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  • 1
    Electronic Resource
    Electronic Resource
    A data-base system for the thermophysical properties of 400 pure fluids and their binary mixtures (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 727-738 
    Details
    ISSN: 1572-9567
    Keywords: data-base system ; density ; dielectric constant ; enthalpy ; entropy ; heat capacity ; refractive index ; surface tension ; thermal conductivity ; vapor pressure ; viscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In order to provide the newest and most reliable numerical data of thermophysical properties of fluids to the scientific and technical community as quickly as possible, the present data-base system was designed and constructed. This data base is concerned with 12 kinds of thermophysical properties at 7 defined physical states for about 400 pure fluids and their binary mixtures. The present system is constructed by means of a data-base management system, INQ, on our computer ACOS series System-2020 produced by Nippon Electric Co. Ltd. The data base is usable as (i) the conversational processing by TSS, (ii) the tabulation of property data in batch processing, and (iii) one of the subroutine libraries in the computation of a user's program. For users' convenience, 10 kinds of application programs have been prepared for the multipurpose retrievals, and anyone can use this data base liberally without any special knowledge on the structure or languages of this system. Furthermore, the function of graphic display of property data has been added recently.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00507992
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  • 2
    Electronic Resource
    Electronic Resource
    Solid-liquid phase equilibria of benzene + cyclohexane system under high pressures (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 415-424 
    Details
    ISSN: 1572-9567
    Keywords: benzene ; cyclohexane ; eutectic point ; high pressure ; solid-liquid phase equilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Solid-liquid phase equilibria of the benzene + cyclohexane system have been investigated experimentally at temperatures from 278 to 323 K and pressures up to 500 MPa using a newly designed optical vessel. The uncertainties of the measurements of temperature, pressure, and composition are within ±0.1 K, ±0.5 MPa, and ±0.001 mole fraction, respectively. The solid-liquid equilibrium pressure at a constant composition increases almost linearly with increasin temperature. The eutectic point shifts to a higher temperature and to a benzenerich composition with increasing pressure. This trend is found to agree with the direction predicted by the van Laar equation. The solid-liquid coexistence curves can be expressed by the Wilson equation with a mean deviation of 0.007 and a maximum deviation of 0.029 in mole fraction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00567102
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  • 3
    Electronic Resource
    Electronic Resource
    Thermodynamic properties of 1-chloro-1,2,2,2-tetrafluoroethane (R124) (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 85-101 
    Details
    ISSN: 1572-9567
    Keywords: Benedict-Webb-Rubin (BWR) equation ; 1-chloro-1,2,2,2-tetrafluoroethane ; compressibility factor ; critical pressure ; critical temperature ; equation of state ; R124 ; specific volume ; vapor pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The critical temperature and pressure, vapor pressure, and PVT relations for gaseous and liquid 1-chloro-1,2,2,2-tetrafluoroethane (R124) were determined experimentally. The vapor pressure was measured in the temperature range from 278.15 K to the critical temperature. The PVT measurements were carried out using two types of volumeters in the temperature range from 278.15 to 423.15 K, at pressure up to 100 MPa. The numerical PVT data of gaseous state are fitted as a function of density to a modified Benedict-Webb-Rubin equation. The pressure-volume relations of the liquid at each temperature are correlated satisfactorily as a function of pressure by the Tait equation. The critical density and saturated vapor and liquid densities are also determined and some of the thermodynamic properties are derived from the experimental results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00504002
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of pressure on the solid-liquid phase equilibria of (carbon tetrachloride + p-xylene) and (carbon tetrachloride+benzene) systems (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 535-545 
    Details
    ISSN: 1572-9567
    Keywords: benzene ; carbon tetrachloride ; high pressure ; intermolecular compound ; p-xylene ; solid-liquid phase equilibria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Solid-liquid phase equilibria of the carbon tetrachloride + p-xylene and the carbon tetrachloride+benzene systems have been investigated at temperatures from 278 to 323 K and pressures up to 500 MPa using a high-pressure optical vessel. The uncertainties in the measurements of temperature, pressure, and composition are within ±0.1 K, ±0.5 MPa, and ±0.001 mole fraction, respectively. In the former system, which has an intermolecular compound with a congruent melting point, the freezing temperature at a constant composition increases monotonously with increasing pressure. The two eutectic points of this system shift to higher temperatures and richer compositions of the compound with increasing pressure. In the latter system, which has two intermolecular compounds with incongruent melting points, the one compound disappears under the present experimental conditions and the incongruent melting point of the other compound changes to the congruent melting point under high pressures. The solid-liquid coexistence curves of these systems can be correlated satisfactorily by the equation previously proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503152
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  • 5
    Electronic Resource
    Electronic Resource
    Viscosity of aqueous solutions of 1,2-ethanediol and 1,2-propanediol under high pressures (1988)
    Springer
    International journal of thermophysics 9 (1988), S. 511-523 
    Details
    ISSN: 1572-9567
    Keywords: aqueous alcohol solution ; ethanediol ; ethylene glycol ; falling-cylinder viscometer ; free-volume theory ; high pressure ; pressure effect ; propanediol ; propylene glycol ; viscosity ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract New experimental data on the viscosity of aqueous solutions of 1,2-ethanediol (ethylene glycol) and 1,2-propanediol (propylene glycol) are presented at 298 and 323 K under pressures up to 120 MPa. The measurements were performed by a falling-cylinder viscometer on a relative basis with an uncertainty of less than ±2%. The viscosity of these aqueous solutions at a constant temperature and pressure increases monotonously with increasing concentrations of diols (glycols) and is slightly lower than the mole fraction average value at each composition. The viscosity also increases almost linearly with pressure at a constant temperature and composition. The pressure coefficient of the viscosity, (∂η/∂P)T,x, increases with decreasing temperature and increasing concentrations of diols. The experimental results are correlated with pressure, density, and composition by several empirical equations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503150
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of pressure on the solid-liquid phase equilibria of binary organic systems (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 27-34 
    Details
    ISSN: 1572-9567
    Keywords: high pressure ; mixtures ; organic liquid ; phase equilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Solid-liquid phase equilibria of the binary mixtures of the organic liquids have been investigated at temperatures from 278 to 343 K and pressures up to 500 MPa using a high-pressure optical vessel. The systems investigated are as follows: (1) simple eutectic systems-benzene + cyclohexane system and benzene + 2-methyl-2-propanol system; (2) eutectic systems with formation of intermolecular compounds — carbon tetrachloride + p-xylene system and carbon tetrachloride + benzene system; (3) partial solid solution system-α-methylnaphthalene + β-methylnaphthalene system; and (4) complete solid solution system-chlorobenzene + bromobenzene system. The uncertainties of the measurements of temperature, pressure and composition are within ±0.1 K, ± 0.5 MPa, and ±0.001 mole fraction, respectively. The freezing and melting temperatures at a constant composition increase monotonously with pressure. The eutectic mixture becomes richer in the component whose temperature coefficient of the freezing pressure is larger and the eutectic temperature rises monotonously with increasing pressure in the eutectic systems. The pressure-temperature-composition relation of the solid-liquid phase equilibria can be expressed satisfactorily by an equation newly proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00500705
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  • 7
    Electronic Resource
    Electronic Resource
    Viscosities of six 1-Alkanols at temperatures in the range 298–348 K and pressures up to 200 MPa (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 833-843 
    Details
    ISSN: 1572-9567
    Keywords: decanol ; dodecanol ; falling-body viscometer ; free volume ; hexadecanol ; hexanol ; high pressure ; octanol ; significant structure theory ; tetradecanol ; viscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Viscosities of six higher 1-alkanols (1-hexanol, 1-octanol, 1-decanol, 1-dodecanol, 1-tetradecanol, and 1-hexadecanol) have been determined at temperatures from 298 to 348 K and pressures up to 200 MPa. The viscosity measurements were performed using a falling-body viscometer with an uncertainty of ±5%. Simple equations are presented to express the experimental viscosities as a function of temperature and pressure within the experimental uncertainty. The relationship between the viscosity and the density of these alkanols is discussed in terms of the significant structure theory extended to high pressures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00514479
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  • 8
    Electronic Resource
    Electronic Resource
    Density and viscosity of linear perfluoropolyethers under high pressures (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 857-870 
    Details
    ISSN: 1572-9567
    Keywords: compressibility ; density ; fluorocarbon oil ; free-volume equation ; high pressure ; perfluoropolyether ; specific volume ; Tait equation ; viscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract New experimental data on the density and viscosity of linear, unbranched perfluoropolyethers are presented at temperatures from 273 to 333 K and pressures up to 180 MPa. The measurements were carried out by a high-pressure burrette apparatus and a falling-cylinder viscometer. The uncertainties of the measurements are estimated to be less than 0.09% for the specific volume and 2.5% for the viscosity. The P-V data at each temperature are correlated satisfactorily by the Tait equation. The viscosity data are also analyzed and correlated with pressure or molar volume by several empirical and theoretical equations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00514481
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  • 9
    Electronic Resource
    Electronic Resource
    Volumetric properties of 1-alkanols at temperatures in the range 298–348 K and pressures up to 40 MPa (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 885-897 
    Details
    ISSN: 1572-9567
    Keywords: decanol ; density ; dodecanol ; hexadecanol ; hexanol ; high pressure ; isothermal compressibility ; octanol ; Tait equation ; tetradecanol ; thermal expansion coefficient
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Molar volumes, thermal expansion coefficients, and isothermal compressibilities of six higher 1-alkanols (1-hexanol, 1-octanol, 1-decanol, 1-dodecanol, 1-tetradecanol, and 1-hexadecanol) have been determined at temperatures from 298 to 348 K and pressures up to 40 MPa. The density measurements were performed using a vibrating densitometer with an uncertainty of ±0.06%. The relationship between the properties and the structures of these alkanols is discussed in terms of the carbon-chain lengths.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00514483
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  • 10
    Electronic Resource
    Electronic Resource
    Volumetric behavior of pure alcohols and their water mixtures under high pressure (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 47-70 
    Details
    ISSN: 1572-9567
    Keywords: alcohols ; aqueous mixtures ; butanols ; compressibility ; ethanol ; excess volume ; high pressure ; methanol ; propanols ; specific volume ; Tait equation ; water
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The specific volumes of C1-C4 alcohols and binary mixtures of water with methanol, ethanol, 1-propanol, 2-propanol, and 2-methyl-2-propanol are presented as functions of temperature, pressure, and composition. The measurements were carried out using a modified Adams piezometer and a high-pressure burette method in a temperature range from 283.15 to 348.15 K at pressures up to 350 MPa. The uncertainties in the specific volume obtained are estimated to be less than 0.09%. The specific volumes of the pure alcohols and their mixtures with water are found to decrease monotonously with increasing pressure. The numerical P-V relations at each temperature and composition are correlated satisfactorily as a function of pressure by the Tait equation. Definite inflections appear on the isobars of isothermal compressibility or partial molar volume versus composition of alcohol + water mixtures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503224
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