ProcessLib::TES::FluidViscosityN2 Struct Reference

Detailed Description

Definition at line 51 of file TESOGS5MaterialModels.h.

#include <TESOGS5MaterialModels.h>

Static Public Member Functions
static double	get (double rho, double T)

Static Private Member Functions
template<unsigned i>
static double	loop1_term (double T_star)
template<unsigned i>
static double	loop2_term (double rho)

Static Private Attributes
static const double	A [5]
static const double	C [5]

Member Function Documentation

get()

static double ProcessLib::TES::FluidViscosityN2::get ( double rho, double T )

inlinestatic

Definition at line 53 of file TESOGS5MaterialModels.h.

    {
        const double rho_c = 314;   // [kg/m3]
        const double CVF = 14.058;  // [1e-3 Pa-s]
 
        const double sigma = 0.36502496e-09;
        const double k = 1.38062e-23;
        const double eps = 138.08483e-23;
        const double c1 = 0.3125;
        const double c2 = 2.0442e-49;
 
        const double T_star = T * k / eps;
        rho = rho / rho_c;
 
        double Omega = loop1_term<0>(T_star);
        Omega += loop1_term<1>(T_star);
        Omega += loop1_term<2>(T_star);
        Omega += loop1_term<3>(T_star);
        Omega += loop1_term<4>(T_star);
 
        Omega = std::exp(Omega);
 
        // eta in [Pa*s]
        const double eta_0 = c1 * std::sqrt(c2 * T) / (sigma * sigma * Omega);
 
        double sum = loop2_term<2>(rho);
        sum += loop2_term<3>(rho);
        sum += loop2_term<4>(rho);
 
        //
        const double eta_r =
            CVF * 1e-6 * (C[0] / (rho - C[1]) + C[0] / C[1] + sum);
 
        return eta_0 + eta_r;  // [Pa*s]
    }

References C.

Referenced by ProcessLib::TES::fluid_heat_conductivity(), and ProcessLib::TES::fluid_viscosity().

loop1_term()

template<unsigned i>

static double ProcessLib::TES::FluidViscosityN2::loop1_term ( double T_star )

inlinestaticprivate

Definition at line 91 of file TESOGS5MaterialModels.h.

    {
        return A[i] * mypow<i>(log(T_star));
    }

References A.

loop2_term()

template<unsigned i>

static double ProcessLib::TES::FluidViscosityN2::loop2_term ( double rho )

inlinestaticprivate

Definition at line 97 of file TESOGS5MaterialModels.h.

    {
        return C[i] * mypow<i - 1>(rho);
    }

References C, and ProcessLib::TES::mypow().

Member Data Documentation

A

const double ProcessLib::TES::FluidViscosityN2::A

staticprivate

Initial value:

= {0.46649, -0.57015, 0.19164, -0.03708,
                                       0.00241}

Definition at line 102 of file TESOGS5MaterialModels.h.

Referenced by loop1_term().

C

const double ProcessLib::TES::FluidViscosityN2::C

staticprivate

Initial value:

= {-20.09997, 3.4376416, -1.4470051,
                                       -0.027766561, -0.21662362}

Definition at line 103 of file TESOGS5MaterialModels.h.

Referenced by get(), and loop2_term().

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The documentation for this struct was generated from the following files:

• ProcessLib/TES/TESOGS5MaterialModels.h
• ProcessLib/TES/TESOGS5MaterialModels.cpp