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1 : // EnergyPlus, Copyright (c) 1996-2024, The Board of Trustees of the University of Illinois,
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47 :
48 : #ifndef HWBaseboardRadiator_hh_INCLUDED
49 : #define HWBaseboardRadiator_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataGlobals.hh>
57 : #include <EnergyPlus/DataSizing.hh>
58 : #include <EnergyPlus/EnergyPlus.hh>
59 : #include <EnergyPlus/Plant/Enums.hh>
60 : #include <EnergyPlus/Plant/PlantLocation.hh>
61 :
62 : namespace EnergyPlus {
63 :
64 : // Forward declarations
65 : struct EnergyPlusData;
66 :
67 : namespace HWBaseboardRadiator {
68 :
69 : extern std::string const cCMO_BBRadiator_Water;
70 :
71 : struct HWBaseboardParams
72 : {
73 : // Members
74 : std::string Name;
75 : DataPlant::PlantEquipmentType EquipType = DataPlant::PlantEquipmentType::Invalid;
76 : std::string designObjectName; // Design Object
77 : int DesignObjectPtr = 0;
78 : Array1D_int SurfacePtr;
79 : int ZonePtr = 0;
80 : int SchedPtr = 0;
81 : int WaterInletNode = 0;
82 : int WaterOutletNode = 0;
83 : int TotSurfToDistrib = 0;
84 : int ControlCompTypeNum = 0;
85 : int CompErrIndex = 0;
86 : Real64 AirMassFlowRate = 0.0;
87 : Real64 AirMassFlowRateStd = 0.0;
88 : Real64 WaterTempAvg = 0.0;
89 : Real64 RatedCapacity = 0.0;
90 : Real64 UA = 0.0;
91 : Real64 WaterMassFlowRate = 0.0;
92 : Real64 WaterMassFlowRateMax = 0.0;
93 : Real64 WaterMassFlowRateStd = 0.0;
94 : Real64 WaterVolFlowRateMax = 0.0;
95 : Real64 WaterInletTempStd = 0.0;
96 : Real64 WaterInletTemp = 0.0;
97 : Real64 WaterInletEnthalpy = 0.0;
98 : Real64 WaterOutletTempStd = 0.0;
99 : Real64 WaterOutletTemp = 0.0;
100 : Real64 WaterOutletEnthalpy = 0.0;
101 : Real64 AirInletTempStd = 0.0;
102 : Real64 AirInletTemp = 0.0;
103 : Real64 AirOutletTemp = 0.0;
104 : Real64 AirInletHumRat = 0.0;
105 : Real64 AirOutletTempStd = 0.0;
106 : Real64 FracConvect = 0.0;
107 : Array1D<Real64> FracDistribToSurf;
108 : Real64 TotPower = 0.0;
109 : Real64 Power = 0.0;
110 : Real64 ConvPower = 0.0;
111 : Real64 RadPower = 0.0;
112 : Real64 TotEnergy = 0.0;
113 : Real64 Energy = 0.0;
114 : Real64 ConvEnergy = 0.0;
115 : Real64 RadEnergy = 0.0;
116 : PlantLocation plantLoc = {};
117 : int BBLoadReSimIndex = 0;
118 : int BBMassFlowReSimIndex = 0;
119 : int BBInletTempFlowReSimIndex = 0;
120 : int HeatingCapMethod = 0; // - Method for heating capacity scaled sizing calculation (HeatingDesignCapacity, CapacityPerFloorArea,
121 : // FracOfAutosizedHeatingCapacity)
122 : Real64 ScaledHeatingCapacity = 0.0; // - scaled maximum heating capacity {W} or scalable variable of zone HVAC equipment, {-}, or {W/m2}
123 : Real64 ZeroBBSourceSumHATsurf = 0.0; // used in baseboard energy balance
124 : // Record keeping variables used to calculate QBBRadSrcAvg locally
125 : Real64 QBBRadSource = 0.0; // Need to keep the last value in case we are still iterating
126 : Real64 QBBRadSrcAvg = 0.0; // Need to keep the last value in case we are still iterating
127 : Real64 LastSysTimeElapsed = 0.0; // Need to keep the last value in case we are still iterating
128 : Real64 LastTimeStepSys = 0.0; // Need to keep the last value in case we are still iterating
129 : Real64 LastQBBRadSrc = 0.0; // Need to keep the last value in case we are still iterating
130 : };
131 :
132 : struct HWBaseboardDesignData : HWBaseboardParams
133 : {
134 : // Members
135 : std::string designName;
136 : // - Method for heating capacity scaledsizing calculation (HeatingDesignCapacity, CapacityPerFloorArea, FracOfAutosizedHeatingCapacity)
137 : DataSizing::DesignSizingType HeatingCapMethod = DataSizing::DesignSizingType::Invalid;
138 : Real64 ScaledHeatingCapacity = 0.0; // scaled maximum heating capacity {W} or scalable variable of zone HVAC equipment, {-}, or {W/m2}
139 : Real64 Offset = 0.0;
140 : Real64 FracRadiant = 0.0;
141 : Real64 FracDistribPerson = 0.0;
142 : };
143 :
144 : struct HWBaseboardNumericFieldData
145 : {
146 : // Members
147 : Array1D_string FieldNames;
148 :
149 : // Default Constructor
150 7 : HWBaseboardNumericFieldData()
151 7 : {
152 7 : }
153 : };
154 :
155 : struct HWBaseboardDesignNumericFieldData
156 : {
157 : // Members
158 : Array1D_string FieldNames;
159 :
160 : // Default Constructor
161 : HWBaseboardDesignNumericFieldData()
162 : {
163 : }
164 : };
165 :
166 : void SimHWBaseboard(EnergyPlusData &state,
167 : std::string const &EquipName,
168 : int const ControlledZoneNum,
169 : bool const FirstHVACIteration,
170 : Real64 &PowerMet,
171 : int &CompIndex);
172 :
173 : void GetHWBaseboardInput(EnergyPlusData &state);
174 :
175 : void InitHWBaseboard(EnergyPlusData &state, int const BaseboardNum, int const ControlledZoneNum, bool const FirstHVACIteration);
176 :
177 : void SizeHWBaseboard(EnergyPlusData &state, int const BaseboardNum);
178 :
179 : void CalcHWBaseboard(EnergyPlusData &state, int &BaseboardNum, Real64 &LoadMet);
180 :
181 : void UpdateHWBaseboard(EnergyPlusData &state, int const BaseboardNum);
182 :
183 : void UpdateBBRadSourceValAvg(EnergyPlusData &state, bool &HWBaseboardSysOn); // .TRUE. if the radiant system has run this zone time step
184 :
185 : void DistributeBBRadGains(EnergyPlusData &state);
186 :
187 : void ReportHWBaseboard(EnergyPlusData &state, int const BaseboardNum);
188 :
189 : void UpdateHWBaseboardPlantConnection(EnergyPlusData &state,
190 : int const BaseboardTypeNum, // type index
191 : std::string const &BaseboardName, // component name
192 : int const EquipFlowCtrl, // Flow control mode for the equipment
193 : int const LoopNum, // Plant loop index for where called from
194 : const DataPlant::LoopSideLocation LoopSide, // Plant loop side index for where called from
195 : int &CompIndex, // Chiller number pointer
196 : bool const FirstHVACIteration,
197 : bool &InitLoopEquip // If not zero, calculate the max load for operating conditions
198 : );
199 :
200 : //*****************************************************************************************
201 :
202 : } // namespace HWBaseboardRadiator
203 :
204 : struct HWBaseboardRadiatorData : BaseGlobalStruct
205 : {
206 :
207 : Array1D_bool MySizeFlag;
208 : Array1D_bool CheckEquipName;
209 : Array1D_bool SetLoopIndexFlag; // get loop number flag
210 : int NumHWBaseboards = 0;
211 : int NumHWBaseboardDesignObjs = 0; // Number of HW Baseboard systems design objects
212 : // Object Data
213 : Array1D<HWBaseboardRadiator::HWBaseboardParams> HWBaseboard;
214 : Array1D<HWBaseboardRadiator::HWBaseboardDesignData> HWBaseboardDesignObject;
215 : Array1D<HWBaseboardRadiator::HWBaseboardNumericFieldData> HWBaseboardNumericFields;
216 : bool GetInputFlag = true; // One time get input flag
217 : bool MyOneTimeFlag = true;
218 : int Iter = 0;
219 : bool MyEnvrnFlag2 = true;
220 : Array1D_bool MyEnvrnFlag;
221 :
222 796 : void init_state([[maybe_unused]] EnergyPlusData &state) override
223 : {
224 796 : }
225 :
226 0 : void clear_state() override
227 : {
228 0 : this->MySizeFlag.clear();
229 0 : this->CheckEquipName.clear();
230 0 : this->SetLoopIndexFlag.clear();
231 0 : this->NumHWBaseboards = 0;
232 0 : this->NumHWBaseboardDesignObjs = 0;
233 0 : this->HWBaseboard.clear();
234 0 : this->HWBaseboardDesignObject.clear();
235 0 : this->HWBaseboardNumericFields.clear();
236 0 : this->GetInputFlag = true;
237 0 : this->MyOneTimeFlag = true;
238 0 : this->MyEnvrnFlag.clear();
239 0 : this->Iter = 0;
240 0 : this->MyEnvrnFlag2 = true;
241 0 : }
242 : };
243 :
244 : } // namespace EnergyPlus
245 :
246 : #endif
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