The settling velocity of sediment is one the essential parameters in studying freshwater reservoirs and transporting flowing water, mainly when suspension dominant process. Hence, their quantitative measurements are crucial. An error during prediction may be increased by a factor three or more estimation suspended load transport water. Despite its significance, obtaining real value situ practic...

This study presents morphological data and estimates of the settling velocity drag coefficient sea stars (Asterias rubens) caught in Limfjord, Denmark. A geometric model describing star is presented thickness arm width are determined as linear functions length. The volume mass well predicted by agreement with experimental measurements. mean density to be 1095 kg/m3, estimated 2.3 shown vary squ...

relates stream length (L, mi) to drainage-basin area (A, mi). In CG-6 (“Solving Problems,” May 1999), Stokes' Law was used to find the travel time for a dead foraminifer to settle to the abyssal plain. This equation, which relates settling velocity (v) of a small, spherical particle to the densities of the settling particle and fluid (ρs and ρf, respectively), the viscosity of the fluid (μ), an...

We investigate the effect of permeant flow on the sedimentation of porous fractalaggregates in water. Our theoretical analysis gives explicit calculations on the scaling behaviours of settling velocities, taking into account the fractality through a proper permeability for fractal aggregates. The calculated results for the scaling behaviours of settling velocities fit remarkably well with exper...

Experiments were conducted to measure the dendrite tip growth velocities of equiaxed dendritic crystals settling in an undercooled succinonitrile (SCN)-acetone melt. The tip velocities were measured as a function of the settling speed of the crystal and the Eulerian angle between the dendrite arms and the flow direction relative to the crystal. The average of the measured tip growth velocities ...

It is a well known fact that stirring keeps particles suspended in fluids. This is apparent, for instance, when shaking medicine flasks, when agitating tea deposits in a mug, or when heavy winds fill the air with dust particles. The commonplace nature of such observations makes it easy to accept that this feature will apply to any natural phenomenon as long as the flow is turbulent enough. This...