicone, JP and van, Reeuwijk M and De, Angelis E},
doi = {10.1063/5.0085091},
journal = {Physics of Fluids},
title = {Structure of turbulence in temporal planar jets},
url = {http://dx.doi.org/10.1063/5.0085091},
volume = {34},
year = {2022}
}
Download

RIS format (EndNote, RefMan)

TY  - JOUR
AB  - A detailed analysis of the structure of turbulence in a temporal planar turbulent jet is reported. Instantaneous snapshots of the flow andthree-dimensional spatial correlation functions are considered. It is found that the flow is characterized by large-scale spanwise vorticeswhose motion is felt in the entire flow field. Superimposed to this large-scale motion, a hierarchy of turbulent structures is present. The mostcoherent ones take the form of quasi-streamwise vortices and high and low streamwise velocity streaks. The topology of these interactingstructures is analyzed by quantitatively addressing their shape and size in the different flow regions. Such information is recognized to be relevant for a structural description of the otherwise disorganized motion in turbulent free-shear flows and can be used for the assessment ofmodels based on coherent structure assumptions. Finally, the resulting scenario provides a phenomenological description of the elementaryprocesses at the basis of turbulence in free-shear flows.
AU  - Cimarelli,A
AU  - Fregni,A
AU  - Mollicone,JP
AU  - van,Reeuwijk M
AU  - De,Angelis E
DO  - 10.1063/5.0085091
PY  - 2022///
SN  - 1070-6631
TI  - Structure of turbulence in temporal planar jets
T2  - Physics of Fluids
UR  - http://dx.doi.org/10.1063/5.0085091
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000789170300004&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://aip.scitation.org/doi/10.1063/5.0085091
UR  - http://hdl.handle.net/10044/1/98299
VL  - 34
ER  -
Download