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SUMMARY:On the energetics of turbulent mixing in stratified fluids - Remi 
 Tailleux\, Meteorology\, University of Reading
DTSTART:20080925T150000Z
DTEND:20080925T160000Z
UID:TALK13777@talks.cam.ac.uk
CONTACT:Dr C. P.  Caulfield
DESCRIPTION:In this work\, I will present a generalization of the availabl
 e potential energy (APE) framework developed by Winters et al. (1995) to t
 he case of a fully compressible fluid with a nonlinear equation of state (
 eos)\, which relies on decomposing the gravitational potential energy (GPE
 ) and internal energy (IE) into two and three subcomponents respectively. 
 The new framework has several implications for our understanding of the en
 ergetics of turbulent mixing\, most notably regarding the roles of the non
 linearities of the eos and of the relaxation toward thermodynamic equilibr
 ium. It also suggests new directions for improving current parameterizatio
 ns of turbulent diapycnal mixing that will be discussed. \n\n
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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