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Functions
NitrogenFluidPropertiesTest.C File Reference

Go to the source code of this file.

Functions

 TEST_F (NitrogenFluidPropertiesTest, fluidName)
 Test that the fluid name is correctly returned. More...
 
 TEST_F (NitrogenFluidPropertiesTest, molarMass)
 Test that the molar mass is correctly returned. More...
 
 TEST_F (NitrogenFluidPropertiesTest, criticalProperties)
 Test that the critical properties are correctly returned. More...
 
 TEST_F (NitrogenFluidPropertiesTest, triplePointProperties)
 Test that the triple point properties are correctly returned. More...
 
 TEST_F (NitrogenFluidPropertiesTest, vapor)
 Verify calculation of vapor pressure, vapor density and saturated liquid density. More...
 
 TEST_F (NitrogenFluidPropertiesTest, henry)
 Verify that the coefficients for Henry's constant are correct using Guidelines on the Henry's constant and vapour liquid distribution constant for gases in H20 and D20 at high temperatures, IAPWS (2004). More...
 
 TEST_F (NitrogenFluidPropertiesTest, thermalConductivity)
 Verify calculation of thermal conductivity using data from Lemmon and Jacobsen, Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air, International Journal of Thermophysics, 25, 21–69 (2004) More...
 
 TEST_F (NitrogenFluidPropertiesTest, viscosity)
 Verify calculation of viscosity using data from Lemmon and Jacobsen, Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air, International Journal of Thermophysics, 25, 21–69 (2004) More...
 
 TEST_F (NitrogenFluidPropertiesTest, properties)
 Verify calculation of thermophysical properties of Nitrogen from the Span et al EOS using verification data provided in "A reference equation of state for the thermodynamic properties of nitrogen for temeperatures from 63.151 to 1000 K and pressures to 2200 MPa", Journal of Physical and Chemical Reference Data, 29, 1361–1433 (2000) More...
 
 TEST_F (NitrogenFluidPropertiesTest, derivatives)
 Verify calculation of the derivatives of all properties by comparing with finite differences. More...
 
 TEST_F (NitrogenFluidPropertiesTest, combined)
 Verify that the methods that return multiple properties in one call return identical values as the individual methods. More...
 

Function Documentation

◆ TEST_F() [1/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
fluidName   
)

Test that the fluid name is correctly returned.

Definition at line 16 of file NitrogenFluidPropertiesTest.C.

16 { EXPECT_EQ(_fp->fluidName(), "nitrogen"); }

◆ TEST_F() [2/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
molarMass   
)

Test that the molar mass is correctly returned.

Definition at line 21 of file NitrogenFluidPropertiesTest.C.

22 {
23  ABS_TEST(_fp->molarMass(), 28.01348e-3, REL_TOL_SAVED_VALUE);
24 }

◆ TEST_F() [3/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
criticalProperties   
)

Test that the critical properties are correctly returned.

Definition at line 29 of file NitrogenFluidPropertiesTest.C.

30 {
31  ABS_TEST(_fp->criticalPressure(), 3.3958e6, REL_TOL_SAVED_VALUE);
32  ABS_TEST(_fp->criticalTemperature(), 126.192, REL_TOL_SAVED_VALUE);
33  ABS_TEST(_fp->criticalDensity(), 313.3, REL_TOL_SAVED_VALUE);
34 }

◆ TEST_F() [4/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
triplePointProperties   
)

Test that the triple point properties are correctly returned.

Definition at line 39 of file NitrogenFluidPropertiesTest.C.

40 {
41  ABS_TEST(_fp->triplePointPressure(), 12.523e3, REL_TOL_SAVED_VALUE);
42  ABS_TEST(_fp->triplePointTemperature(), 63.151, REL_TOL_SAVED_VALUE);
43 }

◆ TEST_F() [5/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
vapor   
)

Verify calculation of vapor pressure, vapor density and saturated liquid density.

Definition at line 49 of file NitrogenFluidPropertiesTest.C.

50 {
51  const Real tol = REL_TOL_EXTERNAL_VALUE;
52 
53  // Vapor pressure
54  REL_TEST(_fp->vaporPressure(80.0), 0.13687e6, tol);
55  REL_TEST(_fp->vaporPressure(100.0), 0.77827e6, tol);
56  REL_TEST(_fp->vaporPressure(120.0), 2.51058e6, tol);
57  //
58  // Saturated vapor density
59  REL_TEST(_fp->saturatedVaporDensity(80.0), 0.21737 * 1000.0 * _fp->molarMass(), tol);
60  REL_TEST(_fp->saturatedVaporDensity(100.0), 1.1409 * 1000.0 * _fp->molarMass(), tol);
61  REL_TEST(_fp->saturatedVaporDensity(120.0), 4.4653 * 1000.0 * _fp->molarMass(), tol);
62 
63  // Saturated liquid density
64  REL_TEST(_fp->saturatedLiquidDensity(80.0), 28.341 * 1000.0 * _fp->molarMass(), tol);
65  REL_TEST(_fp->saturatedLiquidDensity(100.0), 24.608 * 1000.0 * _fp->molarMass(), tol);
66  REL_TEST(_fp->saturatedLiquidDensity(120.0), 18.682 * 1000.0 * _fp->molarMass(), tol);
67 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real

◆ TEST_F() [6/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
henry   
)

Verify that the coefficients for Henry's constant are correct using Guidelines on the Henry's constant and vapour liquid distribution constant for gases in H20 and D20 at high temperatures, IAPWS (2004).

Definition at line 74 of file NitrogenFluidPropertiesTest.C.

75 {
76  const Real tol = REL_TOL_EXTERNAL_VALUE;
77  const std::vector<Real> hc = _fp->henryCoefficients();
78 
79  REL_TEST(hc[0], -9.67578, tol);
80  REL_TEST(hc[1], 4.72162, tol);
81  REL_TEST(hc[2], 11.70585, tol);
82 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real

◆ TEST_F() [7/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
thermalConductivity   
)

Verify calculation of thermal conductivity using data from Lemmon and Jacobsen, Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air, International Journal of Thermophysics, 25, 21–69 (2004)

Definition at line 89 of file NitrogenFluidPropertiesTest.C.

90 {
91  const Real tol = REL_TOL_EXTERNAL_VALUE;
92 
93  REL_TEST(_fp->k_from_rho_T(0.0, 300.0), 25.9361e-3, tol);
94  REL_TEST(_fp->k_from_rho_T(5.0 * 1000.0 * _fp->molarMass(), 300.0), 32.7694e-3, tol);
95 
96  const Real p = _fp->p_from_rho_T(5.0 * 1000.0 * _fp->molarMass(), 300.0);
97  REL_TEST(_fp->k_from_p_T(p, 300.0), 32.7694e-3, tol);
98 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real

◆ TEST_F() [8/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
viscosity   
)

Verify calculation of viscosity using data from Lemmon and Jacobsen, Viscosity and Thermal Conductivity Equations for Nitrogen, Oxygen, Argon, and Air, International Journal of Thermophysics, 25, 21–69 (2004)

Definition at line 105 of file NitrogenFluidPropertiesTest.C.

106 {
107  const Real tol = REL_TOL_EXTERNAL_VALUE;
108 
109  REL_TEST(_fp->mu_from_rho_T(0.0, 100.0), 6.90349e-6, tol);
110  REL_TEST(_fp->mu_from_rho_T(25.0 * 1000.0 * _fp->molarMass(), 100.0), 79.7418e-6, tol);
111  REL_TEST(_fp->mu_from_rho_T(10.0 * 1000.0 * _fp->molarMass(), 200.0), 21.081e-6, tol);
112 
113  const Real p = _fp->p_from_rho_T(5.0 * 1000.0 * _fp->molarMass(), 300.0);
114  REL_TEST(_fp->mu_from_p_T(p, 300.0), 20.7430e-6, tol);
115 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real

◆ TEST_F() [9/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
properties   
)

Verify calculation of thermophysical properties of Nitrogen from the Span et al EOS using verification data provided in "A reference equation of state for the thermodynamic properties of nitrogen for temeperatures from 63.151 to 1000 K and pressures to 2200 MPa", Journal of Physical and Chemical Reference Data, 29, 1361–1433 (2000)

Definition at line 124 of file NitrogenFluidPropertiesTest.C.

125 {
126  // Pressure = 1 MPa, temperature = 280 K
127  Real p = 1.0e6;
128  Real T = 280.0;
129 
130  const Real tol = REL_TOL_EXTERNAL_VALUE;
131 
132  REL_TEST(_fp->rho_from_p_T(p, T), 0.43104 * 1000.0 * _fp->molarMass(), tol);
133  REL_TEST(_fp->h_from_p_T(p, T), 8070.2 / _fp->molarMass(), tol);
134  REL_TEST(_fp->e_from_p_T(p, T), 5750.3 / _fp->molarMass(), tol);
135  REL_TEST(_fp->s_from_p_T(p, T), 170.41 / _fp->molarMass(), tol);
136  REL_TEST(_fp->cp_from_p_T(p, T), 29.66 / _fp->molarMass(), tol);
137  REL_TEST(_fp->cv_from_p_T(p, T), 20.89 / _fp->molarMass(), tol);
138  REL_TEST(_fp->c_from_p_T(p, T), 342.4, tol);
139 
140  // Pressure = 1 MPa, temperature = 500 K
141  T = 500.0;
142  REL_TEST(_fp->rho_from_p_T(p, T), 0.23958 * 1000.0 * _fp->molarMass(), tol);
143  REL_TEST(_fp->e_from_p_T(p, T), 10395.0 / _fp->molarMass(), tol);
144  REL_TEST(_fp->h_from_p_T(p, T), 14569.0 / _fp->molarMass(), tol);
145  REL_TEST(_fp->s_from_p_T(p, T), 187.54 / _fp->molarMass(), tol);
146  REL_TEST(_fp->cp_from_p_T(p, T), 29.72 / _fp->molarMass(), tol);
147  REL_TEST(_fp->cv_from_p_T(p, T), 21.29 / _fp->molarMass(), tol);
148  REL_TEST(_fp->c_from_p_T(p, T), 457.0, tol);
149 
150  // Pressure = 10 MPa, temperature = 500 K
151  p = 10.0e6;
152  REL_TEST(_fp->rho_from_p_T(p, T), 2.3024 * 1000.0 * _fp->molarMass(), tol);
153  REL_TEST(_fp->e_from_p_T(p, T), 10154.0 / _fp->molarMass(), tol);
154  REL_TEST(_fp->h_from_p_T(p, T), 14497.0 / _fp->molarMass(), tol);
155  REL_TEST(_fp->s_from_p_T(p, T), 167.93 / _fp->molarMass(), tol);
156  REL_TEST(_fp->cp_from_p_T(p, T), 30.82 / _fp->molarMass(), tol);
157  REL_TEST(_fp->cv_from_p_T(p, T), 21.49 / _fp->molarMass(), tol);
158  REL_TEST(_fp->c_from_p_T(p, T), 483.1, tol);
159 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real

◆ TEST_F() [10/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
derivatives   
)

Verify calculation of the derivatives of all properties by comparing with finite differences.

Definition at line 165 of file NitrogenFluidPropertiesTest.C.

166 {
167  const Real tol = REL_TOL_DERIVATIVE;
168 
169  const Real p = 1.0e6;
170  Real T = 350.0;
171 
172  DERIV_TEST(_fp->rho_from_p_T, p, T, tol);
173  DERIV_TEST(_fp->mu_from_p_T, p, T, tol);
174  DERIV_TEST(_fp->e_from_p_T, p, T, tol);
175  DERIV_TEST(_fp->h_from_p_T, p, T, tol);
176  DERIV_TEST(_fp->k_from_p_T, p, T, tol);
177 
178  // Viscosity from density and temperature
179  T = 360.0;
180  const Real drho = 1.0e-4;
181  Real rho, drho_dp, drho_dT;
182  _fp->rho_from_p_T(p, T, rho, drho_dp, drho_dT);
183 
184  Real dmu_drho_fd =
185  (_fp->mu_from_rho_T(rho + drho, T) - _fp->mu_from_rho_T(rho - drho, T)) / (2.0 * drho);
186  Real mu = 0.0, dmu_drho = 0.0, dmu_dT = 0.0;
187  _fp->mu_from_rho_T(rho, T, drho_dT, mu, dmu_drho, dmu_dT);
188 
189  ABS_TEST(mu, _fp->mu_from_rho_T(rho, T), REL_TOL_CONSISTENCY);
190  REL_TEST(dmu_drho, dmu_drho_fd, tol);
191 
192  // To properly test derivative wrt temperature, use p and T and calculate density,
193  // so that the change in density wrt temperature is included
194  const Real dp = 1.0e1;
195  const Real dT = 1.0e-4;
196  _fp->rho_from_p_T(p, T, rho, drho_dp, drho_dT);
197  _fp->mu_from_rho_T(rho, T, drho_dT, mu, dmu_drho, dmu_dT);
198 
199  Real dmu_dT_fd = (_fp->mu_from_rho_T(_fp->rho_from_p_T(p, T + dT), T + dT) -
200  _fp->mu_from_rho_T(_fp->rho_from_p_T(p, T - dT), T - dT)) /
201  (2.0 * dT);
202 
203  REL_TEST(dmu_dT, dmu_dT_fd, tol);
204 
205  Real dmu_dp_fd = (_fp->mu_from_p_T(p + dp, T) - _fp->mu_from_p_T(p - dp, T)) / (2.0 * dp);
206  Real dmu_dp = 0.0;
207  _fp->mu_from_p_T(p, T, mu, dmu_dp, dmu_dT);
208 
209  ABS_TEST(mu, _fp->mu_from_p_T(p, T), REL_TOL_CONSISTENCY);
210  REL_TEST(dmu_dp, dmu_dp_fd, tol);
211 
212  _fp->mu_from_p_T(p, T, mu, dmu_dp, dmu_dT);
213  dmu_dT_fd = (_fp->mu_from_p_T(p, T + dT) - _fp->mu_from_p_T(p, T - dT)) / (2.0 * dT);
214 
215  REL_TEST(dmu_dT, dmu_dT_fd, tol);
216 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
NS::mu
static const std::string mu
Definition: NS.h:123
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real

◆ TEST_F() [11/11]

TEST_F ( NitrogenFluidPropertiesTest  ,
combined   
)

Verify that the methods that return multiple properties in one call return identical values as the individual methods.

Definition at line 222 of file NitrogenFluidPropertiesTest.C.

223 {
224  const Real p = 1.0e6;
225  const Real T = 300.0;
226  const Real tol = REL_TOL_CONSISTENCY;
227 
228  // Single property methods
229  Real rho, drho_dp, drho_dT;
230  _fp->rho_from_p_T(p, T, rho, drho_dp, drho_dT);
231  Real mu, dmu_dp, dmu_dT;
232  _fp->mu_from_p_T(p, T, mu, dmu_dp, dmu_dT);
233  Real e, de_dp, de_dT;
234  _fp->e_from_p_T(p, T, e, de_dp, de_dT);
235 
236  // Combined property methods
237  Real rho2, drho2_dp, drho2_dT, mu2, dmu2_dp, dmu2_dT, e2, de2_dp, de2_dT;
238  _fp->rho_mu_from_p_T(p, T, rho2, mu2);
239 
240  ABS_TEST(rho, rho2, tol);
241  ABS_TEST(mu, mu2, tol);
242 
243  _fp->rho_mu_from_p_T(p, T, rho2, drho2_dp, drho2_dT, mu2, dmu2_dp, dmu2_dT);
244  ABS_TEST(rho, rho2, tol);
245  ABS_TEST(drho_dp, drho2_dp, tol);
246  ABS_TEST(drho_dT, drho2_dT, tol);
247  ABS_TEST(mu, mu2, tol);
248  ABS_TEST(dmu_dp, dmu2_dp, tol);
249  ABS_TEST(dmu_dT, dmu2_dT, tol);
250 
251  _fp->rho_e_from_p_T(p, T, rho2, drho2_dp, drho2_dT, e2, de2_dp, de2_dT);
252  ABS_TEST(rho, rho2, tol);
253  ABS_TEST(drho_dp, drho2_dp, tol);
254  ABS_TEST(drho_dT, drho2_dT, tol);
255  ABS_TEST(e, e2, tol);
256  ABS_TEST(de_dp, de2_dp, tol);
257  ABS_TEST(de_dT, de2_dT, tol);
258 }
tol
const double tol
Definition: EquilibriumConstantFitTest.C:16
NS::mu
static const std::string mu
Definition: NS.h:123
Real
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
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