Document Detail


Anisotropy of acceleration in turbulent flows.
MedLine Citation:
PMID:  15324209     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Third-order Lagrangian stochastic models for the evolution of fluid-particle hyperaccelerations (material derivatives of Lagrangian accelerations) are shown to account naturally for the anisotropy of acceleration variances in low-Reynolds-number turbulent flows and for their dependency upon the energy-containing scales of motion. Model predictions are shown to be in close accord with the results of direct numerical simulations for a turbulent channel flow and with previously acquired simulation data for a homogeneous turbulent shear flow.
Authors:
A M Reynolds; K Yeo; C Lee
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Publication Detail:
Type:  Journal Article     Date:  2004-07-09
Journal Detail:
Title:  Physical review. E, Statistical, nonlinear, and soft matter physics     Volume:  70     ISSN:  1539-3755     ISO Abbreviation:  Phys Rev E Stat Nonlin Soft Matter Phys     Publication Date:  2004  
Date Detail:
Created Date:  2004-08-24     Completed Date:  2004-10-07     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101136452     Medline TA:  Phys Rev E Stat Nonlin Soft Matter Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  017302     Citation Subset:  -    
Affiliation:
Silsoe Research Institute, Wrest Park, Silsoe, Bedford, MK45 4HS, United Kingdom. andy.reynolds@bbsrc.ac.uk
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