• J. Zhu, "Storage Stability and Phase Separation Behaviour of Polymer-Modified Bitumen : Characterization and Modelling," Doktorsavhandling Stockholm : KTH Royal Institute of Technology, TRITA-BKN. (kth.se)
  • The rheological characterization of coatings is usually done at a medium shear viscosity (MSV) 1-1000 s -1 , high shear viscosity (HSV) 103 to 106 s -1 and low shear viscosity (LSV) 0.001 to 1 s -1 (Figure 2). (tainstruments.com)
  • Measuring at broader ranges of shear deformation will add valuable information to pure kinetic tests because blood flow compels clots into a dynamic non-linear response that alters clot remodeling. (rheo.at)
  • Although shear thinning is generally not observed in pure liquids with low molecular mass or ideal solutions of small molecules like sucrose or sodium chloride, it is often observed in polymer solutions and molten polymers, as well as complex fluids and suspensions like ketchup, whipped cream, blood, paint, and nail polish. (wikipedia.org)
  • At high shear rates, polymers are entirely disentangled and the viscosity value of the system plateaus at η∞, or the infinite shear viscosity plateau. (wikipedia.org)
  • In rheology, shear thinning is the non-Newtonian behavior of fluids whose viscosity decreases under shear strain. (wikipedia.org)
  • At both sufficiently high and very low shear rates, viscosity of a polymer system is independent of the shear rate. (wikipedia.org)
  • At low shear rates, the shear is too low to be impeded by entanglements and the viscosity value of the system is η0, or the zero shear rate viscosity. (wikipedia.org)
  • The value of η∞ represents the lowest viscosity attainable and may be orders of magnitude lower than η0, depending on the degree of shear thinning. (wikipedia.org)
  • When the recovery of viscosity after disturbance is very rapid however, the observed behaviour is classic shear thinning or pseudoplasticity, because as soon as the shear is removed, the viscosity returns to normal. (wikipedia.org)
  • When it takes a measurable time for the viscosity to recover, thixotropic behaviour is observed. (wikipedia.org)
  • When describing the viscosity of liquids, however, it is therefore useful to distinguish shear-thinning (pseudoplastic) behaviour from thixotropic behaviour, where the viscosity at all shear rates is decreased for some duration after agitation: both of these effects can often be seen separately in the same liquid. (wikipedia.org)
  • The structure's total bending moment is represented in the form of the girder in tensile and arch compression, and the shear force is the vertical component of arch pressure [ 1 - 3 ]. (hindawi.com)
  • MD simulations of phase separation in binary liquids. (utwente.nl)
  • If the coarse fraction (e.g. greater than 84th percentile) is instead mobile due to increased discharge or because of their relative size, transport rates will increase and the behaviour of the mixtures converge to a common state, with morphology influenced by the material's mobility. (copernicus.org)
  • Because zeolites are inorganic, they have excellent thermal stability and chemical resistance making them an ideal material as membranes for the separation of gas mixtures in a variety of applications. (mrs.org)
  • The disadvantage is the instability of these systems (phase separation) and the strong pH dependence, which influences the ionization of the carboxyl groups of the latex surfactants. (tainstruments.com)
  • Shear thinning is the most common type of non-Newtonian behavior of fluids and is seen in many industrial and everyday applications. (wikipedia.org)
  • We demonstrate the unsuitability of the median grain size as a predictor of deposit behaviour at flows when the material is not equally mobile. (copernicus.org)
  • JAX-Fluids: A fully-differentiable high-order computational fluid dynamics solver for compressible two-phase flows. (tum.de)
  • Based on the seismic isolation design concept of functional separation, a seismic isolation system with bearings and braces combination for railway bridge was proposed. (hindawi.com)
  • Simulations of shear banding in paints. (utwente.nl)
  • It is understood that the interaction between sediment supply and discharge drives first-order behaviour of alluvial deposits. (copernicus.org)
  • Central to the behaviour of gravel bed rivers is this response to their environment as the flow does not regularly or greatly exceed the threshold of sediment mobility (e.g. (copernicus.org)
  • Bingham plastics require a critical shear stress to be exceeded in order to start flowing. (wikipedia.org)
  • This behaviour is usually seen in polymer/silica micro- and nanocomposites, where the formation of a silica network in the material provides a solid-like response at low shear stress. (wikipedia.org)
  • Unlike conventional polymeric membranes, porous silica membranes with higher permeance and selectivity are applicable at high wellhead pressures and do not suffer from CO 2 plasticization, representing an alternative for CO 2 /CH 4 separation. (mrs.org)
  • We processed ultramicroporous silica membranes with reproducible high permeances and high separation factors (3 x 10 -4 cm 3 (STP)/s/cm 2 /cmHg and 160, respectively) exceeding that of the best-known membranes for separation of a 50/50 (v/v) CO 2 /CH 4 gas mixture. (mrs.org)
  • Unfortunately, the most thermodynamically stable crystalline phase of TMDs, i.e., the 2H phase, is semiconducting, strongly limiting the charge/discharge potential achievable from these nanomaterials. (frontiersin.org)
  • The separation capacities of ceramic membranes basically depend on the nature of the selective oxide layers formed on the inner surfaces of tubular ceramic supports. (iyte.edu.tr)
  • Zeolite membranes are composed of inorganic microporous crystals that are attractive for gas separation because their pore sizes are uniform and typically less than 1 nm. (mrs.org)
  • Most commercial NF membranes available in the market are constructed using polyethersulphone (PES) material prepared through phase inversion methods (Zhao et al. (scielo.org.za)
  • Zhang and Ma have developed [ 25 ] a highly porous biodegradable polymer/apatite composite scaffold (95% porosity) through a thermally induced phase separation technique, which resulted in significant improvement in mechanical properties compared to polymer-only scaffold. (hindawi.com)
  • In this study, chitosan was synthesised from chitin and used to modify polyethersulphone (PES) membrane prepared by the phase inversion method. (scielo.org.za)
  • In colloid systems, phase separation during flow leads to shear thinning. (wikipedia.org)
  • In polymer systems such as polymer melts and solutions, shear thinning is caused by the disentanglement of polymer chains during flow. (wikipedia.org)
  • These diverse materials may exhibit time-dependent structures under transient or out-of-equilibrium conditions resulting from for example self-assembly processes, phase transitions or in response to external fields, such as flow. (lu.se)
  • Shear and extensional flow fields are ubiquitous in the manufacture, processing and use of these everyday materials and yet, typical experimental techniques, like small angle scattering, only provide information about the quiescent or time-averaged state. (lu.se)
  • This model, accounting for mass transfer in both the solid and the gas phases, is used to assess the influence of a number of operating parameters (temperature, pressure, and feed flow rates) for a tube-and-shell configuration, membrane separator. (mrs.org)
  • Good leveling and flow is obtained if τy is smaller than 0.25 Pa after high shear mixing. (tainstruments.com)
  • However, when undergoing agitation at a high enough rate, these highly anisotropic polymer chains start to disentangle and align along the direction of the shear force. (wikipedia.org)
  • Ceramic tubular membrane supports were prepared from alumina pastes, with solid loadings as high as 55 vol. % and water was used as the major liquid phase. (iyte.edu.tr)
  • Size selectivity controls the H 2 /CH 4 separation, however, because high selectivity is observed at 520 K. (mrs.org)
  • This strategy generates an enormous variety of three-dimensional (3D)morphologies that are not native to the bulk equilibrium BCP phase diagram. (nature.com)
  • Ketchup is a shear-thinning material, viscous when at rest, but flowing at speed when agitated by squeezing, shaking, or striking the bottle. (wikipedia.org)
  • Whipped cream is also a shear-thinning material. (wikipedia.org)
  • The silicoaluminophosphate analog of chabazite, SAPO-34, is an attractive membrane material for the separation of light gases, because the pore size of SAPO-34 crystals (0.4 to 0.45 nm) is close to the kinetic diameters of light gases. (mrs.org)
  • A significant challenge confronting NF membrane application is fouling, which is caused by suspended or dissolved organic and/or inorganic matter migrating from the liquid phase and forming deposits on the membrane surface, at the pore openings or within the membrane matrix (Aguiar et al. (scielo.org.za)
  • In most of such applications, a non-Newtonian complex liquid constitutes the continuous phase. (inderscience.com)
  • 2D transition metal dichalcogenides (TMDs) can be produced through convenient top-down liquid-phase exfoliation (LPE) methods and present capacitive behaviour that can be exploited for energy storage applications. (frontiersin.org)
  • F. Liu, "Experimental and Numerical Analyses of the Dynamic Behaviour of Hollow-Core Concrete Floors," Doktorsavhandling Stockholm : KTH Royal Institute of Technology, TRITA-ABE-DLT, 207, 2020. (kth.se)
  • Shear thinning and banding in resin systems. (utwente.nl)
  • An opponent of philosophical rationalists , Hume held that passions rather than reason govern human behaviour, famously proclaiming that " Reason is, and ought only to be the slave of the passions . (wikipedia.org)
  • Biodegradable metal scaffolds have showed interesting mechanical property that was close to that of human bone with tailored degradation behaviour. (hindawi.com)
  • This strategy generates an enormous variety of three-dimensional morphologies that are absent in the native block copolymer phase diagram. (nature.com)
  • We characterize these species for their capacitive behaviour in neutral pH, achieving maximum specific capacitance of 160 F/g at a current density of 1 A/g, demonstrating the attractiveness of similar nanohybrids for future use in low-cost, easy-to-make supercapacitor devices. (frontiersin.org)
  • Basic Vocational Knowledge âˆ' Electrical Machines (903.9 KB) This paper gives general information about electrical machines, synchronous machines, asynchronous motors, direct current machines, single phase alternating current motors and transformers. (idc-online.com)
  • The pastes were determined to have a shear thinning behaviour Piston extruder was used for shaping of tubular ceramic supports and the pressure varied in the 20-90 bar range with paste composition and rheology. (iyte.edu.tr)
  • Increasing temperature and pressure decreased the CO 2 /CH 4 and N 2 /CH 4 selectivities, but the H 2 /CH 4 selectivity was constant up to 470 K, and decreased to 3.4 at 520 K. The temperature dependence of the CO 2 /CH 4 and N 2 /CH 4 selectivities is consistent with separation by competitive adsorption. (mrs.org)
  • Separation performance was conducted on a dead-end filtration cell and metal ions were determined by atomic absorption spectroscopy (AAS), and ultraviolet and visible (UV-vis) spectrophotometry was used for sulphates. (scielo.org.za)
  • NPD is currently described as a pervasive pattern of grandiosity (in fantasy or behaviour), need for admiration, and lack of empathy, beginning by early adulthood and present in a variety of contexts (Campbell & Miller, 2011). (copecentre.org)
  • When modern wall paint is applied, the shear created by the brush or roller will allow it to thin and wet out the surface evenly. (wikipedia.org)