This class contains different functions for estimating turbulence properties.  
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| Scalar | yPlusEstimation (const Scalar velocity, const Dune::FieldVector< Scalar, dim > position, const Scalar kinematicViscosity, const Scalar density, int yCoordDim=dim-1, bool print=verbose) const | 
|  | Estimates dimensionless wall distance \( y^+ \) based on a formula given in http://www.cfd-online.com/Wiki/Y_plus_wall_distance_estimation. 
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| Scalar | entranceLength (const Scalar velocity, const Scalar diameter, const Scalar kinematicViscosity, bool print=verbose) const | 
|  | Estimates the entrance length for this pipe. 
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| Scalar | reynoldsNumber (const Scalar velocity, const Scalar charLengthScale, const Scalar kinematicViscosity, bool print=verbose) const | 
|  | Calculates the Reynolds number. 
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| Scalar | turbulenceIntensity (const Scalar reynoldsNumber, bool print=verbose) const | 
|  | Estimates the turbulence intensity based on a formula given in the ANSYS Fluent user guide [ANSYSUserGuide12]. 
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| Scalar | turbulenceLengthScale (const Scalar charLengthScale, bool print=verbose) const | 
|  | Estimates the turbulence length scale based on a formula given in the ANSYS Fluent user guide [ANSYSUserGuide12]. 
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| Scalar | turbulentKineticEnergy (const Scalar velocity, const Scalar diameter, const Scalar kinematicViscosity, bool print=verbose) const | 
|  | Estimates the turbulent kinetic energy based on a formula given in the ANSYS Fluent user guide [ANSYSUserGuide12]. 
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| Scalar | dissipation (const Scalar velocity, const Scalar diameter, const Scalar kinematicViscosity, bool print=verbose) const | 
|  | Estimates the dissipation based on a formula given in the ANSYS Fluent user guide [ANSYSUserGuide12]. 
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| Scalar | dissipationRate (const Scalar velocity, const Scalar diameter, const Scalar kinematicViscosity, bool print=verbose) const | 
|  | Estimates the dissipation rate based on a formula given in the ANSYS Fluent user guide [ANSYSUserGuide12]. 
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| Scalar | viscosityTilde (const Scalar velocity, const Scalar diameter, const Scalar kinematicViscosity, bool print=verbose) const | 
|  | Estimates the viscosity tilde based on a formula given in in the ANSYS Fluent user guide [ANSYSUserGuide12]. 
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