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SUMMARY:Unsteady hydrodynamics in 3D - Amanda Smyth (University of Cambrid
 ge)
DTSTART:20191025T120000Z
DTEND:20191025T130000Z
UID:TALK132370@talks.cam.ac.uk
CONTACT:Connor O'Pray
DESCRIPTION:Tidal power has huge potential as a source of predictable rene
 wable energy in the UK\, but the harsh operating environment increases the
  costs of manufacture and maintenance\, and reduces the reliability of the
  \nresource. This talk will focus on the damage to tidal turbines caused b
 y surface waves and ocean turbulence.\n\nA number of recent studies have s
 hown that the low-order models used to predict turbine load response to tu
 rbulence and waves are not capable of reproducing experimental results\, e
 ven for very simple unsteady forcing. In this talk I will show that the ca
 use of this discrepancy is that the \nmodels are based on 2D strip-theory\
 , and also show how 3D effects impact the unsteady hydrodynamics. From thi
 s we can find the limits of applicability of 2D strip-theory models on 3D 
 blade geometries. We will also look at the consequences of 3D unsteady flo
 w effects on turbine \nmodelling and fatigue life.\n
LOCATION:LR5\, Baker Building\, CUED.
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