The accuracy of the PR model is improved by changing the dimensionless constant in the model into a function related to the system temperatures. Furthermore, the mixing-rule in viscosity calculation of mixture is modified through introducing the binary interac tion factor and effective mole fraction...
A theory is given of the sharp viscosity rise in mixtures in the critical mixing region. Good agreement with the experimental dependence of viscosity on composition and temperature is found. The method involves a calculation of the entropy production through diffusion which results when a mixture in...
Rotational viscosity calculation method for liquid crystal mixture using molecular dynamicsE7rotational viscosityliquid crystalsmolecular dynamicsThis paper presents the directly obtained rotational viscosity values of E7, which includes pentylcyanobiphenol, heptylcyanobiphenol, 4-cyano-4′ -n-octyloxy-1,1′ ...
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...
The Viscosity Equation of Liquid Mixtures Based on Eyring's theory of viscosity of pure liquids, an equation for the calculation of the viscosity of liquid mixtures was proposed from the concept of local molar composition: where V represents the viscosity, V molar volume, ga int... Z Bing 被...
Calculation of High Pressure Phase Equilibria of Mixtures of Ethylene, Vinylacetate and an (Ethylene-Vinylacetate) Copolymer Some new measurements of the high pressure demixing behaviour have been done in the system ethylene, vinyl acetate and an (ethylene-vinylacetate) copolymer... U Finck,C Wohl...
Model for the viscosity of silicate melts researchjuliaviscositysilicate UpdatedApr 15, 2020 Julia userr23/viscosity Star1 Code Issues Pull requests Viscosity calculator viscositygasesliquidsair-viscosityviscosity-temperature-chartsliquid-petroleum-productsviscosity-calculationkinematic-viscositiesviscosity-temperature...
These systems are used here to analyze the performance of different models for the calculation of mixture viscosities, highlight gaps in the database even for such common mixtures, and point out next steps in future research. 2 Investigated Viscosity Models for Mixtures Reported in the Literature ...
concerning three binary hydrocarbon mixtures(methane/ndecane;methane/propane;methane/nbutane),while 9.8% and 13.99% for calculation values of nine natural gases and 22 reservoir crude viscosity respectively,with the calculation results superior to the existing viscosity model for oil and gas reservoir ...
1)mixture viscosity粘度混合规则 1.And the new correlation for mixture viscosity of gas- liquid two-phase fluid is developed.将气-液两相混合物看作均匀介质,使水平管气-液两相变质量流的均相流模型的基本模型等同于单相变质量流的流动模型,重点研究了气-液两相变质量流均相流模型中流动参数的混合规则,提出...