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Role of Transverse Displacements in the Formation of Subaqueous Barchan Dunes.
TLDR
Measurements of the growth of horns at the grain scale reveal the mechanism of horns formation revealed by the experiments contrasts with the general picture that barchan horns form from the advance of the lateral dune flanks due to the scaling of migration velocity with the inverse of dune size. Expand
Poultry Processing Line Speeds as Related to Bacteriologic Profile of Broiler Carcasses
Aerobic plate counts, Enterobacteriaceae, E. coli counts ; and Salmonella prevalence were determined on broiler carcasses obtained in a commercial slaughter establishment in Puerto Rico. Samples wereExpand
Birth of a subaqueous barchan dune.
TLDR
The formation of subaqueous barchan dunes from initially conical heaps in a rectangular channel is reported, showing the existence of the time scales 0.5t_{c} and 2.5T_{c] for the appearance and equilibrium of horns, respectively. Expand
Horns of subaqueous barchan dunes: A study at the grain scale.
TLDR
Focusing on moving grains whose initial positions were on the horns, it is shown that their residence time and traveled distance are related following a quasilinear relation, which provides new insights into the physical mechanisms underlying the shape of barchan dunes. Expand
Barchan dunes on bidispersed granular beds
Barchans are dunes of crescentic shape found on Earth, Mars and other celestial bodies, growing usually on polydispersed granular beds. In this Letter, we investigate experimentally the growth of s...
The growth and equilibrium of barchan dunes
Growth of barchan dunes of bidispersed granular mixtures
Barchans are dunes of crescentic shape found on Earth, Mars and other celestial bodies, growing usually on polydispersed granular beds. In this Letter, we investigate experimentally the growth of s...
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