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47 :
48 : #ifndef PlantTopologyLoop_hh_INCLUDED
49 : #define PlantTopologyLoop_hh_INCLUDED
50 :
51 : #include <EnergyPlus/Plant/Enums.hh>
52 : #include <EnergyPlus/Plant/LoopSide.hh>
53 :
54 : namespace EnergyPlus {
55 :
56 : // Forward declarations
57 : struct EnergyPlusData;
58 :
59 : namespace DataPlant {
60 :
61 : // "Both" is used as a special flag and is never assigned to the loop's TypeOfLoop member
62 : enum class LoopType
63 : {
64 : Invalid = -1,
65 : Plant,
66 : Condenser,
67 : Both,
68 : Num
69 : };
70 :
71 3760 : struct HalfLoopContainer : std::array<HalfLoopData, static_cast<int>(DataPlant::LoopSideLocation::Num)>
72 : {
73 2569988870 : HalfLoopData &operator()(LoopSideLocation ls)
74 : {
75 2569988870 : return this->at(static_cast<int>(ls));
76 : }
77 : };
78 :
79 : constexpr std::array<DataPlant::LoopSideLocation, static_cast<int>(DataPlant::LoopSideLocation::Num)> LoopSideKeys = {
80 : DataPlant::LoopSideLocation::Demand, DataPlant::LoopSideLocation::Supply};
81 :
82 2989 : struct PlantLoopData
83 : {
84 : // Members
85 : std::string Name; // Name of the component list
86 : std::string FluidName; // Name of the fluid specified for this loop
87 : DataLoopNode::NodeFluidType FluidType; // Type of fluid in the loop
88 : int FluidIndex; // Index for Fluid in FluidProperties
89 : int MFErrIndex; // for recurring mass flow errors
90 : int MFErrIndex1; // for recurring mass flow errors
91 : int MFErrIndex2; // for recurring mass flow errors
92 : // (see CheckPlantMixerSplitterConsistency)
93 : // Loop Operating Setpoints and Limits
94 : int TempSetPointNodeNum; // Node Number for Loop Temp SP associated with SP manager
95 : int MaxBranch; // Max branches in the loop
96 : Real64 MinTemp; // Minimum temperature allowed in the loop
97 : Real64 MaxTemp; // Maximum temperature allowed in the loop
98 : int MinTempErrIndex; // for recurring too cold errors
99 : int MaxTempErrIndex; // for recurring too hot errors
100 : Real64 MinVolFlowRate; // Minimum flow rate allowed in the loop
101 : Real64 MaxVolFlowRate; // Maximum flow rate allowed in the loop
102 : bool MaxVolFlowRateWasAutoSized; // true if previous was set to autosized in the input
103 : Real64 MinMassFlowRate; // Minimum flow rate allowed in the loop
104 : Real64 MaxMassFlowRate; // Maximum flow rate allowed in the loop
105 : Real64 Volume; // Volume of the fluid in the loop
106 : bool VolumeWasAutoSized; // true if Volume was set to autocalculate
107 : Real64 CirculationTime; // Loop circulation time [minutes] used to autocalculate loop volume, default is 2 minutes
108 : Real64 Mass; // Mass of the fluid in the loop
109 : bool EMSCtrl;
110 : Real64 EMSValue;
111 : // Loop Inlet and Outlet Nodes
112 : HalfLoopContainer LoopSide; // Half loop data (Demand side or Supply Side)
113 : std::string OperationScheme; // Operation scheme name for the loop
114 : int NumOpSchemes; // Number of items in list identified by "OpScheme"
115 : Array1D<OperationData> OpScheme; // Operation scheme data
116 : DataPlant::LoadingScheme LoadDistribution; // Load distribution scheme 1 for optimal, 2 for overloading
117 : int PlantSizNum; // index to corresponding plant sizing data array
118 : DataPlant::LoopDemandCalcScheme LoopDemandCalcScheme; // Load distribution scheme 1 SingleSetPoint,
119 : // 2 DualSetPointWithDeadBand
120 : DataPlant::CommonPipeType CommonPipeType;
121 : int EconPlantSideSensedNodeNum;
122 : int EconCondSideSensedNodeNum;
123 : int EconPlacement;
124 : int EconBranch;
125 : int EconComp;
126 : Real64 EconControlTempDiff;
127 : bool LoopHasConnectionComp;
128 : LoopType TypeOfLoop;
129 : DataPlant::PressSimType PressureSimType;
130 : bool HasPressureComponents;
131 : Real64 PressureDrop;
132 : bool UsePressureForPumpCalcs;
133 : Real64 PressureEffectiveK;
134 : // report variables
135 : Real64 CoolingDemand; // Plant Loop Cooling Demand, W
136 : Real64 HeatingDemand; // Plant Loop Heating Demand[W]
137 : Real64 DemandNotDispatched; // Plant Loop Demand that was not distributed [W]
138 : Real64 UnmetDemand; // Plant Loop Unmet Demand [W]
139 : Real64 BypassFrac;
140 : Real64 InletNodeFlowrate;
141 : Real64 InletNodeTemperature;
142 : Real64 OutletNodeFlowrate;
143 : Real64 OutletNodeTemperature;
144 : int LastLoopSideSimulated;
145 :
146 : // Default Constructor
147 771 : PlantLoopData()
148 771 : : FluidType(DataLoopNode::NodeFluidType::Blank), FluidIndex(1), // default to water
149 : MFErrIndex(0), MFErrIndex1(0), MFErrIndex2(0), TempSetPointNodeNum(0), MaxBranch(0), MinTemp(0.0), MaxTemp(0.0), MinTempErrIndex(0),
150 : MaxTempErrIndex(0), MinVolFlowRate(0.0), MaxVolFlowRate(0.0), MaxVolFlowRateWasAutoSized(false), MinMassFlowRate(0.0),
151 : MaxMassFlowRate(0.0), Volume(0.0), VolumeWasAutoSized(false), CirculationTime(2.0), Mass(0.0), EMSCtrl(false), EMSValue(0.0),
152 : NumOpSchemes(0), LoadDistribution(DataPlant::LoadingScheme::Invalid), PlantSizNum(0),
153 : LoopDemandCalcScheme(DataPlant::LoopDemandCalcScheme::Invalid), CommonPipeType(DataPlant::CommonPipeType::No),
154 : EconPlantSideSensedNodeNum(0), EconCondSideSensedNodeNum(0), EconPlacement(0), EconBranch(0), EconComp(0), EconControlTempDiff(0.0),
155 : LoopHasConnectionComp(false), TypeOfLoop(LoopType::Invalid), PressureSimType(DataPlant::PressSimType::NoPressure),
156 : HasPressureComponents(false), PressureDrop(0.0), UsePressureForPumpCalcs(false), PressureEffectiveK(0.0), CoolingDemand(0.0),
157 : HeatingDemand(0.0), DemandNotDispatched(0.0), UnmetDemand(0.0), BypassFrac(0.0), InletNodeFlowrate(0.0), InletNodeTemperature(0.0),
158 771 : OutletNodeFlowrate(0.0), OutletNodeTemperature(0.0), LastLoopSideSimulated(0)
159 : {
160 771 : }
161 :
162 : void UpdateLoopSideReportVars(EnergyPlusData &state, Real64 OtherSideDemand, Real64 LocalRemLoopDemand);
163 :
164 : void CheckLoopExitNode(EnergyPlusData &state, bool FirstHVACIteration);
165 :
166 : void CalcUnmetPlantDemand(EnergyPlusData &state);
167 : };
168 : } // namespace DataPlant
169 : } // namespace EnergyPlus
170 :
171 : #endif
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