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47 :
48 : #ifndef PoweredInductionUnits_hh_INCLUDED
49 : #define PoweredInductionUnits_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataDefineEquip.hh>
57 : #include <EnergyPlus/DataGlobals.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 PoweredInductionUnits {
68 :
69 : // Using/Aliasing
70 :
71 : // Data
72 : // MODULE PARAMETER DEFINITIONS
73 : // coil types in this module
74 : enum class HtgCoilType
75 : {
76 : Invalid = -1,
77 : Gas,
78 : Electric,
79 : SimpleHeating,
80 : SteamAirHeating,
81 : Num
82 : };
83 :
84 : static constexpr std::array<std::string_view, static_cast<int>(HtgCoilType::Num)> HCoilNamesUC{
85 : "COIL:HEATING:FUEL", "COIL:HEATING:ELECTRIC", "COIL:HEATING:WATER", "COIL:HEATING:STEAM"};
86 :
87 : static constexpr std::array<std::string_view, static_cast<int>(HtgCoilType::Num)> HCoilNames{
88 : "Coil:Heating:Fuel", "Coil:Heating:Electric", "Coil:Heating:Water", "Coil:Heating:Steam"};
89 :
90 83 : struct PowIndUnitData
91 : {
92 : // Members
93 : // input data
94 : std::string Name; // name of unit
95 : std::string UnitType; // type of unit
96 : DataDefineEquip::ZnAirLoopEquipType UnitType_Num; // index for type of unit
97 : std::string Sched; // availability schedule
98 : int SchedPtr; // index to schedule
99 : Real64 MaxTotAirVolFlow; // m3/s (series)
100 : Real64 MaxTotAirMassFlow; // kg/s (series)
101 : Real64 MaxPriAirVolFlow; // m3/s
102 : Real64 MaxPriAirMassFlow; // kg/s
103 : Real64 MinPriAirFlowFrac; // minimum primary air flow fraction
104 : Real64 MinPriAirMassFlow; // kg/s
105 : Real64 PriDamperPosition; // primary air damper position
106 : Real64 MaxSecAirVolFlow; // m3/s (parallel)
107 : Real64 MaxSecAirMassFlow; // kg/s (parallel)
108 : Real64 FanOnFlowFrac; // frac of primary air flow at which fan turns on (parallel)
109 : Real64 FanOnAirMassFlow; // primary air mass flow rate at which fan turns on (parallel)
110 : int PriAirInNode; // unit primary air inlet node number
111 : int SecAirInNode; // unit secondary air inlet node number
112 : int OutAirNode; // unit air outlet node number
113 : int HCoilInAirNode; // unit mixed air node number
114 : int ControlCompTypeNum;
115 : int CompErrIndex;
116 : std::string MixerName; // name of air mixer component
117 : int Mixer_Num; // index for type of mixer
118 : std::string FanName; // name of fan component
119 : int Fan_Num; // index for fan type
120 : int Fan_Index; // store index for this fan
121 : int FanAvailSchedPtr; // index to fan availability schedule
122 : HtgCoilType HCoilType; // index for heating coil type
123 : DataPlant::PlantEquipmentType HCoil_PlantType;
124 : std::string HCoil; // name of heating coil component
125 : int HCoil_Index; // index to this heating coil
126 : int HCoil_FluidIndex;
127 : Real64 MaxVolHotWaterFlow; // m3/s
128 : Real64 MaxVolHotSteamFlow; // m3/s
129 : Real64 MaxHotWaterFlow; // kg/s
130 : Real64 MaxHotSteamFlow; // kg/s
131 : Real64 MinVolHotWaterFlow; // m3/s
132 : Real64 MinHotSteamFlow; // kg/s
133 : Real64 MinVolHotSteamFlow; // m3/s
134 : Real64 MinHotWaterFlow; // kg/s
135 : int HotControlNode; // hot water control node
136 : int HotCoilOutNodeNum; // outlet of coil
137 : Real64 HotControlOffset; // control tolerance
138 : PlantLocation HWplantLoc; // index for plant component for hot plant coil
139 : int ADUNum; // index of corresponding air distribution unit
140 : bool InducesPlenumAir; // True if secondary air comes from the plenum
141 : // Report data
142 : Real64 HeatingRate; // unit heat addition rate to zone [W]
143 : Real64 HeatingEnergy; // unit heat addition to zone [J]
144 : Real64 SensCoolRate; // unit sensible heat removal rate from zone [W]
145 : Real64 SensCoolEnergy; // unit sensible heat removal from zone [J]
146 : int CtrlZoneNum; // index to control zone
147 : int ctrlZoneInNodeIndex; // index to the control zone inlet node
148 : int AirLoopNum; // index for the air loop that this terminal is connected to.
149 : Real64 OutdoorAirFlowRate; // zone outdoor air volume flow rate
150 :
151 : // Default Constructor
152 15 : PowIndUnitData()
153 15 : : UnitType_Num(DataDefineEquip::ZnAirLoopEquipType::Invalid), SchedPtr(0), MaxTotAirVolFlow(0.0), MaxTotAirMassFlow(0.0),
154 : MaxPriAirVolFlow(0.0), MaxPriAirMassFlow(0.0), MinPriAirFlowFrac(0.0), MinPriAirMassFlow(0.0), PriDamperPosition(0.0),
155 : MaxSecAirVolFlow(0.0), MaxSecAirMassFlow(0.0), FanOnFlowFrac(0.0), FanOnAirMassFlow(0.0), PriAirInNode(0), SecAirInNode(0),
156 : OutAirNode(0), HCoilInAirNode(0), ControlCompTypeNum(0), CompErrIndex(0), Mixer_Num(0), Fan_Num(0), Fan_Index(0), FanAvailSchedPtr(0),
157 : HCoilType(HtgCoilType::Invalid), HCoil_PlantType(DataPlant::PlantEquipmentType::Invalid), HCoil_Index(0), HCoil_FluidIndex(0),
158 : MaxVolHotWaterFlow(0.0), MaxVolHotSteamFlow(0.0), MaxHotWaterFlow(0.0), MaxHotSteamFlow(0.0), MinVolHotWaterFlow(0.0),
159 : MinHotSteamFlow(0.0), MinVolHotSteamFlow(0.0), MinHotWaterFlow(0.0), HotControlNode(0), HotCoilOutNodeNum(0),
160 : HotControlOffset(0.0), HWplantLoc{}, ADUNum(0), InducesPlenumAir(false), HeatingRate(0.0), HeatingEnergy(0.0), SensCoolRate(0.0),
161 15 : SensCoolEnergy(0.0), CtrlZoneNum(0), ctrlZoneInNodeIndex(0), AirLoopNum(0), OutdoorAirFlowRate(0.0)
162 : {
163 15 : }
164 :
165 : void CalcOutdoorAirVolumeFlowRate(EnergyPlusData &state);
166 : };
167 :
168 : void SimPIU(EnergyPlusData &state,
169 : std::string_view CompName, // name of the PIU
170 : bool FirstHVACIteration, // TRUE if first HVAC iteration in time step
171 : int ZoneNum, // index of zone served by PIU
172 : int ZoneNodeNum, // zone node number of zone served by PIU
173 : int &CompIndex // PIU Index in PIU names
174 : );
175 :
176 : void GetPIUs(EnergyPlusData &state);
177 :
178 : void InitPIU(EnergyPlusData &state,
179 : int PIUNum, // number of the current fan coil unit being simulated
180 : bool FirstHVACIteration // TRUE if first zone equip this HVAC step
181 : );
182 :
183 : void SizePIU(EnergyPlusData &state, int PIUNum);
184 :
185 : void CalcSeriesPIU(EnergyPlusData &state,
186 : int PIUNum, // number of the current PIU being simulated
187 : int ZoneNum, // number of zone being served
188 : int ZoneNode, // zone node number
189 : bool FirstHVACIteration // TRUE if 1st HVAC simulation of system timestep
190 : );
191 :
192 : void CalcParallelPIU(EnergyPlusData &state,
193 : int PIUNum, // number of the current PIU being simulated
194 : int ZoneNum, // number of zone being served
195 : int ZoneNode, // zone node number
196 : bool FirstHVACIteration // TRUE if 1st HVAC simulation of system timestep
197 : );
198 :
199 : void ReportPIU(EnergyPlusData &state, int PIUNum); // number of the current fan coil unit being simulated
200 :
201 : // ===================== Utilities =====================================
202 :
203 : bool PIUnitHasMixer(EnergyPlusData &state, std::string_view CompName); // component (mixer) name
204 :
205 : void PIUInducesPlenumAir(EnergyPlusData &state, int NodeNum); // induced air node number
206 :
207 : } // namespace PoweredInductionUnits
208 :
209 1542 : struct PoweredInductionUnitsData : BaseGlobalStruct
210 : {
211 :
212 : Array1D_bool CheckEquipName;
213 : bool GetPIUInputFlag = true;
214 : bool MyOneTimeFlag = true;
215 : bool ZoneEquipmentListChecked = false;
216 : int NumPIUs = 0;
217 : int NumSeriesPIUs = 0;
218 : int NumParallelPIUs = 0;
219 : Array1D<PoweredInductionUnits::PowIndUnitData> PIU;
220 : std::unordered_map<std::string, std::string> PiuUniqueNames;
221 : Array1D_bool MyEnvrnFlag;
222 : Array1D_bool MySizeFlag;
223 : Array1D_bool MyPlantScanFlag;
224 :
225 0 : void clear_state() override
226 : {
227 0 : this->CheckEquipName.deallocate();
228 0 : this->GetPIUInputFlag = true;
229 0 : this->MyOneTimeFlag = true;
230 0 : this->ZoneEquipmentListChecked = false;
231 0 : this->NumPIUs = 0;
232 0 : this->NumSeriesPIUs = 0;
233 0 : this->NumParallelPIUs = 0;
234 0 : this->PIU.deallocate();
235 0 : this->PiuUniqueNames.clear();
236 0 : this->MyEnvrnFlag.clear();
237 0 : this->MySizeFlag.clear();
238 0 : this->MyPlantScanFlag.clear();
239 0 : }
240 : };
241 :
242 : } // namespace EnergyPlus
243 :
244 : #endif
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