Combining rules: Difference between revisions
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The ''' | {{Stub-general}} | ||
The '''combining rules''' (also known as ''mixing rules'') for binary mixtures are variously given by | |||
====Berthelot rule==== | |||
:<math>\epsilon_{ij} = \sqrt{\epsilon_{ii} \epsilon_{jj}}</math> | :<math>\epsilon_{ij} = \sqrt{\epsilon_{ii} \epsilon_{jj}}</math> | ||
====Lorentz rule==== | |||
:<math>\sigma_{ij} = \frac{\sigma_{ii} + \sigma_{jj}}{2}</math> | :<math>\sigma_{ij} = \frac{\sigma_{ii} + \sigma_{jj}}{2}</math> | ||
See also [[Lennard-Jones model]] | See also [[Lennard-Jones model]] | ||
====Admur and Mason==== | |||
For the [[second virial coefficient]] of a mixture (Ref. 1) | |||
:<math>B_{ij} = \frac{\left(B_{ii}^{1/3}+B_{jj}^{1/3}\right)^3}{8}</math> | |||
==References== | ==References== | ||
#[http://dx.doi.org/10.1063/1.1724353 I. Amdur and E. A. Mason "Properties of Gases at Very High Temperatures", Physics of Fluids '''1''' pp. 370-383 (1958)] | |||
[[category: mixtures]] | [[category: mixtures]] | ||
Revision as of 14:59, 31 October 2007
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The combining rules (also known as mixing rules) for binary mixtures are variously given by
Berthelot rule
- Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \epsilon_{ij} = \sqrt{\epsilon_{ii} \epsilon_{jj}}}
Lorentz rule
- Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \sigma_{ij} = \frac{\sigma_{ii} + \sigma_{jj}}{2}}
See also Lennard-Jones model
Admur and Mason
For the second virial coefficient of a mixture (Ref. 1)
- Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle B_{ij} = \frac{\left(B_{ii}^{1/3}+B_{jj}^{1/3}\right)^3}{8}}