Showing 1 - 10 of 36
The paper reports accurate measurements of the viscosity of the eighteen binary gaseous systems: CF4 with He, Ne, Ar, N2, CO2, CH4; SF6 with He, Ne, Ar, N2, CO2, CH4, CF4 and O2 with He, Ne, CO2, CF4, SF6. The measurements were performed in a high-precision oscillating-disk viscometer at...
Persistent link: https://www.econbiz.de/10011058346
This paper presents new experimental data for the viscosity of binary mixtures of xenon with the remaining monatomic gases, helium, neon, argon, and krypton. The measurements have been performed in a high precision oscillating-disk viscometer at atmospheric pressure and within the temperature...
Persistent link: https://www.econbiz.de/10011060251
The paper reports measurements of the viscosity of normal butane and isobutane at atmospheric pressure in the temperature range 25–195°C. In addition, the viscosity of mixtures of the two gases has been determined in the more limited temperature range 25–100°C. The absolute accuracy of the...
Persistent link: https://www.econbiz.de/10011061412
The paper reports on new, accurate (±0.3%) measurements of the viscosity of binary and multicomponent mixtures involving the four saturated hydrocarbons: CH4, C2H6, C3H8 and C4H10. Measurements were restricted to atmospheric pressure and the temperature range 25–195°C.
Persistent link: https://www.econbiz.de/10011061793
In this paper we present a method for predicting the composition dependence of the thermal conductivity of dense gas mixtures. The method requires the knowledge of the thermal conductivities of the pure component gases at high density, of the zero-density values of the thermal conductivities...
Persistent link: https://www.econbiz.de/10010584831
We present a method for the computation of the composition dependence of the viscosity of a dense gas mixture. This method uses the (modified) Enskog theory formula for the viscosity of a dense mixture of rigid-sphere gases, as obtained by Thorne, and assumes that this formula can be applied to...
Persistent link: https://www.econbiz.de/10010585007
The paper presents rigorous working equations for an automatic Wheatstone bridge employed in fluid thermal conductivity measurements by the transient hot-wire technique. Particular attention is concentrated upon the inevitable small differences between the two wires employed for the cancellation...
Persistent link: https://www.econbiz.de/10010871801
The paper reports new measurements of the thermal conductivity of mixtures of carbon dioxide with the three monatomic gases helium, neon and argon. The measurements have been performed at 27.5°C and in the pressure range 0.7–11 MPa. The accuracy of the reported data is estimated to be one of...
Persistent link: https://www.econbiz.de/10011059026
The paper presents new, absolute measurements of the thermal conductivity of binary mixtures of nitrogen with four monatomic gases, He, Ne, Ar and Kr. The measurements have been performed at 27.5°C as a function of density within the pressure range 0.9–17 MPa. The experimental data have an...
Persistent link: https://www.econbiz.de/10011059048
The paper presents new, absolute measurements of the viscosity and thermal conductivity of mixtures of hydrogen with carbon monoxide, carbon dioxide and methane near room temperature. The viscosity measurements have been performed at a pressure of 0.1 MPa and have an estimated accuracy of...
Persistent link: https://www.econbiz.de/10011059159