public void TestHenrysLawScenario()
{
MaterialType mt = m_brs.MyMaterialCatalog["Hydrazine"];
double temperature = 35 + K.CELSIUS_TO_KELVIN;
double vp = VaporPressureCalculator.ComputeVaporPressure(mt, temperature, TemperatureUnits.Kelvin, PressureUnits.Pascals);
double svp = (double)m_computedVaporPressureInPascals[mt.Name];
double pctError = Math.Abs(vp - svp) / Math.Max(vp, svp);
string msg = string.Format("Computed VP({0}) at {1:F2} deg C was {2:F2}, refData was {3:F2}, for a {4:F2} percent error.", mt.Name, temperature, vp, svp, pctError * 100);
_Debug.WriteLine(msg);
_Debug.Assert(pctError < 0.01, "Vapor Pressure", mt.Name + " Vapor Pressure at 35 deg C == " + svp + " Pascals");
}
public void TestEmpiricalWaterVaporPressureScenarios()
{
double vp;
MaterialType mt = m_brs.MyMaterialCatalog["Water"];
foreach (double[] row in empiricalVPOfWater)
{
double temperature = row[0] + K.CELSIUS_TO_KELVIN;
//if ( temperature != 35 ) continue;
double empiricalVP = row[1];
empiricalVP = empiricalVP * 1000.0; // kPa -> Pa.
vp = VaporPressureCalculator.ComputeVaporPressure(mt, temperature, TemperatureUnits.Kelvin, PressureUnits.Pascals);
double pctError = Math.Abs(vp - empiricalVP) / Math.Max(vp, empiricalVP);
string msg = string.Format("Computed VP({0}) at {1:F2} deg C was {2:F2}, empirical was {3:F2}, for a {4:F2} percent error.", mt.Name, temperature, vp, empiricalVP, pctError * 100);
_Debug.WriteLine(msg);
_Debug.Assert(pctError < 0.01, "Water Vapor Pressure", "Water Vapor Pressure at " + temperature + " deg C == " + empiricalVP);
}
}
public void TestKnownVaporPressureValues()
{
string[] knownBad = new string[] {}; //"Hydrazine"};
ArrayList untestables = new ArrayList(knownBad);
ArrayList testables = new ArrayList(m_brs.MyMaterialCatalog.MaterialTypes);
foreach (MaterialType mt in testables)
{
if (untestables.Contains(mt.Name))
{
continue;
}
double temperature = 35 + K.CELSIUS_TO_KELVIN;
double vp = VaporPressureCalculator.ComputeVaporPressure(mt, temperature, TemperatureUnits.Kelvin, PressureUnits.Pascals);
double svp = (double)m_computedVaporPressureInPascals[mt.Name];
double pctError = Math.Abs(vp - svp) / Math.Max(vp, svp);
string msg = string.Format("Computed VP({0}) at {1:F2} deg C was {2:F2}, refData was {3:F2}, for a {4:F2} percent error.", mt.Name, temperature, vp, svp, pctError * 100);
_Debug.WriteLine(msg);
_Debug.Assert(pctError < 0.01, "Vapor Pressure", mt.Name + " Vapor Pressure at " + temperature + " deg C == " + svp + " Pascals");
}
}
