@Test
public void testPartialDerivativePT() throws OutOfRangeException {
double tol = 1e-5;
System.out.println(getClass().getSimpleName() + " tolerance: " + tol);
double[][] X = new double[][] {};
for (double[] x : X) {
System.out.println("region: " + Region.getRegionPT(x[1], x[2]).getName());
assertEquals(
x[0],
if97.partialDerivativePT(x[1], x[2], IF97.Quantity.p, IF97.Quantity.nu, IF97.Quantity.u),
tol);
}
}
@Test
public void testSpecificEnthalpyPT() throws OutOfRangeException {
double tol = 1e-5;
System.out.println(getClass().getSimpleName() + " tolerance: " + tol);
double[][] X =
new double[][] {
{0.115331273e3, 3, 300}, // region 1
{0.184142828e3, 80, 300},
{0.975542239e3, 3, 500},
// meta {0.254991145e4, 0.0035, 300}, // region 2
// meta {0.333568375e4, 0.0035, 700},
{0.263149474e4, 30, 700},
// {0.276881115e4, 1, 450}, // region 2 metastable-vapour
// {0.274015123e4, 1, 440},
// {0.272134539e4, 1.5, 450},
{0.521976855e4, 0.5, 1500}, // region 5
{0.516723514e4, 30, 1500},
{0.657122604e4, 30, 2000}
};
for (double[] x : X) {
System.out.println("region: " + Region.getRegionPT(x[1], x[2]).getName());
assertEquals(x[0], if97.specificEnthalpyPT(x[1], x[2]), tol);
}
}