Journal ArticleDOI
Proton-spin-lattice relaxation and self-diffusion in methanes: IV. Self-diffusion in methane
P.H. Oosting,N.J. Trappeniers +1 more
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The self-diffusion coefficient D of methane has been measured over a wide range of temperature and density, using the spin-echo technique as mentioned in this paper, and the results are in almost quantitative agreement with the theoretical zero-order density approximation.About:
This article is published in Physica D: Nonlinear Phenomena.The article was published on 1971-02-15. It has received 104 citations till now. The article focuses on the topics: Amagat & Self-diffusion.read more
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NMR logging of natural gas reservoirs
TL;DR: In this paper, the pore size and permeability of a natural gas formation is estimated by using a pulsed NMR logging tool utilizing a recovery time that is greater than the relaxation time of hydrocarbon gas within the formation.
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Corrected Enskog theory and the transport coefficients of liquids
TL;DR: In this article, the exact coefficients of self-diffusion, viscosity, and thermal conductivity in hard sphere systems in terms of the molar volume at densities greater than one-half the close packed density were derived.
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Self‐diffusion in compressed supercritical water
TL;DR: In this paper, the self-diffusion coefficients of compressed supercritical water have been measured as a function of pressure in the temperature range 400 to 700°C using the NMR spin-echo technique.
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Quantitative characterization of methane adsorption on coal using a low-field NMR relaxation method
TL;DR: In this paper, a NMR transparent isotherm adsorption setup was used to characterize the capacity of coal coals to obtain a hydrogen amplitude index reflecting the methane volume concentration.
References
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Molecular theory of gases and liquids
TL;DR: Molecular theory of gases and liquids as mentioned in this paper, molecular theory of gas and liquids, Molecular theory of liquid and gas, molecular theories of gases, and liquid theory of liquids, مرکز
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Effects of Diffusion on Free Precession in Nuclear Magnetic Resonance Experiments
H. Y. Carr,Edward M. Purcell +1 more
TL;DR: In this paper, the effect of diffusion on free precession in nuclear resonance has been studied, and a new scheme for measuring the transverse relaxation time is described, which largely circumvents the diffusion effect.
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The Principle of Corresponding States
TL;DR: The principle of corresponding states in modern form has been applied to the following properties: the critical state, the virial coefficient, the Boyle point, the densities of coexistent phases, the vapor pressure of the liquid, the entropies of evaporation and of fusion, the coefficient of thermal expansion of liquid and the triple point temperature and pressure, the heat capacity of liquid, and the surface tension of liquid as mentioned in this paper.
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The temperature dependence of the self-diffusion coefficients of argon, neon, nitrogen, oxygen, carbon dioxide, and methane
TL;DR: In this paper, the authors measured the self-diffusion coefficients of A, Ne, ${\mathrm{N}}_{2}$, ${\Mathrm{O}}_2}, C${H}}_{4}, and C${\mathrm {H}}_4} with respect to the assumption that the molecular interaction potential is of the form