Tomás Alfredo Trewhela Palacios

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In the spring of 1818, ice avalanches from the Gietro Glacier created an ice dam, which in turn formed a glacial lake in the Drance Valley (Canton of Valais, Switzerland). Today, its maximum volume is estimated to have been 25x10(6) m(3). Cantonal authorit ...

Dense granular flows -debris or pyroclastic flows, avalanches, granular flows in heaps, silos or rotating drums-are ubiquitous to many natural and industrial processes. Their grain composition is often polydisperse, with particles differing in shape, size ...

This paper shows how a conveyor belt setup can be used to study the dynamics of stationary granular flows. To visualise the flow within the granular bulk and, in particular, determine its composition and the velocity field, we used the refractive index mat ...

Context. Extended main sequence turn-offs are features commonly found in the colour-magnitude diagrams of young and intermediate age (less than about 2 Gyr) massive star clusters, where the main sequence turn-off is broader than can be explained by photome ...

We studied the segregation of single large intruder particles in monodisperse granular materials. Experiments were carried out in a two-dimensional shear cell using different intruder and media diameters, whose quotient defined a size ratio R that ranged f ...

Tomás Alfredo Trewhela Palacios

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Hydraulic Reconstruction of the 1818 Gietro Glacial Lake Outburst Flood

Particle-size segregation and rheology coupling in dense granular flows

A conveyor belt experimental setup to study the internal dynamics of granular avalanches

Disappearance of the extended main sequence turn-off in intermediate age clusters as a consequence of magnetic braking

Large particle segregation in two-dimensional sheared granular flows