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  • critical phenomena  (10)
  • ethane  (6)
  • methane  (5)
  • Quantum optics, physics of lasers, nonlinear optics, classical optics  (4)
  • 11
    Electronic Resource
    Electronic Resource
    Springer
    International journal of thermophysics 13 (1992), S. 873-893 
    ISSN: 1572-9567
    Keywords: critical line ; critical phenomena ; dilute solutions ; thermal-conductivity ; transport properties ; vapor-liquid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract On the basis of the isomorphism of critical phenomena, the behavior of transport properties of binary mixtures in the vicinity of the vapor-liquid critical line is considered. In particular, the renormalization of the singularity of the thermal conductivity in dilute critical solutions has been analyzed in detail. It is shown that the behavior of the thermal conductivity is determined by the “critical background,” i.e., the fluctuation-induced regular part, which diverges at the critical point of a solvent.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Springer
    International journal of thermophysics 14 (1993), S. 1-32 
    ISSN: 1572-9567
    Keywords: critical phenomena ; equation of state ; ethane ; methane ; sound velocity ; specific heat ; thermodynamic properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An improved parametric equation for the thermodynamic properties of fluids is presented that incorporates the crossover from singular thermodynamic behavior in the immediate vicinity of the critical point to regular thermodynamic behavior far away from the critical point. Based on a comparison with experimental data for ethane and methane, it is demonstrated that the crossover model is capable of representing the thermodynamic properties of fluids in a large range of temperatures and densities around the critical point.
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Springer
    International journal of thermophysics 15 (1994), S. 283-308 
    ISSN: 1572-9567
    Keywords: binary mixtures ; critical phenomena ; ethane: methane ; thermal conductivity ; transport coefficients
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The behavior of the transport coefficients related to diffusion, heat conduction, and their cross-processes in fluid mixtures near the consolute point and the liquid-vapor critical line is investigated. Simple crossover equations for the critical enhancement of those coefficients are developed by incorporating a finite cutoff and time-dependent correlation functions of the order parameter and of the entropy into decoupled-mode theory integrals. It is shown that the thermal conductivity of a binary mixture is nondivergent and the crossover from the critical background in the critical point to the regular background far from the critical point is elucidated. The crossover to the behavior of the thermal conductivity in the one-component limit is also discussed.
    Type of Medium: Electronic Resource
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  • 14
    Electronic Resource
    Electronic Resource
    Springer
    International journal of thermophysics 9 (1988), S. 453-464 
    ISSN: 1572-9567
    Keywords: critical phenomena ; ethane ; heat capacity ; methane ; mixtures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Results of an experimental study of the isochotic heat capacity of methaneethane mixtures in a wide region around the liquid-gas critical line are presented. The data are represented by a universal scaled equation for critical mixtures.
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