An empirical formula is proposed for the calculation of the viscosity of glycerol-water mixture for mass concentrations in the range of 0-100% and temperatures varying from 0 to 100 degrees C. It compares well with three databases available in the literature, and its application procedure is als...
We provide a representation formula for viscosity solutions to an elliptic Dirichlet problem involving Pucci's extremal operators. This is done through a dynamic programming principle derived from Denis, Hu and Peng (2010). The formula can be seen as a nonlinear extension of the Feynman-Kac ...
The viscosity of liquids is different from gas. When dealing with this less contained state of matter, a higher temperature actually causes them to "thicken," and their viscosity increases with temperature. This is because for gasses at low temperatures, the molecules rarely collide or interact wi...
The viscosity of ovalbumin aqueous solutions was studied as a function of temperature and of protein concentration. Viscosity–temperature dependence was discussed on the basis of the modified Arrhenius formula at temperatures ranging from 5 to 55°C. The activation energy of viscous flow for hydrated...
Based on a fixed point argument, we give a dynamical representation of the viscosity solution to Cauchy problem of certain weakly coupled systems of Hamilton-Jacobi equations with continuous initial datum. Using this formula, we obtain some regularity results related to the viscosity solution, includin...
The main purpose of this work is to establish the existence of a weak solution to the incompressible 2D Euler equations with initial vorticity consisting o... MCL Filho,HJN Lopes,Z Xin - 《Archive for Rational Mechanics & Analysis》 被引量: 87发表: 2001年 Finite element solution of the Nav...
Facebook Twitter Google Share on Facebook absolute viscosity Also found in:Dictionary,Thesaurus,Medical,Wikipedia. [′ab·sə‚lüt vis′käs·ə·dē] (fluid mechanics) The tangential force per unit area of two parallel planes at unit distance apart when the space between them is filled...
— On the application of viscosity data to the determination of the shape of protein molecules in solution In Ch. III of the "Second Report on Viscosity and Plasticity" formulae have been given for the resistance of small particles of elongated form, and for their influence upon the effective...
Relationship between solution viscosity, kinetics of freeze-drying and the structure of the dry material. Freeze-drying of complex solutions containing 30% lactose, 3% thiourea, 3% dried skim milk and 3% ascorbic acid was used as an example for studying the inf... EL Vinogradov,AI Kobatov,EI...
An usc function u:Rn→R is a viscosity subsolution of (E) if F(x,u(x),ζ)≤0 for every x∈Rn and ζ∈∂+u(x).Similarly Definition 7.6 A lsc function u:Rn→R is a viscosity supersolution of (E) if F(x,u(x),ζ)≥0 for every x∈Rn and ζ∈∂-u(x).Continuous...