|The Physical Object|
|Number of Pages||12|
A simple and accurate method for calculating viscosity of gaseous mixtures / ([Washington, DC]: U.S. Dept. of the Interior, Bureau of Mines, ), by Thomas A. Davidson and United States. Bureau of Mines (page images at HathiTrust). Title: Calculation of the Viscosity of Gas Mixtures Author: Firmin Joseph Krieger Subject: A presentation of two semiempirical general equations for the viscosity of a mixture of n gaseous File Size: KB. Natural gas viscosity is usually expected to increase both with pressure and temperature. A number of methods have been developed to calculate gas viscosity. The method of Lee, Gonzalez and Eakin is a simple relation which gives quite accurate results for typical natural gas mixtures with low non-hydrocarbon content. By application of the kinetic theory, with several simplifying assumptions, the previous equation of Buddenberg and the author has been modified to give a general equation for viscosity as a function of molecular weights and viscosities of the pure components of the mixture. Agreement of the equation with experimental data is demonstrated for a number of highly irregular binary gas Cited by:
VISCOSITY OF LIQUID MIXTURES spectra is another. The assumption that there is no kinetic isotope effect is implicit in the statistics used to calculate the relative abundances. In fact the RMD reported for eachspectrumisrather a measure of internal consistency than of the accuracy of the experimental data. is the ideal gas law constant, kg- m/kgmole-K. T. is the absolute temperature of the gas in K. With these units for. P, V, R, and T, the gas density will be in kg/m Critical Temperature and Pressure: As noted in the Introduction, in order to use the Ideal Gas Law to calculate a gas density, the gas temperature. Please refer "A simple and accurate method of calculating viscosity of gaseous mixture by Thomas Davidson pub by Bureau of mines " use google search Cite All Answers (10). heretofore (ref. 1, which reproduced rigorous calculations for the viscosity of helium- neon-argon mixtures within 3 parts in 10 ). Combination rules for the unlike cross sections are built into the mixture formula. For mixtures of nonpolar gases, only the gas composition and viscosities and molecular weights of the constituents are Size: 1MB.
Simple and accurate method for calculating viscosity of gaseous mixtures (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: Thomas A Davidson; United States. Bureau of Mines. "The Bureau of Mines Helium Field Operations has developed a simple and accurate method for calculating the viscosity of gas mixtures. Only the composition of the mixture and the molecular weights and viscosities of the pure components in the mixture are required. The momentum fraction of a mixture is calculated from the composition. In industrial practice, viscosities of solutions (meaning homogeneous products of dissolution of solids or gases in liquids) and fluid mixtures (meaning homogeneous mixtures resulting out of mixing of two or more fluids) are often needed for the design of the different unit operations and processes by: 2. A simple and accurate correlation has been developed for predicting the viscosity of CO2-reservoir oil mixtures from composition. The method is suitable for equation-of-state based reservoir simulations, and is useful for a wide range of oil viscosities from to , by: 5.