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- W3136131797 abstract "Abstract : Three aspects of turbulent structure in shear flows were investigated theoretically. Both analytical and computational strategies were employed to extract new information on: 1) advection velocities of large-scale structure; 2) the velocity vector angle characteristics of turbulent fluctuations; and 3) the 'stability' characteristics of the mean turbulent velocity profile. With regard to topic1, the study of the propagation of a bulge in wall-bounded shear flow has exposed three characteristic propagation speeds. In (temporally and/or spatially) variable pressure flows, a unique inverse approach to the problem has exposed the critical value for the shape factor (H) of 2.0. This result impacts not only turbulent structure dynamics but flowfield separation as well. The work on topic 2, has served to clarify the importance of angular structure with respect to the interpretations of turbulence physics, the modeling thereof and advantages of those variables in numerical simulation. Finally, the mean turbulent velocity profile was found to support unstable modes of oscillation for the large-scale structure if the unresolved small scale processes are modeled appropriately. Keywords: Turbulent Viscous flow." @default.
- W3136131797 created "2021-03-29" @default.
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- W3136131797 date "1986-05-01" @default.
- W3136131797 modified "2023-09-23" @default.
- W3136131797 title "Coherent structure-reflective turbulent viscous flow modeling" @default.
- W3136131797 hasPublicationYear "1986" @default.
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