Thermophysical properties of supercritical fluids and fluid mixtures. Final technical report, December 15, 1988--December 14, 1994

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This research is concerned with the development of quantitative scientific descriptions of the thermodynamic and transport properties of supercritical and subcritical fluids and fluid mixtures. It is well known that the thermophysical properties of fluids and fluid mixtures exhibit singular behavior at critical points. Asymptotically close to critical points the thermophysical properties satisfy scaling laws with universal critical exponents and universal scaling functions. However, the range of validity of these asymptotic scaling laws is very small. It has now been well established that the range of temperatures and densities where various thermophysical properties are affected is quite large. The reason ... continued below

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9 p.

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Sengers, J.V. August 1, 1998.

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Description

This research is concerned with the development of quantitative scientific descriptions of the thermodynamic and transport properties of supercritical and subcritical fluids and fluid mixtures. It is well known that the thermophysical properties of fluids and fluid mixtures exhibit singular behavior at critical points. Asymptotically close to critical points the thermophysical properties satisfy scaling laws with universal critical exponents and universal scaling functions. However, the range of validity of these asymptotic scaling laws is very small. It has now been well established that the range of temperatures and densities where various thermophysical properties are affected is quite large. The reason is that the correlation length associated with the critical fluctuations exceeds the short-range molecular interaction range in a sizeable part of the phase diagram of fluids and fluid mixtures. The paper discusses the research accomplishments of the following: Thermodynamic properties of one-component fluids; Thermodynamic properties of fluid mixtures; Transport properties of one-component fluids; and Transport properties of fluid mixtures.

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9 p.

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OSTI as DE99002143

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  • Other Information: PBD: Aug 1998

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  • Other: DE99002143
  • Report No.: DOE/ER/13902--6
  • Grant Number: FG05-88ER13902
  • DOI: 10.2172/329504 | External Link
  • Office of Scientific & Technical Information Report Number: 329504
  • Archival Resource Key: ark:/67531/metadc675248

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  • August 1, 1998

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 6, 2015, 8:18 p.m.

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Sengers, J.V. Thermophysical properties of supercritical fluids and fluid mixtures. Final technical report, December 15, 1988--December 14, 1994, report, August 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc675248/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.