Titlebook: Aeolian Grain Transport 1; Mechanics Ole E. Barndorff-Nielsen,Brian B. Willetts Conference proceedings 1991 Springer-Verlag Wien 1991 Sedim

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Prospects of the further development of EIS the equation could be an important tool in validating wind tunnel data. Transport rate data from the Aarhus wind tunnel differ significantly from the Lettau and Bagnold equations, but agree well with predictions from a new analytical model.

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Graduated

Two- and three dimensional evolution of granular avalanche flow — theory and experiments revisitedeen obtained with this theory in chute flows along straight and curved beds and unconfined motions of a finite mass of a cohesionsless granular material down plane and curved beds. The results are compared with experimental findings from extensive laboratory tests, and inferences are drawn that derive from such comparisons.

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Entwicklungsperspektiven des Controllingck mechanism) is treated in the context of recent modelling of the self-regulating saltation process. The link between saltation and suspension is discussed briefly. We conclude by outlining future research directions that must involve a greater symbiosis of experimentalists and theoreticians, working both at the grain and the bedform scales.

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Controlling in mittelst?ndischen Unternehmen attains a steady state, characterised by a steady wind and a stationary grain population, after roughly 2 seconds. The response of the total mass flux to shear velocity is approximately cubic. Finally, potential uses of the model in studying ripple formation and dust emission are discussed.

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