Titlebook: IUTAM Symposium on Geometry and Statistics of Turbulence; Proceedings of the I Tsutomu Kambe (Chairman),Tohru Nakano,Toshio Miyau Conferenc

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Bulk Dissipation in Shear Layers with Suctiony hope to be able to bound even when we cannot compute them exactly. In this report we describe some of the ways of doing this within the context of a flow in a shear layer with injection and suction at the boundaries. We obtain bounds on the rate of viscous energy dissipation, valid for turbulent f

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Trying a metric on atmospheric flows,.) ≡ (density, temperature, velocity) as coordinates. Such a lack of geometric structures imposes many restrictions on the kind of computations that one can perform: it is impossible to talk of “the distance” between two states of the fluid, i.e., between two positions with coordinates (.., ..,.) a

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On the Analogy between Two-Dimensional Vorticesand Stellar Systemspiter’s Great Red Spot, a huge vortex persisting for more than three centuries in a turbulent shear between two zonal jets, is probably related to this general phenomenon. Similarly, it is striking to observe that galaxies themselves follow a kind of organization revealed in the Hubble classificatio

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Coherent Fine Scale Eddies in Turbulent Shear Flows and It’s Relation to Anisotropylent channel flows. These turbulent flows include tube-like fine scale eddies which are commonly observed in homogeneous isotropic turbulence (Kerr, 1985; She .., 1990; Vincent and Meneguzzi, 1991; Jimenez .., 1993; Tanahashi ., 1996; Tanahashi .., 1997a). In turbulent mixing layers, large scale str

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Characteristic Time Scales and Energy Transfer in MHD Turbulencedomized coherent magnetic field into the shell model. It leads to .. spectrum and is consistent with Iroshnikov-Kraichnan picture of MHD turbulence. The PDF’s of shell models are compared with those of wavelet coefficients obtained from DNS data.

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Presbyopia

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Matrimony

Probability Density Function of Longitudinal Velocity Incrementtional forms of the necessary averages are derived and compared with the results of simulation. The derived PDF is categorically shown; the Gaussian for small amplitudes, the stretched exponential for intermediate ones and the exponential for large ones. The comparison with the PDF obtained in high