# Nomenclature

### From CFD-Wiki

(Difference between revisions)

(Added SI base units for epsilon) |
(Added SI base units for k) |
||

Line 33: | Line 33: | ||

<td><math>k</math></td> | <td><math>k</math></td> | ||

<td>Turbulent kinetic energy</td> | <td>Turbulent kinetic energy</td> | ||

- | <td><math>J/kg</math></td> | + | <td><math>J/kg = m^2/s^2</math></td> |

</tr> | </tr> | ||

<tr> | <tr> |

## Revision as of 09:57, 11 June 2011

Acronym | Description | Unit |
---|---|---|

Specific heat at constant pressure | ||

Specific heat at constant volume | ||

Internal energy | ||

Total energy | ||

Enthalpy | ||

Turbulent kinetic energy | ||

Static pressure | ||

Specific gas constant | ||

Trace-less viscous strain-rate tensor | ||

Time | ||

Static temperature | ||

Friction velocity | ||

Velocity | ||

Specific heat ratio = | ||

Dissipation of k | ||

Kronecker's delta function | ||

Dynamic viscosity | ||

Kinematic viscosity | ||

Density | ||

Shear stress tensor | ||

Specific dissipation | ||

Mass Fraction of species k | ||

Molar Fraction of species k | ||

Molar Concentration of species k | ||

Molecular weight of species k | ||

Mean molecular weight of a mixture | ||

k-species reaction rate |

## Dimensionless parameters:

Parameter | Description | Definition |
---|---|---|

Nusselt number | ||

Prandtl number | ||

Reynolds number | ||

Strouhal number | ||

Mach number |

## Subscript:

Turbulent property | |

Stagnation / total property |

## Superscript:

Convective part | |

Diffusive part | |

Laminar part | |

Laminar + turbulent part | |

Turbulent part | |

Reynolds fluctuating part | |

Favre fluctuating part | |

Density weighted (Favre) average | |

Normal average (time or space) |