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DTSTART:20180325T030000
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DTSTART:20171029T020000
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DTSTAMP:20260406T022542Z
UID:5a7b089494c25136088447@ist.ac.at
DTSTART:20180319T110000
DTEND:20180319T120000
DESCRIPTION:Speaker: Christina Vanderwel\nhosted by Björn Hof\nAbstract: L
 arge-scale secondary flows can sometimes appear in turbulent boundary laye
 rs formed over rough surfaces\, creating low- and high-momentum pathways a
 long the surface. The presence of these flows violates the assumption of h
 omogeneity which is at the basis of traditional rough-wall models\, and so
  it is critical to understand when and how these flows manifest. We invest
 igate experimentally the dependence of these secondary flows on surface/fl
 ow conditions\, using Particle Image Velocimetry\, hot-wire\, and oil-film
  measurements in a wind tunnel.Bio: Dr Christina Vanderwel is a Lecturer i
 n the Aerodynamics and Flight Mechanics Research Group at the University o
 f Southampton since 2015. She specialises in experimental fluid mechanics\
 , turbulence\, and dispersion. In particular\, her research involves condu
 cting laboratory experiments using laser-based diagnostics to study the me
 chanisms of transport of turbulent flows. She completed her PhD in Mechani
 cal Engineering in 2014 at the University of Ottawa\, Canada
LOCATION:Big Seminar room Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:sdanzing@ist.ac.at
SUMMARY:Christina Vanderwel: Secondary flows in turbulent boundary layers o
 ver heterogeneous roughness
URL:https://talks-calendar.ista.ac.at/events/1183
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