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  • 1
    Electronic Resource
    Electronic Resource
    A vibrating-rod densimeter (1989)
    Springer
    International journal of thermophysics 10 (1989), S. 871-883 
    Details
    ISSN: 1572-9567
    Keywords: densimeter ; density ; high pressure ; n-heptane ; vibrating wire
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Measurements are reported that confirm the applicability of the theory of a vibrating-rod densimeter to a practical instrument. It is demonstrated that with such a device, liquid density measurements evaluated on an absolute basis can be made with an accuracy of ±0.2% at pressures up to 100 MPa. When the density of the liquid is evaluated on a relative basis, a precision of ±0.1% can be achieved over the same range of pressure. Future developments of the instrument that would greatly enhance its sensitivity and that rely upon the availability of a proven theory are therefore now possible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00514482
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    An improved extended-corresponding-states theory for natural gas mixtures (1994)
    Springer
    International journal of thermophysics 15 (1994), S. 1261-1269 
    Details
    ISSN: 1572-9567
    Keywords: corresponding states ; mixing rules ; natural gases ; second virial coefficients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this work the van der Waals one-fluid extended-corresponding-states theory mixing rules are modified so that the composition dependence of the second virial coefficient is theoretically correct, regardless of the mixing rules used to describe the remainder of thepVT surface. This modification leads to a substantial improvement in the prediction of the mixture phase equilibrium. Results and comparisons with the unmodified extended-corresponding-states theory and experimental data are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01458834
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Thermal conductivity of normal pentane in the temperature range 306–360 K at pressures up to 0.5 GPa (1987)
    Springer
    International journal of thermophysics 8 (1987), S. 305-315 
    Details
    ISSN: 1572-9567
    Keywords: alkanes ; hard-sphere theory ; liquid ; normal pentane ; thermal conductivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper reports the results of new, absolute measurements of the thermal conductivity of normal pentane in the temperature range 306 to 360 K at pressures up to 0.50 GPa. The experimental data have an estimated uncertainty of ±0.3%. The density dependence of the thermal conductivity along all of the isotherms cannot be represented by a common equation within its estimated uncertainty. Nevertheless, such a universal equation does provide a simple method of correlating the complete set of data with an error of no more than ±2.5%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00503944
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Thermal conductivity of carbon tetrachloride in the temperature range 310 to 364 K at pressures up to 0.22 GPa (1985)
    Springer
    International journal of thermophysics 6 (1985), S. 427-438 
    Details
    ISSN: 1572-9567
    Keywords: carbon tetrachloride ; hard-sphere theory ; liquid ; self-diffusion coefficient ; thermal conductivity ; viscosity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The paper reports new measurements of the thermal conductivity of carbon tetrachloride in the temperature range 310 to 364 K at pressures up to 0.22 GPa. The experimental data have an estimated uncertainty to ±0.3%. The hard-sphere theory of transport in dense fluids is employed to formulate a correlation scheme for the thermal conductivity as a function of density. A single equation represents the dependence of the thermal conductivity on density for all isotherms, the isotherms being distinguished by a characteristic value of the molar volume. It is shown that earlier measurements of the viscosity and self-diffusion coefficient of carbon tetrachloride may be represented in a similar fashion using consistent values of the characteristic volume.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00508888
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    PVT properties of methanol at temperatures to 300°C (1986)
    Springer
    International journal of thermophysics 7 (1986), S. 1077-1089 
    Details
    ISSN: 1572-9567
    Keywords: compressed gas ; compressed liquid ; compressibility ; density ; fluids ; measurements ; methanol ; PVT behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Measurements of the PVT behavior of compressed gas and liquid methanol are reported. Pressure versus temperature observations were made along paths of very nearly constant density (pseudoisochores) in the temperature range from about 100 to 300°C and at pressures to about 35 MPa. Eighteen pseudoisochores were determined, ranging in density from about 2 to 22 mol · dm−3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00502379
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    Paper (German National Licenses)
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