Decoding the complexity of turbulence at its origin

 Coordinatore Institute of Science and Technology Austria 

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 Nazionalità Coordinatore Austria [AT]
 Totale costo 1˙474˙000 €
 EC contributo 1˙474˙000 €
 Programma FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call ERC-2012-StG_20111012
 Funding Scheme ERC-SG
 Anno di inizio 2013
 Periodo (anno-mese-giorno) 2013-01-01   -   2017-12-31


# participant  country  role  EC contrib. [€] 

 Organization address address: Hofgartenstrasse 8
postcode: 80539

contact info
Titolo: Prof.
Nome: Eberhard
Cognome: Bodenschatz
Email: send email
Telefono: 495515000000

DE (MUENCHEN) beneficiary 78˙109.12
2    Institute of Science and Technology Austria

 Organization address address: Am Campus 1
city: Klosterneuburg
postcode: 3400

contact info
Titolo: Dr.
Nome: Björn
Cognome: Hof
Email: send email
Telefono: +43 22439000 5801
Fax: +43 2243 9000 2000

AT (Klosterneuburg) hostInstitution 1˙395˙890.90
3    Institute of Science and Technology Austria

 Organization address address: Am Campus 1
city: Klosterneuburg
postcode: 3400

contact info
Titolo: Ms.
Nome: Carla
Cognome: Mazuheli-Chibidziura
Email: send email
Telefono: 43224400000000
Fax: +432243 9000 2000

AT (Klosterneuburg) hostInstitution 1˙395˙890.90


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

nature    time    onset    critical    shear    insights    transport    turbulent    pipe    flows    transition    turbulence    flow    first    links    canonical   

 Obiettivo del progetto (Objective)

'Turbulence is the probably most complex and at the same time most relevant example of spatio-temporal disorder in nature. The transport of heat and mass in stars, the formation of planets, as well as flows in the earth atmosphere, oceans or around vehicles are all governed by turbulence. Despite its ubiquity our insights into this complex phenomenon are very limited. In contrast to many studies which are concerned with turbulent flows at high parameter values I will here use a different approach and investigate turbulence when it first arises and where it is the least complex. I will focus on canonical shear flows, comprising pipe, Couette and channel flows. I have recently determined the critical point for transition in pipe flow, which had posed a riddle for more than a century and inhibited further progress towards a fundamental understanding of turbulence close to onset. At first I will clarify if this transition generally applies to all canonical shear flows. Next I will explore links to non-equilibrium phase transitions in other areas of science by determining the critical exponents and the universality class of the onset of shear flow turbulence. I will investigate and identify further bifurcations the turbulent state experiences as it develops from a spatially intermittent to a space filling state. This will for the first time provide a complete picture of the onset of turbulence and establish links to turbulence studies at higher Reynolds numbers. Investigating the mechanisms leading to fully turbulent flow will not only give valuable insights into the nature of fluid turbulence but may also lead to new ways to control it. Finally I will exploit these insights and devise methods that completely relaminarize turbulent flows. Subduing turbulence is of great practical importance since frictional losses in turbulence are much larger than in the laminar state and hence relaminarization leads to substantial energy savings in transport problems.'

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