New evolution equations for turbulent boundary layers in arbitrary pressure gradients
AuthorPerry, A. E.; Marusic, I.; Jones, M. B.
PublisherIndian Academy of Sciences
AffiliationEngineering: Department of Mechanical and Manufacturing Engineering
Document TypeJournal (Paginated)
CitationsPerry, A. E., Marusic, I., & Jones, M. B. (1998). New evolution equations for turbulent boundary layers in arbitrary pressure gradients. Sadhana, 23(5 & 6), 443-457.
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A new approach to the classical closure problem for turbulent boundary layers is presented. This involves using the well-known mean-flow scaling laws such as Prandtl's law of the wall and the law of the wake of Coles together with the mean continuity and the mean momentum differential and integral equations. The important parameters governing the flow in the general non-equilibrium case are identified and are used for establishing a framework for closure. Initially, closure is done here empirically from the data but the framework is most suitable for applying the attached eddy hypothesis in future work. How this might be done is indicated here.
Keywordsclassical closure problem; turbulent boundary layers; attached eddy hypothesis; arbitrary pressure gradients
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