Esempio n. 1
0
void MineralEQ3::initThermoXML(XML_Node& phaseNode, const std::string& id_)
{
    /*
     * Find the Thermo XML node
     */
    if (!phaseNode.hasChild("thermo")) {
        throw CanteraError("HMWSoln::initThermoXML",
                           "no thermo XML node");
    }

    std::vector<const XML_Node*> xspecies = speciesData();
    const XML_Node* xsp = xspecies[0];

    XML_Node* aStandardState = 0;
    if (xsp->hasChild("standardState")) {
        aStandardState = &xsp->child("standardState");
    } else {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "no standard state mode");
    }
    doublereal volVal = 0.0;
    string smodel = (*aStandardState)["model"];
    if (smodel != "constantVolume") {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "wrong standard state mode");
    }
    if (aStandardState->hasChild("V0_Pr_Tr")) {
        XML_Node& aV = aStandardState->child("V0_Pr_Tr");
        string Aunits = "";
        double Afactor = toSI("cm3/gmol");
        if (aV.hasAttrib("units")) {
            Aunits = aV.attrib("units");
            Afactor = toSI(Aunits);
        }
        volVal = ctml::getFloat(*aStandardState, "V0_Pr_Tr");
        m_V0_pr_tr= volVal;
        volVal *= Afactor;
        m_speciesSize[0] = volVal;
    } else {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "wrong standard state mode");
    }
    doublereal rho = molecularWeight(0) / volVal;
    setDensity(rho);

    const XML_Node& sThermo = xsp->child("thermo");
    const XML_Node& MinEQ3node = sThermo.child("MinEQ3");


    m_deltaG_formation_pr_tr =
        ctml::getFloatDefaultUnits(MinEQ3node, "DG0_f_Pr_Tr", "cal/gmol", "actEnergy");
    m_deltaH_formation_pr_tr =
        ctml::getFloatDefaultUnits(MinEQ3node, "DH0_f_Pr_Tr", "cal/gmol", "actEnergy");
    m_Entrop_pr_tr = ctml::getFloatDefaultUnits(MinEQ3node, "S0_Pr_Tr", "cal/gmol/K");
    m_a = ctml::getFloatDefaultUnits(MinEQ3node, "a", "cal/gmol/K");
    m_b = ctml::getFloatDefaultUnits(MinEQ3node, "b", "cal/gmol/K2");
    m_c = ctml::getFloatDefaultUnits(MinEQ3node, "c", "cal-K/gmol");

    convertDGFormation();
}
Esempio n. 2
0
doublereal Phase::elementalMassFraction(const size_t m) const
{
    checkElementIndex(m);
    doublereal Z_m = 0.0;
    for (size_t k = 0; k != m_kk; ++k) {
        Z_m += nAtoms(k, m) * atomicWeight(m) / molecularWeight(k)
            * massFraction(k);
    }
    return Z_m;
}
Esempio n. 3
0
/*
 * setSolvent():
 *  Utilities for Solvent ID and Molality
 *  Here we also calculate and store the molecular weight
 *  of the solvent and the m_Mnaught parameter.
 *  @param k index of the solvent.
 */
void MolalityVPSSTP::setSolvent(size_t k)
{
    if (k >= m_kk) {
        throw CanteraError("MolalityVPSSTP::setSolute ",
                           "bad value");
    }
    m_indexSolvent = k;
    AssertThrowMsg(m_indexSolvent==0, "MolalityVPSSTP::setSolvent",
                   "Molality-based methods limit solvent id to being 0");
    m_weightSolvent = molecularWeight(k);
    m_Mnaught = m_weightSolvent / 1000.;
}
Esempio n. 4
0
 /*
  * cv_mole():
  *
  *  Molar heat capacity at constant volume of the mixture. 
  *  Units: J/kmol/K. 
  *
  *  For single species, we go directory to the 
  *  general Cp - Cv relation
  *
  *  Cp = Cv + alpha**2 * V * T / beta
  *
  * where 
  *     alpha = volume thermal expansion coefficient
  *     beta  = isothermal compressibility
  */
 doublereal SingleSpeciesTP::cv_mole() const {
   doublereal cvbar = cp_mole();
   doublereal alpha = thermalExpansionCoeff();
   doublereal beta = isothermalCompressibility();
   doublereal molecW = molecularWeight(0);
   doublereal V = molecW/density();
   doublereal T = temperature();
   if (beta != 0.0) {
     cvbar -= alpha * alpha * V * T / beta;
   }
   return cvbar;
 }
Esempio n. 5
0
void MineralEQ3::initThermoXML(XML_Node& phaseNode, const std::string& id_)
{
    // Find the Thermo XML node
    if (!phaseNode.hasChild("thermo")) {
        throw CanteraError("HMWSoln::initThermoXML",
                           "no thermo XML node");
    }

    const XML_Node* xsp = speciesData()[0];

    XML_Node* aStandardState = 0;
    if (xsp->hasChild("standardState")) {
        aStandardState = &xsp->child("standardState");
    } else {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "no standard state mode");
    }
    doublereal volVal = 0.0;
    if (aStandardState->attrib("model") != "constantVolume") {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "wrong standard state mode");
    }
    if (aStandardState->hasChild("V0_Pr_Tr")) {
        XML_Node& aV = aStandardState->child("V0_Pr_Tr");
        double Afactor = toSI("cm3/gmol");
        if (aV.hasAttrib("units")) {
            Afactor = toSI(aV.attrib("units"));
        }
        volVal = getFloat(*aStandardState, "V0_Pr_Tr");
        m_V0_pr_tr= volVal;
        volVal *= Afactor;
    } else {
        throw CanteraError("MineralEQ3::initThermoXML",
                           "wrong standard state mode");
    }
    setDensity(molecularWeight(0) / volVal);

    const XML_Node& MinEQ3node = xsp->child("thermo").child("MinEQ3");

    m_deltaG_formation_pr_tr =
        getFloat(MinEQ3node, "DG0_f_Pr_Tr", "actEnergy") / actEnergyToSI("cal/gmol");
    m_deltaH_formation_pr_tr =
        getFloat(MinEQ3node, "DH0_f_Pr_Tr", "actEnergy") / actEnergyToSI("cal/gmol");
    m_Entrop_pr_tr = getFloat(MinEQ3node, "S0_Pr_Tr", "toSI") / toSI("cal/gmol/K");
    m_a = getFloat(MinEQ3node, "a", "toSI") / toSI("cal/gmol/K");
    m_b = getFloat(MinEQ3node, "b", "toSI") / toSI("cal/gmol/K2");
    m_c = getFloat(MinEQ3node, "c", "toSI") / toSI("cal-K/gmol");

    convertDGFormation();
}
Esempio n. 6
0
doublereal SingleSpeciesTP::cv_mole() const
{
    /*
     *  For single species, we go directory to the general Cp - Cv relation
     *
     *  Cp = Cv + alpha**2 * V * T / beta
     *
     * where
     *     alpha = volume thermal expansion coefficient
     *     beta  = isothermal compressibility
     */
    doublereal cvbar = cp_mole();
    doublereal alpha = thermalExpansionCoeff();
    doublereal beta = isothermalCompressibility();
    doublereal V = molecularWeight(0)/density();
    doublereal T = temperature();
    if (beta != 0.0) {
        cvbar -= alpha * alpha * V * T / beta;
    }
    return cvbar;
}
Esempio n. 7
0
void SingleSpeciesTP::getStandardVolumes(doublereal* vbar) const
{
    vbar[0] = molecularWeight(0) / density();
}
Esempio n. 8
0
void SingleSpeciesTP::getPartialMolarVolumes(doublereal* vbar) const
{
    vbar[0] = molecularWeight(0) / density();
}
Esempio n. 9
0
 OSOptionalQuantity Gas_Impl::getMolecularWeight(bool returnIP) const {
   OptionalDouble value = molecularWeight();
   return getQuantityFromDouble(OS_WindowMaterial_GasFields::MolecularWeight, value, returnIP);
 }
Esempio n. 10
0
 /**
  * Get the molar volumes of each species in their standard
  * states at the current
  * <I>T</I> and <I>P</I> of the solution.
  * units = m^3 / kmol
  *
  * We resolve this function at this level, by assigning 
  * the molec weight divided by the phase density
  */
 void SingleSpeciesTP::getStandardVolumes(doublereal* vbar) const {
   double mw = molecularWeight(0);
   double dens = density();
   vbar[0] = mw / dens;
 }