// -------------------------------------------------------------------------------------
// !!! PRIVATE METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// Adds a new measurement, taken at time t, to the lists.
/// </summary>
/// <param name="t">simulation time in days</param>
/// <param name="value">an array of physical values measured at that time</param>
private void addMeasurement(double t, physValue[] value)
{
double last_t = 0;
if (time.Count > 0)
{
last_t = time[time.Count - 1];
}
physValue[] last_signals;
if (values.Count > 0)
{
last_signals = values[values.Count - 1];
}
else // init with 0 elements, needed below in if of getNoisyMeasurement
{
last_signals = new physValue[0];
}
values.Add(value); // just add value to list
// add noisy value to list
values_noise.Add(sensor_config.getNoisyMeasurement(t, last_t, value, last_signals, myConfigs));
time.Add(t); // add current time to time vector
}
// diese überladung dürfte nicht benötigt werden, da in sensor dies überladung existiert
// ruft die methode unten für noisy= false auf
///// <summary>
///// Get value at time t of measured variable with the id: param
///// </summary>
///// <param name="param">id of the variable, the correct values of the
///// ids are defined inside this function
///// ids are: H2_%, CH4_%, CO2_%, and biogas_m3_d</param>
///// <param name="t">some simulation time [days]</param>
///// <returns>measured values at time t for given param</returns>
///// <exception cref="exception">Unknown param</exception>
//override public physValue getMeasurementAt(string param, double t)
//{
// return getMeasurementAt(param, t, false);
//}
/// <summary>
/// Get value at time t of measured variable with the id: param
/// </summary>
/// <param name="param">id of the variable, the correct values of the
/// ids are defined inside this function
/// ids are: H2_%, CH4_%, CO2_%, and biogas_m3_d</param>
/// <param name="t">some simulation time [days]</param>
/// <param name="noisy">if true, then noisy measurement values are returned.
/// they are only noisy if the parameter apply_real_sensor was true before and during
/// the simulation</param>
/// <returns>measured values at time t for given param</returns>
/// <exception cref="exception">Unknown param</exception>
override public physValue getMeasurementAt(string param, double t, bool noisy)
{
switch (param)
{
// TODO : überarbeiten!!!
case "H2_%":
return(getMeasurementAt((int)BioGas.n_gases + BioGas.pos_h2 - 1, t, noisy));
case "CH4_%":
return(getMeasurementAt((int)BioGas.n_gases + BioGas.pos_ch4 - 1, t, noisy));
case "CO2_%":
return(getMeasurementAt((int)BioGas.n_gases + BioGas.pos_co2 - 1, t, noisy));
case "biogas_m3_d":
physValue[] values = getMeasurementVectorAt(t, noisy);
physValue myValue = values[0];
for (int igas = 0; igas < (int)BioGas.n_gases; igas++)
{
myValue = myValue + values[igas];
}
myValue.Symbol = "biogas";
return(myValue);
default:
throw new exception(String.Format("biogas_sensor: Unknown param: {0}!", param));
}
}
/// <summary>
/// type 7
///
/// called in ADMstate_stoichiometry.cs -> measure_type7
/// </summary>
/// <param name="x">ADM state vector - not used</param>
/// <param name="myPlant"></param>
/// <param name="mySubstrates">not yet used</param>
/// <param name="mySensors">used to get TS inside digester</param>
/// <param name="Q">not used</param>
/// <param name="par">not used</param>
/// <returns>measured values</returns>
override protected physValue[] doMeasurement(double[] x, biogas.plant myPlant,
biogas.substrates mySubstrates,
biogas.sensors mySensors,
double[] Q, params double[] par)
{
// 1st Pel in kWh/d for mixing digester
// 2nd Pdissipated in kWh/d for mixing digester, dissipated in digester
physValue[] values = new physValue[dimension];
//
digester myDigester = myPlant.getDigesterByID(id_suffix);
// calc stirrer(s) power for digester in kWh/d
values[0] = myDigester.calcStirrerPower(mySensors);
// calc stirrer(s) power dissipated to digester in kWh/d
values[1] = myDigester.calcStirrerDissipation(mySensors);
values[0].Label = "electrical energy of stirrer";
values[1].Label = "thermal energy dissipated by stirrer";
//
return(values);
}
/// <summary>
/// Calculates the extended buswell equation for the given molecule.
/// Calculates CH4, CO2, NH3 and H2S in "mol gas / mol molecule"
/// </summary>
/// <param name="c">mol C / mol molecule</param>
/// <param name="h">mol H / mol molecule</param>
/// <param name="o">mol O / mol molecule</param>
/// <param name="n">mol N / mol molecule</param>
/// <param name="s">mol S / mol molecule</param>
/// <param name="ch4">CH4 in "mol gas / mol molecule"</param>
/// <param name="co2">CO2 in "mol gas / mol molecule"</param>
/// <param name="nh3">NH3 in "mol gas / mol molecule"</param>
/// <param name="h2s">H2S in "mol gas / mol molecule"</param>
public static void buswell_extended(physValue c, physValue h, physValue o,
physValue n, physValue s,
out physValue ch4, out physValue co2,
out physValue nh3, out physValue h2s)
{
ch4 = c / 2 + h / 8 - o / 4 - 3 * n / 8 - s / 4;
ch4.Symbol = "ch4";
ch4.Label = String.Format("mol CH4 / mol C{0}H{1}O{2}N{3}S{4} (fermentation)",
c.Value, h.Value, o.Value, n.Value, s.Value);
co2 = c / 2 - h / 8 + o / 4 + 3 * n / 8 + s / 4;
co2.Symbol = "co2";
co2.Label = String.Format("mol CO2 / mol C{0}H{1}O{2}N{3}S{4} (fermentation)",
c.Value, h.Value, o.Value, n.Value, s.Value);
nh3 = n;
nh3.Symbol = "nh3";
nh3.Label = String.Format("mol NH3 / mol C{0}H{1}O{2}N{3}S{4} (fermentation)",
c.Value, h.Value, o.Value, n.Value, s.Value);
h2s = s;
h2s.Symbol = "h2s";
h2s.Label = String.Format("mol H2S / mol C{0}H{1}O{2}N{3}S{4} (fermentation)",
c.Value, h.Value, o.Value, n.Value, s.Value);
}
/// <summary>
/// Calculates the organic loading rate of the digester.
/// Assumption that Q and Qsum is measured in m^3/d.
///
/// As a reference see:
///
/// Handreichung Biogasgewinnung und -nutzung: Grundlagen der anaeroben
/// Fermentation, S. 29.
///
/// </summary>
/// <param name="x">digester state vector</param>
/// <param name="mySubstrates">
/// substrates or sludge but not both!!! Because TS content is calculated
/// out of COD in digester. If there is a mixture of substrate and sludge going
/// into the digester, then the COD is aleardy decreased by the sludge, so no need
/// to account for the lower TS of the sludge here.
/// TODO: hier sollten es beide sein!
/// </param>
/// <param name="Q">
/// Q of the substrates or sludge, but not both!
/// TODO: hier sollten es beide sein!
/// </param>
/// <param name="Qsum">
/// if there is sludge and substrate going into the digester, then Qsum will be
/// bigger then math.sum(Q). Qsum is needed to account for full volumeflow
/// going into the digester no matter if substrate or sludge.
/// TODO: nach Änderung, dass Q alle feed enthält, ist Qsum= sum(Q)
/// kann also als Parameter entfernt werden
/// </param>
/// <returns></returns>
public physValue calcOLR(double[] x, substrates mySubstrates, double[] Q, double Qsum)
{
physValue Vliq = this.Vliq;
physValue TS;
// TODO
// was mache ich hier!!!! ???????????????????
// warum nehme ich nicht einfach VS aus den Substraten???
physValue VS;//= calcVS(x, mySubstrates, Q, out TS);
mySubstrates.get_weighted_mean_of(Q, "VS", out VS);
mySubstrates.get_weighted_mean_of(Q, "TS", out TS);
VS = biogas.substrate.convertFrom_TS_To_FM(VS, TS);
VS = VS.convertUnit("100 %");
physValue rho;
mySubstrates.get_weighted_mean_of(Q, "rho", out rho);
// hier wird die Annahme gemacht, dass rho von schlamm gleich ist
// wie rho der substrate, aber egal (TODO)
// evtl. wäre es besser gemessenes rho aus density_sensor zu nehmen
// das ist dichte des inputs in den fermenter (Gemisch aus substrate und rezischlamm)
physValue OLR = new physValue(Qsum, "m^3/d") * rho * VS / Vliq;
OLR.Symbol = "OLR";
return(OLR);
}
/// <summary>
/// Returns C, H, O and N content of molecule. mol / molecule
/// </summary>
/// <param name="molecule">string of molecule</param>
/// <param name="C">mol C / mol molecule</param>
/// <param name="H">mol H / mol molecule</param>
/// <param name="O">mol O / mol molecule</param>
/// <param name="N">mol N / mol molecule</param>
/// <exception cref="exception">Unknown molecule</exception>
public static void get_CHON_of(string molecule, out physValue C, out physValue H,
out physValue O, out physValue N)
{
physValue S;
get_CHONS_of(molecule, out C, out H, out O, out N, out S);
}
/// <summary>
/// Set two physValues to the given value. Only the Value of the given values is
/// set, so you must make sure that the unit and the rest is ok
/// </summary>
/// <param name="sym1">1st parameter to be set</param>
/// <param name="val1">value of 1st parameter to be set</param>
/// <param name="sym2">2nd parameter to be set</param>
/// <param name="val2">value of 2nd parameter to be set</param>
/// <exception cref="exception">Unknown parameter</exception>
public void set_params_of(string sym1, physValue val1,
string sym2, physValue val2)
{
object[] values = { sym1, val1.Value, sym2, val2.Value };
this.set_params_of(values);
}
/// <summary>
/// Calculates energy flow needed to get the thermal power pP_loss
/// from the heating.
/// </summary>
/// <param name="pP_loss">thermal power loss</param>
/// <param name="P_loss_kW">thermal or electrical power</param>
/// <param name="P_loss_kWh_d">thermal or electrical energy per day</param>
/// <exception cref="exception">efficiency is zero, division by zero</exception>
/// <exception cref="exception">heating failed</exception>
public void compensateHeatLoss(physValue pP_loss,
out physValue P_loss_kW, out physValue P_loss_kWh_d)
{
if (eta == 0)
{
throw new exception("electrical/thermal degree of efficiency of the heating: eta == 0");
}
try
{
if (status)
{
physValue P_loss = pP_loss / eta;
P_loss.Symbol = "Ploss";
P_loss_kW = P_loss.convertUnit("kW");
}
else
{
P_loss_kW = new physValue("Ploss", 0, "kW");
}
P_loss_kWh_d = P_loss_kW.convertUnit("kWh/d");
}
catch (exception e)
{
Console.WriteLine(e.Message);
throw new exception("compensateHeatLoss: heating failed!");
}
}
// -------------------------------------------------------------------------------------
// !!! PROTECTED METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// Calculates faecal bacteria removal capacity of the digester, measured in %
///
/// type 0 aktuell type 1
/// </summary>
/// <param name="x">ADM state vector</param>
/// <param name="par">HRT of the digester in m^3, temperature inside the digester in °C</param>
/// <returns>measured faecal bacteria removal capacity in %</returns>
override protected physValue[] doMeasurement(double[] x, params double[] par)
{
physValue[] values = new physValue[dimension];
if (par.Length != 2)
{
throw new exception(String.Format(
"Length of params is != 2: {0}!", par.Length));
}
double HRT = par[0];
double T = par[1];
if (HRT == 0)
{
throw new exception("HRT == 0");
}
// intestinal enterococci
values[0] = new physValue("eta_IE", 98.29 - 2.2 * Math.Pow(1 / HRT, 2) + 0.031 * T, "%");
// faecal coliforms
values[1] = new physValue("eta_FC", 98.29 - 1.0 * Math.Pow(1 / HRT, 2) + 0.031 * T, "%");
return(values);
}
// -------------------------------------------------------------------------------------
// !!! CONSTRUCTOR METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// Standard Constructor sets default values of ADM parameters
/// </summary>
/// <param name="T">digester temperature in °C</param>
public ADM(physValue T)
{
T = T.convertUnit("°C");
// set default parameter values
setDefaultParams(T.Value);
}
// -------------------------------------------------------------------------------------
// !!! PUBLIC METHODS !!!
// -------------------------------------------------------------------------------------
///// <summary>
///// Calculates energy flow needed to heat the substrate flows Q
///// up to the temperature Tend. The volumeflows Q are assumed to
///// be measured in m^3/d
///// </summary>
///// <param name="Q">array of volumeflows of the substrates in [m³/d]</param>
///// <param name="mySubstrates"></param>
///// <param name="Tend"></param>
///// <param name="Pel_kWh_d">thermal or electrical energy per day</param>
///// <param name="Pel_kW">thermal or electrical power</param>
///// <exception cref="exception">Q.Length != mySubstrates.Count</exception>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void heatSubstrates(double[] Q, substrates mySubstrates,
// physValue Tend, out physValue Pel_kWh_d,
// out physValue Pel_kW)
//{
// physValue[] pQ= new physValue[Q.Length];
// for (int iel= 0; iel < Q.Length; iel++)
// pQ[iel]= new physValue("Q", Q[iel], "m^3/d");
// heatSubstrates(pQ, mySubstrates, Tend, out Pel_kWh_d, out Pel_kW);
//}
///// <summary>
///// Calculates energy flow needed to heat the substrate flows Q
///// up to the temperature Tend. The volumeflows Q are assumed to
///// be measured in m^3/d
///// </summary>
///// <param name="Q">array of volumeflows of the substrates in [m³/d]</param>
///// <param name="mySubstrates"></param>
///// <param name="Tend"></param>
///// <param name="Pel_kWh_d">thermal or electrical energy per day</param>
///// <exception cref="exception">Q.Length != mySubstrates.Count</exception>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void heatSubstrates(double[] Q, substrates mySubstrates,
// physValue Tend, out physValue Pel_kWh_d)
//{
// physValue[] pQ = new physValue[Q.Length];
// for (int iel = 0; iel < Q.Length; iel++)
// pQ[iel] = new physValue("Q", Q[iel], "m^3/d");
// heatSubstrates(pQ, mySubstrates, Tend, out Pel_kWh_d);
//}
///// <summary>
///// Calculates energy flow needed to heat the substrate flows Q
///// up to the temperature Tend.
///// </summary>
///// <param name="Q"></param>
///// <param name="mySubstrates"></param>
///// <param name="Tend"></param>
///// <param name="Pel_kWh_d">thermal or electrical energy per day</param>
///// <param name="Pel_kW">thermal or electrical power</param>
///// <exception cref="exception">Q.Length != mySubstrates.Count</exception>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void heatSubstrates(physValue[] Q, substrates mySubstrates,
// physValue Tend, out physValue Pel_kWh_d,
// out physValue Pel_kW)
//{
// physValue Qtherm_day=
// mySubstrates.calcSumQuantityOfHeatPerDay(Q, Tend);
// heatSubstrate(Qtherm_day, out Pel_kWh_d, out Pel_kW);
//}
///// <summary>
///// Calculates energy flow needed to heat the substrate flows Q
///// up to the temperature Tend.
///// </summary>
///// <param name="Q"></param>
///// <param name="mySubstrates"></param>
///// <param name="Tend"></param>
///// <param name="Pel_kWh_d">thermal or electrical energy per day</param>
///// <exception cref="exception">Q.Length != mySubstrates.Count</exception>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void heatSubstrates(physValue[] Q, substrates mySubstrates,
// physValue Tend, out physValue Pel_kWh_d)
//{
// physValue Qtherm_day =
// mySubstrates.calcSumQuantityOfHeatPerDay(Q, Tend);
// heatSubstrate(Qtherm_day, out Pel_kWh_d);
//}
///// <summary>
///// Calculates energy flow needed to get the thermal energy/day pQtherm_day
///// from the heating.
///// </summary>
///// <param name="pQtherm_day"></param>
///// <param name="Pel_kWh_d">thermal or electrical energy per day</param>
///// <param name="Pel_kW">thermal or electrical power</param>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void heatSubstrate(physValue pQtherm_day, out physValue Pel_kWh_d,
// out physValue Pel_kW)
//{
// heatSubstrate(pQtherm_day, out Pel_kWh_d);
// Pel_kW = Pel_kWh_d.convertUnit("kW");
//}
///// <summary>
///// Calculates energy flow needed to get the thermal energy/day pQtherm_day
///// from the heating.
///// </summary>
///// <param name="pQtherm_day"></param>
///// <param name="Pel_kWh_d">thermal or electrical energy per day</param>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void heatSubstrate(physValue pQtherm_day, out physValue Pel_kWh_d)
//{
// if (status)
// {
// physValue Qtherm_day= pQtherm_day.convertUnit("kWh/d");
// if (eta != 0)
// {
// Pel_kWh_d= Qtherm_day / eta;
// Pel_kWh_d.Symbol= "Pel_sub";
// }
// else
// throw new exception("electrical degree of efficiency of the heating: eta == 0");
// }
// else
// {
// Pel_kWh_d= new physValue("Pel", 0, "kWh/d");
// }
//}
///// <summary>
///// Calculates energy flow needed to get the thermal power pP_radiation_loss
///// from the heating.
///// </summary>
///// <param name="pP_radiation_loss"></param>
///// <param name="P_radiation_loss_kW">thermal or electrical power</param>
///// <param name="P_radiation_loss_kWh_d">thermal or electrical energy per day</param>
///// <exception cref="exception">efficiency is zero, division by zero</exception>
//public void compensateHeatLossDueToRadiation(physValue pP_radiation_loss,
// out physValue P_radiation_loss_kW,
// out physValue P_radiation_loss_kWh_d)
//{
// if (eta == 0)
// throw new exception("electrical degree of efficiency of the heating: eta == 0");
// if (status)
// {
// physValue P_radiation_loss= pP_radiation_loss / eta;
// P_radiation_loss.Symbol= "Pel_rad";
// P_radiation_loss_kW= P_radiation_loss.convertUnit("kW");
// }
// else
// {
// P_radiation_loss_kW= new physValue("Pel", 0, "kW");
// }
// P_radiation_loss_kWh_d= P_radiation_loss_kW.convertUnit("kWh/d");
//}
/// <summary>
/// Calculates costs for heating the digester in €/d. in case of a thermal heating
/// costs are lost gain which we had if we sell the thermal energy. In case
/// of an electrical heating it is the cost producing the electrical energy.
/// </summary>
/// <param name="pP_loss">thermal power loss</param>
/// <param name="sell_heat">€/kWh for selling thermal energy, this is a virtual price here
/// missed gain, needed for a thermal heating</param>
/// <param name="cost_elEnergy">costs for electricity in €/kWh, needed if we have a electrical
/// heating</param>
/// <param name="P_loss_kW">thermal or electrical power</param>
/// <param name="P_loss_kWh_d">thermal or electrical energy per day</param>
/// <returns>costs in €/d</returns>
/// <exception cref="exception">efficiency is zero, division by zero</exception>
public double calcCostsForHeating(physValue pP_loss, double sell_heat, double cost_elEnergy,
out physValue P_loss_kW, out physValue P_loss_kWh_d)
{
compensateHeatLoss(pP_loss, out P_loss_kW, out P_loss_kWh_d);
// falls im fermenter th. energie produziert wird, mehr als verbraucht, dann
// sind kosten == 0, man kann diese thermische energie nicht verkaufen, also kein
// gewinn machen
if (pP_loss.Value < 0)
{
return(0);
}
switch (type)
{
case 0: // electrical heating
return(P_loss_kWh_d.Value * cost_elEnergy); // €
case 1: // thermal heating
return(P_loss_kWh_d.Value * sell_heat); // €
default:
throw new exception(String.Format("Unknown heating type: {0}", type));
}
}
/// <summary>
/// Calculates the f-Factor: fXI_Xc, defining the fraction of particulate inerts in
/// composites Xc
/// </summary>
/// <param name="pADL">ADL</param>
/// <param name="pNDF">NDF</param>
/// <param name="pVS">VS</param>
/// <param name="pD_VS">degradation level</param>
/// <returns>fXI_Xc</returns>
/// <exception cref="exception">value out of bounds</exception>
public static double calcfXI_Xc(physValue pADL, physValue pNDF,
physValue pVS, physValue pD_VS)
{
physValue ADL = pADL.convertUnit("% TS");
physValue NDF = pNDF.convertUnit("% TS");
physValue VS = pVS.convertUnit("% TS");
physValue D_VS = pD_VS.convertUnit("100 %");
double d = calc_d(ADL, NDF, D_VS, VS);
physValue pfXI_Xc;
if (VS.Value > 0)
{
pfXI_Xc = (ADL + (1 - d) * (NDF - ADL)) / VS;
}
else
{
pfXI_Xc = new physValue(0, "-");
}
// 0.8 ist Test, noch nicht in thesis, s.u. fSI_XC, da steht 0.2f
double fXI_Xc = pfXI_Xc.Value;// *0.6f;
if (fXI_Xc < 0 || fXI_Xc > 1)
{
throw new exception(String.Format("fXI_Xc is out of bounds [0,1]: {0}!",
fXI_Xc));
}
return(fXI_Xc);
}
/// <summary>
/// Calculates the f-Factor: fPr_Xc, defining the fraction of proteins in
/// composites Xc
/// </summary>
/// <param name="pRP">RP</param>
/// <param name="pVS">VS</param>
/// <returns>fPr_Xc</returns>
/// <exception cref="exception">value out of bounds</exception>
public static double calcfPr_Xc(physValue pRP, physValue pVS)
{
physValue RP = pRP.convertUnit("% TS");
physValue VS = pVS.convertUnit("% TS");
physValue pfPr_Xc;
if (VS.Value > 0)
{
pfPr_Xc = RP / VS;
}
else
{
pfPr_Xc = new physValue(0, "-");
}
double fPr_Xc = pfPr_Xc.Value;
if (fPr_Xc < 0 || fPr_Xc > 1)
{
throw new exception(String.Format("fPr_Xc is out of bounds [0,1]: {0}!",
fPr_Xc));
}
return(fPr_Xc);
}
/// <summary>
/// Calculates the f-Factor: fCh_Xc, defining the fraction of carbohydrates in
/// composites Xc
/// The values given are converted to the correct unit, thus the units
/// of the given values are not important.
/// </summary>
/// <param name="pRF">raw fiber</param>
/// <param name="pNfE">nitrogen free extracts</param>
/// <param name="pADL">acid detergent lignin</param>
/// <param name="pNDF">neutral detergent fiber</param>
/// <param name="pVS">volatile solids</param>
/// <param name="pD_VS">degradation level</param>
/// <returns>fCh_Xc</returns>
/// <exception cref="exception">value out of bounds</exception>
public static double calcfCh_Xc(physValue pRF, physValue pNfE, physValue pADL,
physValue pNDF, physValue pVS, physValue pD_VS)
{
physValue RF = pRF.convertUnit("% TS");
physValue NfE = pNfE.convertUnit("% TS");
physValue ADL = pADL.convertUnit("% TS");
physValue NDF = pNDF.convertUnit("% TS");
physValue VS = pVS.convertUnit("% TS");
physValue D_VS = pD_VS.convertUnit("100 %");
double d = calc_d(ADL, NDF, D_VS, VS);
physValue pfCh_Xc;
if (VS.Value > 0)
{
pfCh_Xc = (calcNFC(RF, NfE, NDF) + d * (NDF - ADL)) / VS;
}
else
{
pfCh_Xc = new physValue(0, "-");
}
double fCh_Xc = pfCh_Xc.Value;
if (fCh_Xc < 0 || fCh_Xc > 1)
{
throw new exception(String.Format("fCh_Xc is out of bounds [0,1]: {0}!",
fCh_Xc));
}
return(fCh_Xc);
}
/// <summary>
/// Returns O content of molecule. mol O / molecule
/// </summary>
/// <param name="molecule">string of molecule</param>
/// <param name="O">mol O / mol molecule</param>
/// <exception cref="exception">Unknown molecule</exception>
public static void get_O_of(string molecule, out physValue O)
{
physValue H;
physValue C;
get_CHO_of(molecule, out C, out H, out O);
}
/// <summary>
/// Combusts the chemical formula C_cH_hO_oN_n.
/// Calculates O2, CO2, H2O and NH3 in mol/mol
/// </summary>
/// <param name="c">mol C in molecule</param>
/// <param name="h">mol H in molecule</param>
/// <param name="o">mol O in molecule</param>
/// <param name="n">mol N in molecule</param>
/// <param name="o2">mol O2 oxydized in the reaction</param>
/// <param name="co2">mol CO2 created during combustion</param>
/// <param name="h2o">mol H2O created during combustion</param>
/// <param name="nh3">mol NH3 created during combustion</param>
public static void combust(physValue c, physValue h, physValue o, physValue n,
out physValue o2, out physValue co2, out physValue h2o,
out physValue nh3)
{
// in meinem PDF steht hier fehlerhaft + o/2, muss - o/2 sein, sonst geht O Bilanz nicht auf
o2 = c + h / 4f - o / 2f - 3f * n / 4f;
co2 = c;
h2o = h / 2f - 3f * n / 2f;
nh3 = n;
o2.Symbol = "o2";
o2.Label = String.Format("mol molecular oxygen / mol C{0}H{1}O{2}N{3} (combustion)",
c.Value, h.Value, o.Value, n.Value);
co2.Symbol = "co2";
co2.Label = String.Format("mol carbon dioxide / mol C{0}H{1}O{2}N{3} (combustion)",
c.Value, h.Value, o.Value, n.Value);
h2o.Symbol = "o2";
h2o.Label = String.Format("mol water / mol C{0}H{1}O{2}N{3} (combustion)",
c.Value, h.Value, o.Value, n.Value);
nh3.Symbol = "nh3";
nh3.Label = String.Format("mol ammonia / mol C{0}H{1}O{2}N{3} (combustion)",
c.Value, h.Value, o.Value, n.Value);
}
/// <summary>
/// Returns C, H and O content of molecule. mol / molecule
/// </summary>
/// <param name="molecule">string of molecule</param>
/// <param name="C">mol C / mol molecule</param>
/// <param name="H">mol H / mol molecule</param>
/// <param name="O">mol O / mol molecule</param>
/// <exception cref="exception">Unknown molecule</exception>
public static void get_CHO_of(string molecule, out physValue C, out physValue H,
out physValue O)
{
physValue N;
get_CHON_of(molecule, out C, out H, out O, out N);
}
// -------------------------------------------------------------------------------------
// !!! PUBLIC METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// Combusts the chemical formula C_cH_hO_oN_n.
/// Calculates O2 in mol/mol
/// </summary>
/// <param name="c">mol C in molecule</param>
/// <param name="h">mol H in molecule</param>
/// <param name="o">mol O in molecule</param>
/// <param name="n">mol N in molecule</param>
/// <param name="o2">mol O2 oxydized in the reaction</param>
public static void combust(physValue c, physValue h, physValue o, physValue n,
out physValue o2)
{
physValue co2;
combust(c, h, o, n, out o2, out co2);
}
/// <summary>
/// aktuell type 4
/// </summary>
/// <param name="myPlant"></param>
/// <param name="u">Qin in m³/d</param>
/// <param name="par">
/// par[0] is the density of the substrate in kg/m^3
/// </param>
/// <returns></returns>
override protected physValue[] doMeasurement(biogas.plant myPlant,
double u, params double[] par)
{
//
physValue[] values = new physValue[1];
// 1. komponente ist rho als double, unten in density def. dann anstatt
// 1000 einsetzen
if (par.Length != 1) // 2, da rho auch übergeben werden muss
{
throw new exception(String.Format(
"Length of par is != 1: {0}!", par.Length));
}
transportation myTransportations = myPlant.myTransportation;
// get pump from transportation class using id
biogas.substrate_transport mySubsTransport = myTransportations.getSubstrateTransportByID(id_suffix);
// is the energy_per_ton [kWh/t]
double energy_per_ton = mySubsTransport.energy_per_ton;
// calc energy consumption in kWh/d
// hier muss man schon rho der zu fördernden menge kennen
values[0] = new physValue("Pel_trans", u * par[0] / 1000 * energy_per_ton, "kWh/d",
"transport energy");
return(values);
}
/// <summary>
/// Combusts the chemical formula C_cH_hO_oN_n.
/// Calculates O2 and CO2 in mol/mol
/// </summary>
/// <param name="c">mol C in molecule</param>
/// <param name="h">mol H in molecule</param>
/// <param name="o">mol O in molecule</param>
/// <param name="n">mol N in molecule</param>
/// <param name="o2">mol O2 oxydized in the reaction</param>
/// <param name="co2">mol CO2 created during combustion</param>
/// <param name="h2o">mol H2O created during combustion</param>
public static void combust(physValue c, physValue h, physValue o, physValue n,
out physValue o2, out physValue co2, out physValue h2o)
{
physValue nh3;
combust(c, h, o, n, out o2, out co2, out h2o, out nh3);
}
/// <summary>
/// Calculates costs for heating the digester. in case of a thermal heating
/// costs are lost gain which we had if we sell the thermal energy. In case
/// of an electrical heating it is the cost producing the electrical energy.
/// </summary>
/// <param name="pP_loss">thermal power loss</param>
/// <param name="sell_heat">€/kWh for selling thermal energy, this is a virtual price here
/// missed gain, needed for a thermal heating</param>
/// <param name="cost_elEnergy">costs for electricity in €/kWh, needed if we have a electrical
/// heating</param>
/// <returns>costs in €/d</returns>
/// <exception cref="exception">efficiency is zero, division by zero</exception>
public double calcCostsForHeating(physValue pP_loss, double sell_heat, double cost_elEnergy)
{
physValue P_loss_kW, P_loss_kWh_d;
return(heating.calcCostsForHeating(pP_loss, sell_heat, cost_elEnergy,
out P_loss_kW, out P_loss_kWh_d));
}
///// <summary>
///// Calculate thermal power needed to compensate heat loss due ot radiation
///// through the digesters surface.
///// </summary>
///// <param name="digester_id"></param>
///// <param name="T_ambient"></param>
///// <param name="P_radiation_loss_kW"></param>
///// <param name="P_radiation_loss_kWh_d"></param>
//public void compensateHeatLossDueToRadiation(string digester_id,
// physValue T_ambient,
// out physValue P_radiation_loss_kW,
// out physValue P_radiation_loss_kWh_d)
//{
// digester myDigester= get(digester_id);
// myDigester.compensateHeatLossDueToRadiation(T_ambient, out P_radiation_loss_kW,
// out P_radiation_loss_kWh_d);
//}
/// <summary>
/// Calculates costs for heating the digester. in case of a thermal heating
/// costs are lost gain which we had if we sell the thermal energy. In case
/// of an electrical heating it is the cost producing the electrical energy.
/// </summary>
/// <param name="digester_id">digester id</param>
/// <param name="pP_loss">thermal power loss</param>
/// <param name="sell_heat">€/kWh for selling thermal energy, this is a virtual price here
/// missed gain, needed for a thermal heating</param>
/// <param name="cost_elEnergy">costs for electricity in €/kWh, needed if we have a electrical
/// heating</param>
/// <returns>costs in €/d</returns>
/// <exception cref="exception">Unknown digester id</exception>
/// <exception cref="exception">efficiency is zero, division by zero</exception>
public double calcCostsForHeating(string digester_id, physValue pP_loss, double sell_heat,
double cost_elEnergy)
{
digester myDigester = get(digester_id);
return(myDigester.calcCostsForHeating(pP_loss, sell_heat, cost_elEnergy));
}
/// <summary>
/// converts double biogas stream u, given in ppm, % and % to
/// corresponding physValues
/// </summary>
/// <param name="u_rel">n_gases dim vector of h2 in ppm,
/// ch4 in % and co2 in %</param>
/// <returns>u as physValue vector measured in % and ppm resp.</returns>
/// <exception cref="exception">u_rel.Length < _n_gases</exception>
public static physValue[] convert(double[] u_rel)
{
if (u_rel.Length < _n_gases)
{
throw new exception(String.Format(
"The gas stream u has not the right dimension ({0}). Must be >= {1}!",
u_rel.Length, _n_gases));
}
physValue[] values = new physValue[u_rel.Length];
//
for (int igas = 0; igas < u_rel.Length; igas++)
{
if (igas == pos_h2 - 1)
{
values[igas] = new physValue(symGases[igas] + "_t", u_rel[igas], "ppm", labelGases[igas]);
}
else
{
values[igas] = new physValue(symGases[igas] + "_t", u_rel[igas], "%", labelGases[igas]);
}
}
return(values);
}
/// <summary>
/// Calculate thermal/electrical power needed by heating to compensate heat loss in digester.
/// </summary>
/// <param name="digester_id">digester id</param>
/// <param name="Q">substrate feed measured in m^3/d</param>
/// <param name="mySubstrates"></param>
/// <param name="T_ambient">ambient temperature</param>
/// <param name="mySensors"></param>
/// <returns>thermal/electrical energy needed by heating in kWh/d</returns>
/// <exception cref="exception">Unknown digester id</exception>
/// <exception cref="exception">Q.Length != mySubstrates.Count</exception>
/// <exception cref="exception">efficiency is zero, division by zero</exception>
public double calcHeatPower(string digester_id, double[] Q, substrates mySubstrates,
physValue T_ambient, sensors mySensors)
{
digester myDigester = get(digester_id);
return(myDigester.calcHeatPower(Q, mySubstrates, T_ambient, mySensors));
}
/// <summary>
/// calc methane yield [m^3 CH4 / kgVS]
///
/// http://www.bioconverter.com/technology/primer.htm#Methane%20Yield%20%28m3%20CH4%20/%20kg%20VS%20added%29
///
/// if methane yield is high, everything is ok, if it is too low
/// maybe decrease substrate feed, digester could be overburdened
///
/// </summary>
/// <param name="x">ADM state vector</param>
/// <param name="pQ">Q : m^3/d : total feed into the digester</param>
/// <param name="pVS">VS : % TS : volatile solids content of feed</param>
/// <param name="pTS">TS : % FM : total solids content of feed</param>
/// <param name="prho">rho : kg/m^3 : density of feed</param>
/// <returns></returns>
public physValue calcCH4Yield(double[] x, physValue pQ, physValue pVS,
physValue pTS, physValue prho)
{
physValue Qgas_h2, Qgas_ch4;
ADMstate.calcBiogasOfADMstate(x, Vliq, T, out Qgas_h2, out Qgas_ch4);
physValue Q = pQ.convertUnit("m^3/d");
physValue VS = pVS.convertUnit("% TS");
physValue TS = pTS.convertUnit("% FM");
physValue rho = prho.convertUnit("kg/m^3");
VS = substrate.convertFrom_TS_To_FM(VS, TS);
// VS [% FM] * [100 % / % FM] * m^3/d * kg/m^3 = VS kg/d
physValue VS_kg = VS.convertUnit("100 %") * Q * rho;
if (VS_kg.Value == 0)
{
return(new physValue(0, "m^3/kg"));
}
// m^3/d / kgVS/d= m^3/kgVS
// Einheit ist: m^3/kg
physValue CH4Yield = Qgas_ch4 / VS_kg;
return(CH4Yield);
}
/// <summary>
/// Returns the current measurement vector in the list, so the values last saved
/// in the list. If list is empty a zero vector with dimension dimension is returned.
/// </summary>
/// <param name="noisy">if true, then noisy measurement values are returned.
/// they are only noisy if the parameter apply_real_sensor was true before and during
/// the simulation</param>
/// <returns>current measurement vector</returns>
public physValue[] getCurrentMeasurementVector(bool noisy)
{
if (values.Count > 0)
{
if (noisy)
{
return(values_noise[values_noise.Count - 1]); // return noisy values
}
else
{
return(values[values.Count - 1]); // return normal values
}
}
else
{
physValue[] myValues = new physValue[dimension];
for (int ivalue = 0; ivalue < dimension; ivalue++)
{
myValues[ivalue] = new physValue();
}
return(myValues);
}
}
// -------------------------------------------------------------------------------------
// !!! PROTECTED METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// here it is defined what is measured in the sensor and in which position
///
/// not type 0
/// </summary>
/// <param name="u">biogas stream: dimension: BioGas.n_gases</param>
/// <param name="par">not used</param>
/// <returns>
/// measured biogas values
/// first n_gases values are biogas in m^3/d
/// next n_gases values are biogas concentrations in %
/// </returns>
/// <exception cref="exception">u.Length < _n_gases</exception>
/// <exception cref="exception">u is empty</exception>
override protected physValue[] doMeasurement(double[] u, params double[] par)
{
physValue[] QgasP = new physValue[(int)BioGas.n_gases];
// is already checked for in calcPercentualBiogasComposition
//if (u.Length != (int)BioGas.n_gases)
// throw new exception(String.Format(
// "u is not of correct dimension: {0} != {1}!",
// u.Length, (int)BioGas.n_gases));
BioGas.calcPercentualBiogasComposition(u, out QgasP);
physValue[] values = new physValue[dimension];
for (int ivalue = 0; ivalue < values.Length; ivalue++)
{
if (ivalue < (int)BioGas.n_gases)
{
values[ivalue] = new physValue(BioGas.symGases[ivalue], u[ivalue], "m^3/d",
BioGas.labelGases[ivalue]);
}
else
{
values[ivalue] = QgasP[ivalue - (int)BioGas.n_gases];
}
}
return(values);
}
// -------------------------------------------------------------------------------------
// !!! PROTECTED METHODS !!!
// -------------------------------------------------------------------------------------
/// <summary>
/// measures ratio of acetoclastic to hydrogenotrophic methanogenesis of
/// given digester
/// </summary>
/// <param name="intvars">ADM1 internal variables</param>
/// <param name="par">2dim.
/// 0: Yac
/// 1: Yh2
/// </param>
/// <returns>ratio of acetoclastic to hydrogenotrophic methanogenesis
/// inside digester</returns>
override protected physValue[] doMeasurement(double[] intvars, params double[] par)
{
physValue[] values = new physValue[dimension];
// Uptake of acetate
double p_ac = intvars[48];
// Uptake of hydrogen
double p_h2 = intvars[49];
double Yac = par[0]; // ADMparams.Get(46 - 1);
double Yh2 = par[1]; // ADMparams.Get(47 - 1);
double ch4_prod_ac = p_ac * (1 - Yac);
double ch4_prod_h2 = p_h2 * (1 - Yh2);
double aceto_ratio, hydro_ratio;
if (ch4_prod_ac + ch4_prod_h2 != 0)
{
aceto_ratio = Math.Round(ch4_prod_ac / (ch4_prod_ac + ch4_prod_h2) * 100.0, 2);
hydro_ratio = Math.Round(ch4_prod_h2 / (ch4_prod_ac + ch4_prod_h2) * 100.0, 2);
}
else
{
aceto_ratio = 0;
hydro_ratio = 0;
}
values[0] = new physValue("aceto", aceto_ratio, "100 %", "acetoclastic methanogenesis");
values[1] = new physValue("hydro", hydro_ratio, "100 %", "hydrogenotrophic methanogenesis");
return(values);
}
/// <summary>
/// Calculate g C / kg substrate fresh matter
/// </summary>
/// <param name="mySubstrate">a substrate</param>
/// <returns>g C / kg fresh matter</returns>
private static physValue calcC(substrate mySubstrate)
{
physValue[] values = new physValue[6];
try
{
mySubstrate.get_params_of(out values, "RF", "RP", "RL",
"NfE", "ADL", "TS");
}
catch (exception e)
{
Console.WriteLine(e.Message);
return(new physValue("error"));
}
physValue RF = values[0];
physValue RP = values[1];
physValue RL = values[2];
physValue NfE = values[3];
physValue ADL = values[4];
physValue TS = values[5];
return(calcC(RF, RP, RL, NfE, ADL, TS));
}
/// <summary>
/// Measure NH4 content inside a digester
/// 1st measurement is Snh4 in g/l
/// 2nd : Snh4 + NH4 in Xc in g/l
///
/// type 5
/// </summary>
/// <param name="myPlant"></param>
/// <param name="x">ADM state vector</param>
/// <param name="param">not used - but OK</param>
/// <param name="par">not used</param>
/// <returns></returns>
override protected physValue[] doMeasurement(biogas.plant myPlant, double[] x,
string param, params double[] par)
{
physValue[] values = new physValue[dimension];
// hier wird umrechnungsfaktor 18 genutzt, deshalb nur ammonium und nicht
// ammonium nitrogen
values[0] = ADMstate.calcFromADMstate(x, "Snh4", "g/l");
//
// -2 wegen _2 bzw. _3
string digester_id = id.Substring(("Snh4_").Length, id.Length - 2 - ("Snh4_").Length);
// kmol N/m^3
double NH4 = ADMstate.calcNH4(x, digester_id, myPlant);
//
// erstmal Snh4 nennen, damit convertUnit funktioniert
// TODO - könnte es auch N nennen, dann wird allerdings nur mit 14 als
// umrechnungsfaktor gerechnet und nicht wie jetzt mit 18. Vorsicht
// bei vergleich mit Ntot, TKN und Norg, dort wird nur mit 14 gerechnet.
// da ich die Größe ammonium nitrogen nenne, wird umrechnungsfaktor 14 genutzt
values[1] = new physValue("N", NH4, "mol/l", "total ammonium nitrogen");
values[1] = values[1].convertUnit("g/l");
values[1].Symbol = "NH4";
return(values);
}
