recordCHP_ECPowerXRGI15
Extends from AixLib.DataBase.CHP.ModularCHPEngineData.CHPEngDataBaseRecord (Base record for CHP engine data).
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Boolean | SIEngine (from CHPEngDataBaseRecord) | true | Default:True=SI-Engine(Otto) / False=DI-Engine(Diesel) |
| String | EngMat (from CHPEngDataBaseRecord) | "CastIron" | Name of the engine material(Choices: CastIron, SpheroidalGraphiteIron, CastAluminium) |
| RotationSpeed | nEngMax (from CHPEngDataBaseRecord) | nEngNominal | Engine speed at full load (default=nEngNominal) |
| RotationSpeed | nEngNominal (from CHPEngDataBaseRecord) | Nominal engine speed at nominal operating point | |
| Real | QuoDCyl (from CHPEngDataBaseRecord) | dCyl/ref_dCyl | Comparison of cylinder diameter to the reference |
| Real | xO2Exh (from CHPEngDataBaseRecord) | 0.05 | Residual oxygen content in the exhaust gas(default value is 5%) |
| Real | Lambda (from CHPEngDataBaseRecord) | 0.21/(0.21 - xO2Exh) | Engine air ratio (default value is 1.31; min=1.01) |
| Real | z (from CHPEngDataBaseRecord) | Number of cylinders | |
| Real | eps (from CHPEngDataBaseRecord) | if SIEngine then 12 else 21 | Compression ratio (default values are 12(SI) and 21(DI)) |
| Real | i (from CHPEngDataBaseRecord) | Number of combustion for one operating cycle (1->two-stroke, 0.5->four-stroke) | |
| Modelica.Units.SI.Mass | mEng (from CHPEngDataBaseRecord) | 70389*VEng + 17.913 | Total dry weight of the engine block |
| Modelica.Units.SI.Volume | VEng (from CHPEngDataBaseRecord) | 0.25*hStr*Modelica.Constants.pi*dCyl^2*z | Engine displacement |
| Modelica.Units.SI.Length | hStr (from CHPEngDataBaseRecord) | Stroke | |
| Modelica.Units.SI.Length | dCyl (from CHPEngDataBaseRecord) | Cylinder diameter | |
| Modelica.Units.SI.Length | ref_dCyl (from CHPEngDataBaseRecord) | 0.091 | Reference cylinder diameter for friction calculation |
| Modelica.Units.SI.Pressure | ref_p_mfNominal (from CHPEngDataBaseRecord) | if SIEngine then 75000 else 110000 | Friction mean pressure of reference engine for calculation(dCyl=91mm & nEng=3000rpm & TEng=90°C) |
| Modelica.Units.SI.Pressure | p_meNominal (from CHPEngDataBaseRecord) | P_mecNominal/(i*nEngNominal*VEng) | Nominal mean effective cylinder pressure |
| Modelica.Units.SI.Efficiency | etaCHP (from CHPEngDataBaseRecord) | Nominal efficiency of the power unit referring to the fuel input | |
| Modelica.Units.SI.Efficiency | etaGen (from CHPEngDataBaseRecord) | 0.92 | Generator efficiency |
| Modelica.Units.SI.Power | P_mecNominal (from CHPEngDataBaseRecord) | P_elNominal/etaGen | Mechanical power output of the engine at nominal operating point |
| Modelica.Units.SI.Power | P_FueNominal (from CHPEngDataBaseRecord) | (P_elNominal + Q_MaxHea)/etaCHP | Nominal fuel expenses |
| Modelica.Units.SI.Power | Q_MaxHea (from CHPEngDataBaseRecord) | Maximum of usable heat | |
| Modelica.Units.SI.Temperature | T_ExhPowUniOut (from CHPEngDataBaseRecord) | 373.15 | Exhaust gas temperature after exhaust heat exchanger (default=100°C) |
| Modelica.Units.SI.Diameter | dExh (from CHPEngDataBaseRecord) | 0.0612 + (Lambda*P_FueNominal)*10^(-7) | Exhaust pipe diameter for heat transfer calculation |
| Modelica.Units.SI.Diameter | dCoo (from CHPEngDataBaseRecord) | 0.0224 + Q_MaxHea*2*10^(-7) | Coolant circle pipe diameter for heat transfer calculation |
| Modelica.Units.SI.Thickness | dInn (from CHPEngDataBaseRecord) | Thickness of the cylinder wall between combustion chamber and cooling circle (default value is 5mm) | |
| Modelica.Units.SI.MassFlowRate | m_floCooNominal (from CHPEngDataBaseRecord) | 0.00003*Q_MaxHea - 0.2043 | Nominal mass flow rate of coolant inside the engine cooling circle (default density of coolant is 1kg/l) |
| Modelica.Units.SI.Pressure | dp_Coo (from CHPEngDataBaseRecord) | 15000 | Pressure loss between coolant supply and return flow (default value is 0.15bar) |
| Real | cosPhi (from CHPEngDataBaseRecord) | 0.8 | Power factor of electric machine (default=0.8) |
| Real | p (from CHPEngDataBaseRecord) | f_1/n0 | Number of pole pairs |
| Real | gearRatio (from CHPEngDataBaseRecord) | 1 | Gear ratio: engine speed to generator speed (default=1) |
| Boolean | useHeat (from CHPEngDataBaseRecord) | false | Is the thermal loss energy of the elctric machine used? |
| Modelica.Units.SI.Frequency | n0 (from CHPEngDataBaseRecord) | f_1/p | Idling speed of the electric machine |
| Modelica.Units.SI.Frequency | n_nominal (from CHPEngDataBaseRecord) | Rated rotor speed [1/s] | |
| Modelica.Units.SI.Frequency | f_1 (from CHPEngDataBaseRecord) | Source frequency | |
| Modelica.Units.SI.Voltage | U_1 (from CHPEngDataBaseRecord) | Rated voltage | |
| Modelica.Units.SI.Current | I_elNominal (from CHPEngDataBaseRecord) | P_elNominal/(sqrt(3)*U_1*cosPhi) | Rated current |
| Modelica.Units.SI.Power | P_elNominal (from CHPEngDataBaseRecord) | Nominal electrical power of electric machine |