Line data Source code
1 : // EnergyPlus, Copyright (c) 1996-2024, The Board of Trustees of the University of Illinois,
2 : // The Regents of the University of California, through Lawrence Berkeley National Laboratory
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47 :
48 : #ifndef BoilerSteam_hh_INCLUDED
49 : #define BoilerSteam_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataBranchAirLoopPlant.hh>
57 : #include <EnergyPlus/DataGlobalConstants.hh>
58 : #include <EnergyPlus/DataGlobals.hh>
59 : #include <EnergyPlus/EnergyPlus.hh>
60 : #include <EnergyPlus/Plant/Enums.hh>
61 : #include <EnergyPlus/Plant/PlantLocation.hh>
62 : #include <EnergyPlus/PlantComponent.hh>
63 : #include <EnergyPlus/UtilityRoutines.hh>
64 :
65 : namespace EnergyPlus {
66 :
67 : // Forward declarations
68 : struct EnergyPlusData;
69 :
70 : namespace BoilerSteam {
71 :
72 : struct BoilerSpecs : PlantComponent
73 : {
74 : // Members
75 : std::string Name; // user identifier
76 : Constant::eFuel FuelType = Constant::eFuel::Invalid; // resource type
77 : bool Available = false; // TRUE if machine available in current time step
78 : bool ON = false; // TRUE: simulate the machine at it's operating part load ratio
79 : bool MissingSetPointErrDone = false; // Missing outlet node setpoint message flag
80 : bool UseLoopSetPoint = false; // Flag to use setpoint from loop
81 : Real64 DesMassFlowRate = 0.0; // kg/s - Boiler water design mass flow rate
82 : Real64 MassFlowRate = 0.0; // kg/s - Boiler water mass flow rate
83 : Real64 NomCap = 0.0; // W - design nominal capacity of Boiler
84 : bool NomCapWasAutoSized = false; // true if Nominal capacity was autosize on input
85 : Real64 NomEffic = 0.0; // boiler efficiency at design conditions
86 : Real64 MinPartLoadRat = 0.0; // Minimum allowed operating part load ratio
87 : Real64 MaxPartLoadRat = 0.0; // Maximum allowed operating part load ratio
88 : Real64 OptPartLoadRat = 0.0; // Optimal operating part load ratio
89 : Real64 OperPartLoadRat = 0.0; // Actual operating part load ratio
90 : Real64 TempUpLimitBoilerOut = 0.0; // C - Boiler outlet maximum temperature limit
91 : Real64 BoilerMaxOperPress = 0.0; // Max Boiler Pressure
92 : Real64 BoilerPressCheck = 0.0; // Boiler Operating Pressure at Saturation Temperature
93 : Real64 SizFac = 0.0; // sizing factor
94 : int BoilerInletNodeNum = 0; // Node number at the boiler inlet
95 : int BoilerOutletNodeNum = 0; // Node number at the boiler outlet
96 : std::array<Real64, 3> FullLoadCoef = {0.0}; // Coefficients of the fuel consumption/part load ratio curve
97 : int TypeNum = 0; // Plant loop type identifier
98 : PlantLocation plantLoc;
99 : int PressErrIndex = 0; // index pointer for recurring errors
100 : int FluidIndex = 0; // Steam index
101 : std::string EndUseSubcategory; // identifier use for the end use subcategory
102 : bool myFlag = true;
103 : bool myEnvrnFlag = true;
104 :
105 : Real64 FuelUsed = 0.0; // W - Boiler fuel used
106 : Real64 BoilerLoad = 0.0; // W - Boiler Load
107 : Real64 BoilerEff = 0.0; // Boiler efficiency
108 : Real64 BoilerMassFlowRate = 0.0; // kg/s - Boiler mass flow rate
109 : Real64 BoilerOutletTemp = 0.0; // W - Boiler outlet temperature
110 :
111 : Real64 BoilerEnergy = 0.0; // J - Boiler energy integrated over time
112 : Real64 FuelConsumed = 0.0; // J - Boiler Fuel consumed integrated over time
113 : Real64 BoilerInletTemp = 0.0; // C - Boiler inlet temperature
114 :
115 : void initialize(EnergyPlusData &state);
116 :
117 : void setupOutputVars(EnergyPlusData &state);
118 :
119 : void autosize(EnergyPlusData &state);
120 :
121 : void calculate(EnergyPlusData &state,
122 : Real64 &MyLoad, // W - hot water demand to be met by boiler
123 : bool RunFlag, // TRUE if boiler operating
124 : DataBranchAirLoopPlant::ControlType EquipFlowCtrl // Flow control mode for the equipment
125 : );
126 :
127 : void update(EnergyPlusData &state,
128 : Real64 MyLoad, // boiler operating load
129 : bool RunFlag, // boiler on when TRUE
130 : bool FirstHVACIteration // TRUE if First iteration of simulation
131 : );
132 :
133 : void simulate([[maybe_unused]] EnergyPlusData &state,
134 : const PlantLocation &calledFromLocation,
135 : bool FirstHVACIteration,
136 : Real64 &CurLoad,
137 : bool RunFlag) override;
138 :
139 : void getDesignCapacities(EnergyPlusData &state,
140 : [[maybe_unused]] const PlantLocation &calledFromLocation,
141 : Real64 &MaxLoad,
142 : Real64 &MinLoad,
143 : Real64 &OptLoad) override;
144 :
145 : void getSizingFactor(Real64 &sizFac) override;
146 :
147 : void oneTimeInit(EnergyPlusData &state) override;
148 :
149 : void initEachEnvironment(EnergyPlusData &state);
150 :
151 : void onInitLoopEquip([[maybe_unused]] EnergyPlusData &state, [[maybe_unused]] const PlantLocation &calledFromLocation) override;
152 :
153 : static BoilerSpecs *factory(EnergyPlusData &state, std::string const &objectName);
154 : };
155 :
156 : void GetBoilerInput(EnergyPlusData &state);
157 :
158 : } // namespace BoilerSteam
159 :
160 : struct BoilerSteamData : BaseGlobalStruct
161 : {
162 : bool getSteamBoilerInput = true;
163 : Array1D<BoilerSteam::BoilerSpecs> Boiler;
164 :
165 796 : void init_state([[maybe_unused]] EnergyPlusData &state) override
166 : {
167 796 : }
168 :
169 0 : void clear_state() override
170 : {
171 0 : new (this) BoilerSteamData();
172 0 : }
173 : };
174 :
175 : } // namespace EnergyPlus
176 :
177 : #endif
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