Nomenclature
From CFD-Wiki
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<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> | ||
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<td>[[Ratio of specific heats | Specific heat ratio]] = <math>C_p/C_v</math></td> | <td>[[Ratio of specific heats | Specific heat ratio]] = <math>C_p/C_v</math></td> | ||
<td></td> | <td></td> | ||
+ | </tr> | ||
+ | <tr> | ||
+ | <td><math>\epsilon</math></td> | ||
+ | <td>Turbulence dissipation</td> | ||
+ | <td><math>J / kg s = m^2 / s^3</math></td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
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<td><math>m^2/s</math></td> | <td><math>m^2/s</math></td> | ||
</tr> | </tr> | ||
- | |||
<tr> | <tr> | ||
<td><math>\rho</math></td> | <td><math>\rho</math></td> | ||
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<td><math>s^{-1}</math></td> | <td><math>s^{-1}</math></td> | ||
</tr> | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <td><math>Y_k</math></td> | ||
+ | <td> [[Mass Fraction]] of species k</td> | ||
+ | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <td><math>X_k</math></td> | ||
+ | <td> [[Molar Fraction]] of species k</td> | ||
+ | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <td><math>[X_k]</math></td> | ||
+ | <td>Molar Concentration of species k</td> | ||
+ | <td><math>mol/m^3</math></td> | ||
+ | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <td><math>W_k</math></td> | ||
+ | <td>Molecular weight of species k</td> | ||
+ | <td><math>kg/mol</math></td> | ||
+ | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <td><math> \overline{W} </math></td> | ||
+ | <td>Mean molecular weight of a mixture</td> | ||
+ | <td><math>kg/mol</math></td> | ||
+ | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <td><math> \dot \omega_k </math></td> | ||
+ | <td>k-species reaction rate </td> | ||
+ | <td><math>kg/m^3 s</math></td> | ||
+ | </tr> | ||
+ | |||
+ | |||
</table> | </table> | ||
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<td><math>Nu</math></td> | <td><math>Nu</math></td> | ||
<td>[[Nusselt number]]</td> | <td>[[Nusselt number]]</td> | ||
- | <td><math> | + | <td><math>\frac{h L}{k}</math></td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td><math>Pr</math></td> | <td><math>Pr</math></td> | ||
<td>[[Prandtl number]]</td> | <td>[[Prandtl number]]</td> | ||
- | <td><math>\mu | + | <td><math>\frac{\mu C_p}{k}</math></td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td><math>Re</math></td> | <td><math>Re</math></td> | ||
<td>[[Reynolds number]]</td> | <td>[[Reynolds number]]</td> | ||
- | <td><math>\rho | + | <td><math>\frac{\rho VL}{\mu}</math></td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
<td><math>St</math></td> | <td><math>St</math></td> | ||
<td>[[Strouhal number]]</td> | <td>[[Strouhal number]]</td> | ||
- | <td><math>fL | + | <td><math>\frac{fL}{V}</math></td> |
+ | </tr> | ||
+ | <tr> | ||
+ | <td><math>Ma</math></td> | ||
+ | <td>[[Mach number]]</td> | ||
+ | <td><math>\frac{v}{C}</math></td> | ||
</tr> | </tr> | ||
</table> | </table> |
Latest revision as of 20:23, 11 June 2011
Acronym | Description | Unit |
---|---|---|
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Specific heat at constant pressure | ![]() |
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Specific heat at constant volume | ![]() |
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Internal energy | ![]() |
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Total energy | ![]() |
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Enthalpy | ![]() |
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Turbulent kinetic energy | ![]() |
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Static pressure | ![]() |
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Specific gas constant | ![]() |
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Trace-less viscous strain-rate tensor | ![]() |
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Time | ![]() |
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Static temperature | ![]() |
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Friction velocity | ![]() |
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Velocity | ![]() |
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Specific heat ratio = ![]() |
|
![]() |
Turbulence dissipation | ![]() |
![]() |
Kronecker's delta function | |
![]() |
Dynamic viscosity | ![]() |
![]() |
Kinematic viscosity | ![]() |
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Density | ![]() |
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Shear stress tensor | ![]() |
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Specific dissipation | ![]() |
![]() |
Mass Fraction of species k | |
![]() |
Molar Fraction of species k | |
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Molar Concentration of species k | ![]() |
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Molecular weight of species k | ![]() |
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Mean molecular weight of a mixture | ![]() |
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k-species reaction rate | ![]() |
Dimensionless parameters:
Parameter | Description | Definition |
---|---|---|
![]() |
Nusselt number | ![]() |
![]() |
Prandtl number | ![]() |
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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) |