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SUMMARY:Every Man's Fluid Mechanics - Dr Ian Wilson\, Department of Chemic
 al Engineering &amp\; Biotechnology\, Cambridge  
DTSTART:20141119T140000Z
DTEND:20141119T150000Z
UID:TALK54974@talks.cam.ac.uk
CONTACT:Vanessa Blake
DESCRIPTION:Jets of liquid are widely used to distribute cleaning solution
  and promote removal of soiling layers from the walls of reactor vessels\,
  storage tanks and even military vehicles. Whereas the flow patterns creat
 ed by liquid jets impinging normally downwards on flat plates has been stu
 died from before the speaker was born\, little attention has been paid to 
 the case of liquid jets impinging on vertical or inclined walls\, and desp
 ite the fact that this is familiar to at least half the population as the 
 flow in a urinal.\n\nThis seminar will describe how a robust and accurate 
 model describing these flow patterns has been developed based on a relativ
 ely simple momentum balance. The influence of surfactants and the nature o
 f the wall have also been studied. The tendency of the draining film to sp
 lit or form a falling sheet can also be predicted. This information is the
 n used to construct quantitative models for the rate of cleaning of soft s
 olid layers from the wall\, not only when the jet is static but also when 
 it is moving.
LOCATION:Lecture Theatre 1\, Department of Chemical Engineering  and Biote
 chnology\, New Museums Site
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