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      Mass and momentum exchange in compound open-channel flows in Cambridge

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      March 8, 2012

      Thursday   4:00 PM - 5:00 PM

      77 Massachusetts Avenue
      Cambridge, Massachusetts 02139

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      Mass and momentum exchange in compound open-channel flows

      Speaker: Thorsten Stoesser, School of Civil and Environmental Engineering, Georgia Institute of Technology

      Time: 4:00p–5:00p

      Location: 48-316

      Environmental Fluid Mechanics/Hydrology
      Join us for a weekly series of efm/hydrology topics by MIT faculty and students, as well as guest lecturers from around the globe.

      Compound open-channels consist of a main channel that carries the bank-full, more frequent discharges and a floodplain that is inundated during flood flows. This channel morphology is ubiquitous in the natural and man-made environment and has recently found renewed attention among hydraulic engineers due to an increase in flood extent and frequency and the concomitant flood damages. As a result of the floodplain flow being substantially slower than the one in the main channel, a shear layer forms at the interface, triggering turbulent and advective exchange of mass and momentum between deep and shallow parts of the compound channel. Large Eddy Simulations (LES) of turbulent flow and tracer transport in an asymmetric compound open-channel with a shallow floodplain depth were carried out for different floodplain roughness conditions with the goal to provide a fundamental understanding of the relevant physical processes. Besides the provision of a thorough statistical description of the flow, mass and momentum exchange at the interface between deep and shallow regions of the flow are quantified.

      Web site:

      Open to: the general public

      Cost: free

      Sponsor(s): Civil and Environmental Engineering

      For more information, contact:
      Roberta Pizzinato

      This event is categorized as: science/engineering

      Cost: free

      Categories: University & Alumni | Science | Technology

      Event details may change at any time, always check with the event organizer when planning to attend this event or purchase tickets.
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