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Transport Coefficients in the One-Fluid Approximation.
1Institute for Basic Standards, National Bureau of Standards, Boulder, Colorado 80302.
Journal of Research of the National Bureau of Standards (1977)
|September 27, 2021
Summary
This study examines the one-fluid approximation for mixture viscosity and thermal conductivity. It discusses anomalous behavior observed in the critical region, providing justification for this approach.
Area of Science:
- Thermodynamics
- Fluid Dynamics
- Physical Chemistry
Background:
- The one-fluid approximation simplifies the complex behavior of fluid mixtures.
- Understanding transport properties like viscosity and thermal conductivity is crucial for many chemical processes.
Purpose of the Study:
- To justify the use of the one-fluid approximation for mixture transport properties.
- To analyze the anomalous behavior of these properties near the critical point.
Main Methods:
- Theoretical analysis of transport coefficients.
- Discussion of fluid behavior in the critical region.
Main Results:
- The one-fluid approximation is justified under specific conditions for mixture viscosity and thermal conductivity.
- Anomalous behavior near the critical region is highlighted and discussed in the context of the approximation.
Conclusions:
- The one-fluid approximation offers a valid approach for modeling mixture viscosity and thermal conductivity.
- Further investigation into critical region phenomena is warranted.
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