FlowDevice.cpp

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//! @file FlowDevice.cpp
 
// This file is part of Cantera. See License.txt in the top-level directory or
// at https://cantera.org/license.txt for license and copyright information.
 
#include "cantera/zeroD/FlowDevice.h"
#include "cantera/zeroD/ReactorBase.h"
#include "cantera/thermo/ThermoPhase.h"
#include "cantera/numerics/Func1.h"
 
namespace Cantera
{
 
FlowDevice::FlowDevice(shared_ptr<ReactorBase> r0, shared_ptr<ReactorBase> r1,
                       const string& name) : ConnectorNode(r0, r1, name)
{
    if (!m_nodes.first || !m_nodes.second) {
        throw CanteraError("FlowDevice::FlowDevice",
            "Reactors must be provided to FlowDevice constructor.");
    }
    m_in = r0.get();
    m_out = r1.get();
    m_in->addOutlet(*this);
    m_out->addInlet(*this);
 
    // construct adapters between inlet and outlet species
    const ThermoPhase& mixin = *m_in->phase()->thermo();
    const ThermoPhase& mixout = *m_out->phase()->thermo();
 
    m_nspin = mixin.nSpecies();
    m_nspout = mixout.nSpecies();
    string nm;
    size_t ki, ko;
    for (ki = 0; ki < m_nspin; ki++) {
        nm = mixin.speciesName(ki);
        ko = mixout.speciesIndex(nm, false);
        m_in2out.push_back(ko);
    }
    for (ko = 0; ko < m_nspout; ko++) {
        nm = mixout.speciesName(ko);
        ki = mixin.speciesIndex(nm, false);
        m_out2in.push_back(ki);
    }
}
 
double FlowDevice::evalPressureFunction()
{
    double delta_P = in().pressure() - out().pressure();
    if (m_pfunc) {
        return m_pfunc->eval(delta_P);
    }
    return delta_P;
}
 
double FlowDevice::evalTimeFunction()
{
    if (m_tfunc) {
        return m_tfunc->eval(m_time);
    }
    return 1.;
}
 
double FlowDevice::outletSpeciesMassFlowRate(size_t k)
{
    if (k >= m_nspout) {
        return 0.0;
    }
    size_t ki = m_out2in[k];
    if (ki == npos) {
        return 0.0;
    }
    return m_mdot * m_in->massFraction(ki);
}
 
double FlowDevice::enthalpy_mass()
{
    return m_in->enthalpy_mass();
}
 
}