Line data Source code
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47 :
48 : #ifndef PlantTopologyLoopSide_hh_INCLUDED
49 : #define PlantTopologyLoopSide_hh_INCLUDED
50 :
51 : #include <EnergyPlus/DataLoopNode.hh>
52 : #include <EnergyPlus/Plant/Branch.hh>
53 : #include <EnergyPlus/Plant/ConnectedLoopData.hh>
54 : #include <EnergyPlus/Plant/LoopSidePumpInformation.hh>
55 : #include <EnergyPlus/Plant/MixerData.hh>
56 : #include <EnergyPlus/Plant/PlantConvergencePoint.hh>
57 : #include <EnergyPlus/Plant/SplitterData.hh>
58 :
59 : #include <ObjexxFCL/Optional.hh>
60 :
61 : namespace EnergyPlus {
62 :
63 : // Forward declarations
64 : struct EnergyPlusData;
65 :
66 : namespace DataPlant {
67 :
68 : struct HalfLoopData
69 : {
70 : // Members
71 : bool SimLoopSideNeeded; // Determine whether or not to re-simulate this plant LoopSide
72 : bool SimZoneEquipNeeded; // Plant requests resimulate zone HVAC equipment
73 : bool SimAirLoopsNeeded; // Plant requests resimulate air loop HVAC equipment
74 : bool SimNonZoneEquipNeeded; // Plant requests resimulate non zone Equip
75 : bool SimElectLoadCentrNeeded; // Plant requests resimulate generators
76 : bool OncePerTimeStepOperations;
77 : Real64 TimeElapsed; // store time for dynamic updates for last time
78 : Real64 FlowRequest; // Flow request in the half loop
79 : Real64 FlowRequestTemperature; // Average Flow request outlet Temp in the half loop
80 : // It's necessary to hold the values here since AIR and GROUND SPs aren't associated with either a node or a SP manager
81 : Real64 TempSetPoint; // Loop temperature setpoint
82 : Real64 TempSetPointHi; // High Loop temperature setpoint
83 : Real64 TempSetPointLo; // Low Loop temperature setpoint
84 : Real64 TempInterfaceTankOutlet; // Used by interface manager in common pipe simulation
85 : // This is the temperature at the loop outlet linterface
86 : // with half-loop capacitance and pump heat accounted for.
87 : Real64 LastTempInterfaceTankOutlet;
88 : std::string BranchList; // Branch list name for the half loop
89 : std::string ConnectList; // Connector list name for the half loop
90 : int TotalBranches; // Total number of branches on the half loop
91 : int NodeNumIn; // Node number for the inlet to this loop
92 : std::string NodeNameIn; // Node name for the inlet to this loop
93 : int NodeNumOut; // Node number for the outlet to this loop
94 : std::string NodeNameOut; // Node name for the outlet to this loop
95 : int TotalPumps; // total number of pumps on the half loop
96 : bool BranchPumpsExist; // logical flag indication branch pumps exist on half loop
97 : Array1D<LoopSidePumpInformation> Pumps;
98 : Real64 TotalPumpHeat; // [W] total heat addition by the pumps to place in "tank"
99 : bool BypassExists;
100 : bool InletNodeSetPt;
101 : bool OutletNodeSetPt;
102 : bool EMSCtrl;
103 : Real64 EMSValue;
104 : bool FlowRestrictionFlag; // Max available flow at the outlet of the half loop
105 : // is less than max available flow at inlet
106 : DataPlant::FlowLock FlowLock;
107 : int TotalConnected; // total number of other loops connected to this loop side
108 : Array1D<ConnectedLoopData> Connected; // Other loops connected to this Loop side
109 : Array1D<BranchData> Branch; // Branch data
110 : SplitterData Splitter; // Data for splitter on branch (if any)
111 : MixerData Mixer; // Data for splitter on branch (if any)
112 : bool HasPressureComponents;
113 : bool HasParallelPressComps;
114 : Real64 PressureDrop;
115 : Real64 PressureEffectiveK;
116 : int errCount_LoadWasntDist;
117 : int errIndex_LoadWasntDist;
118 : int errCount_LoadRemains;
119 : int errIndex_LoadRemains;
120 : Real64 LoopSideInlet_TankTemp;
121 : Real64 LoopSideInlet_MdotCpDeltaT;
122 : Real64 LoopSideInlet_McpDTdt;
123 : Real64 LoopSideInlet_CapExcessStorageTime;
124 : Real64 LoopSideInlet_CapExcessStorageTimeReport;
125 : Real64 LoopSideInlet_TotalTime;
126 : PlantConvergencePoint InletNode;
127 : PlantConvergencePoint OutletNode;
128 : Real64 flowRequestNeedIfOn;
129 : Real64 flowRequestNeedAndTurnOn;
130 : Real64 flowRequestFinal;
131 : bool hasConstSpeedBranchPumps;
132 : Array1D<Real64> noLoadConstantSpeedBranchFlowRateSteps;
133 : Real64 InitialDemandToLoopSetPoint;
134 : Real64 CurrentAlterationsToDemand;
135 : Real64 UpdatedDemandToLoopSetPoint;
136 : Real64 LoadToLoopSetPointThatWasntMet; // Unmet Demand
137 : Real64 InitialDemandToLoopSetPointSAVED;
138 : std::string loopSideDescription;
139 : int refrigIndex; // Index denoting refrigerant used (possibly steam)
140 : // report variables
141 : Real64 LoopSetPtDemandAtInlet;
142 : Real64 ThisSideLoadAlterations;
143 : PlantLocation plantLoc;
144 : // Default Constructor
145 1592 : HalfLoopData()
146 1592 : : SimLoopSideNeeded(true), SimZoneEquipNeeded(true), SimAirLoopsNeeded(true), SimNonZoneEquipNeeded(true), SimElectLoadCentrNeeded(true),
147 1592 : OncePerTimeStepOperations(true), TimeElapsed(0.0), FlowRequest(0.0), FlowRequestTemperature(0.0),
148 1592 : TempSetPoint(DataLoopNode::SensedNodeFlagValue), TempSetPointHi(DataLoopNode::SensedNodeFlagValue),
149 3184 : TempSetPointLo(DataLoopNode::SensedNodeFlagValue), TempInterfaceTankOutlet(0.0), LastTempInterfaceTankOutlet(0.0), TotalBranches(0),
150 6368 : NodeNumIn(0), NodeNumOut(0), TotalPumps(0), BranchPumpsExist(false), TotalPumpHeat(0.0), BypassExists(false), InletNodeSetPt(false),
151 1592 : OutletNodeSetPt(false), EMSCtrl(false), EMSValue(0.0), FlowRestrictionFlag(false), FlowLock(DataPlant::FlowLock::Unlocked),
152 3184 : TotalConnected(0), HasPressureComponents(false), HasParallelPressComps(false), PressureDrop(0.0), PressureEffectiveK(0.0),
153 1592 : errCount_LoadWasntDist(0), errIndex_LoadWasntDist(0), errCount_LoadRemains(0), errIndex_LoadRemains(0), LoopSideInlet_TankTemp(0.0),
154 1592 : LoopSideInlet_MdotCpDeltaT(0.0), LoopSideInlet_McpDTdt(0.0), LoopSideInlet_CapExcessStorageTime(0.0),
155 1592 : LoopSideInlet_CapExcessStorageTimeReport(0.0), LoopSideInlet_TotalTime(0.0), InletNode(0.0, 0.0), OutletNode(0.0, 0.0),
156 1592 : flowRequestNeedIfOn(0.0), flowRequestNeedAndTurnOn(0.0), flowRequestFinal(0.0), hasConstSpeedBranchPumps(false),
157 1592 : InitialDemandToLoopSetPoint(0.0), CurrentAlterationsToDemand(0.0), UpdatedDemandToLoopSetPoint(0.0),
158 3184 : LoadToLoopSetPointThatWasntMet(0.0), InitialDemandToLoopSetPointSAVED(0.0), refrigIndex(0), LoopSetPtDemandAtInlet(0.0),
159 3184 : ThisSideLoadAlterations(0.0), plantLoc{}
160 : {
161 1592 : }
162 :
163 : void ValidateFlowControlPaths(EnergyPlusData &state);
164 :
165 : Real64 DetermineLoopSideFlowRate(EnergyPlusData &state, int ThisSideInletNode, Real64 ThisSideLoopFlowRequest);
166 :
167 : void SimulateAllLoopSideBranches(EnergyPlusData &state, Real64 ThisLoopSideFlow, bool FirstHVACIteration, bool &LoopShutDownFlag);
168 :
169 : void SimulateLoopSideBranchGroup(
170 : EnergyPlusData &state, int FirstBranchNum, int LastBranchNum, Real64 FlowRequest, bool FirstHVACIteration, bool &LoopShutDownFlag);
171 :
172 : void UpdatePlantSplitter(EnergyPlusData &state);
173 :
174 : void UpdatePlantMixer(EnergyPlusData &state);
175 :
176 : void TurnOnAllLoopSideBranches();
177 :
178 : void DisableAnyBranchPumpsConnectedToUnloadedEquipment();
179 :
180 : void DoFlowAndLoadSolutionPass(EnergyPlusData &state, LoopSideLocation OtherSide, int ThisSideInletNode, bool FirstHVACIteration);
181 :
182 : Real64 CalcOtherSideDemand(EnergyPlusData &state, Real64 ThisLoopSideFlow);
183 :
184 : Real64 SetupLoopFlowRequest(EnergyPlusData &state, const LoopSideLocation OtherSide);
185 :
186 : Real64 EvaluateLoopSetPointLoad(EnergyPlusData &state, int FirstBranchNum, int LastBranchNum, Real64 ThisLoopSideFlow);
187 :
188 : void ResolveParallelFlows(EnergyPlusData &state, Real64 ThisLoopSideFlow, bool FirstHVACIteration);
189 :
190 : void SimulateSinglePump(EnergyPlusData &state, PlantLocation SpecificPumpLocation, Real64 &SpecificPumpFlowRate);
191 :
192 : void UpdateAnyLoopDemandAlterations(EnergyPlusData &state, int BranchNum, int CompNum);
193 :
194 : void SimulateAllLoopSidePumps(EnergyPlusData &state,
195 : ObjexxFCL::Optional<PlantLocation const> SpecificPumpLocation = _,
196 : ObjexxFCL::Optional<Real64 const> SpecificPumpFlowRate = _);
197 :
198 : void AdjustPumpFlowRequestByEMSControls(int BranchNum, int CompNum, Real64 &FlowToRequest);
199 :
200 : void PushBranchFlowCharacteristics(EnergyPlusData &state,
201 : int BranchNum,
202 : Real64 ValueToPush,
203 : bool FirstHVACIteration // TRUE if First HVAC iteration of Time step
204 : );
205 :
206 : bool CheckPlantConvergence(bool FirstHVACIteration);
207 :
208 : void solve(EnergyPlusData &state, bool FirstHVACIteration, bool &ReSimOtherSideNeeded);
209 : };
210 : } // namespace DataPlant
211 : } // namespace EnergyPlus
212 :
213 : #endif
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