High-precision viscosity measurements on methane

Reference Correlation of the Viscosity of meta-Xylene from 273 to 673 K and up to 200 MPa

“…94 The enhancement is significant only in a relative narrow window in temperature and density round the critical point. 2,7 Based on the previous studies, 3,5,6,[8][9][10][11][12][13][15][16][17][18] the viscosity critical enhancement of m-xylene is taken as zero. The total lack of industrial applications of m-xylene near its critical temperature and the existence of an only single experimental viscosity datum 39 further supports this choice.…”

“…This information is complemented with guidance available from theory to produce accurate, consistent, and theoretically sound representations of the transport properties over the widest range of thermodynamic states possible. The first fluid studied in this program was carbon dioxide 2 and since then a plethora of viscosity correlations have been produced, using the same philosophy, covering among others: simple fluids, 3-5 alkanes [6][7][8][9][10][11][12][13] and water. 14 Recently the work has been extended to cyclic and aromatic hydrocarbons.…”

Reference Correlation of the Viscosity of Cyclohexane from the Triple Point to 700 K and up to 110 MPa

“…This information is complemented with guidance available from theory to produce accurate, consistent, and theoretically sound representations of the transport properties over the widest range of thermodynamic states possible. The first fluid studied in this program was carbon dioxide, 6 and since then a plethora of viscosity correlations have been produced, using the same philosophy, covering among others: simple fluids, [7][8][9] alkanes, [10][11][12][13][14][15][16][17] and water. 18 The present study is a continuation of this effort.…”

Reference Correlation of the Viscosity of n-Hexadecane from the Triple Point to 673 K and up to 425 MPa

“…The aim of the present study is to critically assess the viscosity data available in the literature and provide a correlation for the viscosity of nhexadecane that is valid over a wide range of temperature and pressure, covering the vapor, liquid, and supercritical fluid states. Thus, expanding the set of viscosity correlations that are available for n-alkanes that currently encompass methane to n-butane [8][9][10][11] and n-hexane to n-dodecane. [12][13][14][15][16][17] The work is continuation of the program to develop representations of the viscosity and thermal conductivity of pure fluids that is carried out under the auspices of the International Association for Transport Properties (IATP) a Subcommittee of the…”

“…This is especially important for naturally occurring mixtures that contain a myriad of species, where the presence of long-chain species increases viscosity significantly. For a number of industrially important fluids (simple fluids, [3][4][5][6] water, 7 normal alkanes, [8][9][10][11][12][13][14][15][16][17] cyclic and aromatic hydrocarbons [18][19][20][21][22][23][24] and refrigerants [25][26][27] ) there exist accurate and reliable correlations of viscosity that cover a wide range of temperatures and pressures, with well-defined estimates of uncertainty. The aim of the present study is to critically assess the viscosity data available in the literature and provide a correlation for the viscosity of nhexadecane that is valid over a wide range of temperature and pressure, covering the vapor, liquid, and supercritical fluid states.…”