Tuminello WH, Cudré-Maroux N (1991) Determining molecular weight distributions from viscosity versus shear rate curves. Polym Eng Sci 31:1496–1507W.H. Tuminello, N. Cudre-Mauroux, Determining molecular weight distribu- tions from viscosity versus shear rate flow curves, Polym. Eng. Sci. ...
Shear thinningViscosity versus shear rate curves have been measured up to 107 s1 for a range of VM solutions and fully formulated oils of known composition at several temperatures. This shows large differences in the shear thinning tendencies of different engine oil VMs. It has been found that ...
Here, the specific gravity increases significantly, which results in a measured increase of 1.5 percent in kinematic viscosity, versus a 10 percent increase as measured with an absolute viscometer. This is a significant difference that could lead the analyst to identify the situation as nonreportable...
Master curves of viscosity versus shear rate for a number of these polymers show no evidence of such an effect for at least six shear rate decades of non-Newtonian behaviour.doi:10.1038/202288a0BALLMANRICHARD LNature
Orange moon versus blood moon Rogerio Peccioli/Getty Images Orange moons aren't common, but they aren't exactly rare either. The full moon closest to the autumnal equinox in the Northern Hemisphere is called a harvest moon, and it frequently appears orange because the moon rises at a narrower...
The behavior of shear viscosity versus temperature for bosonic and fermionic system is different below Tc [49]. For instance, like the bosonic 4He, viscosity increases as the temperature approaches zero below Tc [50] and in the Fermionic 3He, the shear viscosity decreases to zero with ...
The “differential” viscosity is equal to the slope of the shear stress versus shear rate curve at some point A (or the tangent of the angle θ). The “apparent” viscosity is equal to the slope of a line that connects the origin with a given point A on the shear stress versus shear...
Kinematic viscosity in SSU versus dynamic or absolute viscosity can be expressed as νSSU= B μ / SG = B νcentiStokes(3) where νSSU= kinematic viscosity (SSU) B = 4.632 for temperature 100oF (37.8oC) B = 4.664 for temperature 210oF (98.9oC) ...
The experimental shear stress versus shear rate demonstrated a linear relationship (Figure 1). Thus, the sample exhibited Newtonian behavior at all studied temperatures and concentrations. The experimental results were fitted to the Newtonian model equation (Equation (2)) (Ibarz, Gonzalez, et al., ...
10, where the ratios of Cd/Cdn and Ch/Cdn are plotted versus the bulk Richardson number Rib, which is defined by Sign in to download full-size image FIGURE 10. Ratios of bulk transfer coefficients to their neutral value as a function of the bulk Richardson number for a water surface. [...