منابع مشابه
Drop formation in shear-thickening granular suspensions.
We study droplet formation in granular suspensions by systematically varying the volume fractions (φ) and particle diameters (d). For suspensions with water as the suspending liquid, we find three different regimes. For dilute suspensions (φ≤45%), drop formation follows the predictions for inertial breakup and exhibits identical dynamics to that of pure water. The breakup is strongly asymmetric...
متن کاملSpreading Dynamics of Shear-Thinning Fluid Drop Impact on Hydrophobic Substrate
Droplet impact dynamics of the shear-thinning fluids on the hydrophobic surfaces have been experimentally studied and compared to the base fluid, water. In this work, hydrogels are prepared by lading water with Polyacrylamide polymer at three loading rates 1, 2, and 3 wt. %. The resultant hydrogel phase behaves as a shear thinning fluid with altered rheophysical properties. The presence of poly...
متن کاملShear viscosity and shear thinning in two-dimensional Yukawa liquids.
A two-dimensional Yukawa liquid is studied using two different nonequilibrium molecular dynamics simulation methods. Shear viscosity values in the limit of small shear rates are reported for a wide range of Coulomb coupling parameter and screening lengths. At high shear rates it is demonstrated that this liquid exhibits shear thinning; i.e., the viscosity eta diminishes with increasing shear ra...
متن کاملContact-line motion of shear-thinning liquids
It is demonstrated that, for the slow advance of a viscous liquid onto a previously dry substrate, the well-known moving contact line paradox is alleviated for liquids exhibiting power-law shear-thinning behavior. In contrast to previous models that allow contact-line motion, it is no longer necessary to abandon the no-slip condition at the substrate in the vicinity of’the contact point. While ...
متن کاملTurbulent pipe flow of shear-thinning fluids
Direct numerical simulation of the weakly turbulent flow of non-Newtonian fluids is undertaken for two different generalised Newtonian rheology models using a spectral element-Fourier method. Results for a power law (shear-thinning) rheology agree well with experimentally determined logarithmic layer correlations and with other previously published experimental work. As the flow index becomes s...
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ژورنال
عنوان ژورنال: ANZIAM Journal
سال: 2004
ISSN: 1445-8810
DOI: 10.21914/anziamj.v45i0.897