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1 : // EnergyPlus, Copyright (c) 1996-2023, The Board of Trustees of the University of Illinois,
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47 :
48 : #ifndef HVACInterfaceManager_hh_INCLUDED
49 : #define HVACInterfaceManager_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataConvergParams.hh>
57 : #include <EnergyPlus/EnergyPlus.hh>
58 : #include <EnergyPlus/Plant/Enums.hh>
59 : #include <EnergyPlus/Plant/PlantLocation.hh>
60 :
61 : namespace EnergyPlus {
62 :
63 : // Forward declarations
64 : struct EnergyPlusData;
65 :
66 : namespace HVACInterfaceManager {
67 :
68 : // Common Pipe Recirc Flow Directions
69 : // can't change these to enum class since these are used in SetupOutputVariable()
70 : constexpr int NoRecircFlow(0);
71 : constexpr int PrimaryRecirc(1); // flow from Supply-outlet/Demand-inlet to Supply-inlet/demand-outlet
72 : constexpr int SecondaryRecirc(2); // flow from Supply-inlet/Demand-outlet to Supply-outlet/demand-inlet
73 :
74 : enum class FlowType
75 : {
76 : Invalid = -1,
77 : Constant,
78 : Variable,
79 : Num
80 : };
81 :
82 12 : struct CommonPipeData
83 : {
84 : // Members
85 : DataPlant::CommonPipeType CommonPipeType = DataPlant::CommonPipeType::No; // type of common pipe used if any
86 : FlowType SupplySideInletPumpType = FlowType::Invalid;
87 : FlowType DemandSideInletPumpType = FlowType::Invalid;
88 : // Following report variables are used in uncontrolled common pipe
89 : int FlowDir = 0; // Direction in which flow is in Common Pipe
90 : Real64 Flow = 0.0; // Flow in the Common Pipe
91 : Real64 Temp = 0.0;
92 : // Following report variables are used in two-way common pipe
93 : Real64 SecCPLegFlow = 0.0; // Mass flow in the secondary side Common pipe leg
94 : Real64 PriCPLegFlow = 0.0; // Mass flow in the primary side Common pipe leg
95 : Real64 SecToPriFlow = 0.0; // Mass flow in the pipe from Secondary to primary side
96 : Real64 PriToSecFlow = 0.0; // Mass flow in the pipe from primary to Secondary side
97 : Real64 PriInTemp = 0.0; // Temperature at primary inlet node
98 : Real64 PriOutTemp = 0.0; // Temperature at primary outlet node
99 : Real64 SecInTemp = 0.0; // Temperature at secondary inlet node
100 : Real64 SecOutTemp = 0.0; // Temperature at secondary outlet node
101 : Real64 PriInletSetPoint = 0.0; // Setpoint at Primary inlet node
102 : Real64 SecInletSetPoint = 0.0; // Setpoint at Secondary inlet node
103 : bool PriInletControlled = false; // True if Primary inlet node is controlled
104 : bool SecInletControlled = false; // True if secondary inlet is controlled
105 : Real64 PriFlowRequest = 0.0; // total flow request on supply side.
106 : bool MyEnvrnFlag = true;
107 : };
108 :
109 : void UpdateHVACInterface(EnergyPlusData &state,
110 : int AirLoopNum, // airloop number for which air loop this is
111 : DataConvergParams::CalledFrom CalledFrom,
112 : int OutletNode, // Node number for the outlet of the side of the loop just simulated
113 : int InletNode, // Node number for the inlet of the side that needs the outlet node data
114 : bool &OutOfToleranceFlag // True when the other side of the loop need to be (re)simulated
115 : );
116 :
117 : void UpdatePlantLoopInterface(EnergyPlusData &state,
118 : PlantLocation const &plantLoc, // The 'outlet node' Location
119 : int ThisLoopSideOutletNode, // Node number for the inlet of the side that needs the outlet node data
120 : int OtherLoopSideInletNode, // Node number for the outlet of the side of the loop just simulated
121 : bool &OutOfToleranceFlag, // True when the other side of the loop need to be (re)simulated
122 : DataPlant::CommonPipeType CommonPipeType);
123 :
124 : void UpdateHalfLoopInletTemp(EnergyPlusData &state, int LoopNum, DataPlant::LoopSideLocation TankInletLoopSide, Real64 &TankOutletTemp);
125 :
126 : void UpdateCommonPipe(EnergyPlusData &state,
127 : const PlantLocation &TankInletPlantLoc,
128 : DataPlant::CommonPipeType CommonPipeType,
129 : Real64 &MixedOutletTemp);
130 :
131 : void ManageSingleCommonPipe(EnergyPlusData &state,
132 : int LoopNum, // plant loop number
133 : DataPlant::LoopSideLocation LoopSide, // plant loop side number
134 : Real64 TankOutletTemp, // inlet temperature to the common pipe passed in from the capacitance calculation
135 : Real64 &MixedOutletTemp // inlet temperature to the common pipe passed in from the capacitance calculation
136 : );
137 :
138 : void ManageTwoWayCommonPipe(EnergyPlusData &state, PlantLocation const &plantLoc, Real64 TankOutletTemp);
139 :
140 : void SetupCommonPipes(EnergyPlusData &state);
141 :
142 : // In-Place Right Shift by 1 of Array Elements
143 68832822 : inline void rshift1(std::array<Real64, DataConvergParams::ConvergLogStackDepth> &a)
144 : {
145 68832822 : Real64 lastVal = a[a.size() - 1];
146 688328220 : for (unsigned int i = a.size() - 1; i > 0; --i) {
147 619495398 : a[i] = a[i - 1];
148 : }
149 68832822 : a[0] = lastVal;
150 68832822 : }
151 :
152 : } // namespace HVACInterfaceManager
153 :
154 1542 : struct HVACInterfaceManagerData : BaseGlobalStruct
155 : {
156 :
157 : bool CommonPipeSetupFinished = false;
158 : Array1D<HVACInterfaceManager::CommonPipeData> PlantCommonPipe;
159 : Array1D<Real64> TmpRealARR = Array1D<Real64>(DataConvergParams::ConvergLogStackDepth); // Tuned Made static
160 :
161 0 : void clear_state() override
162 : {
163 0 : this->CommonPipeSetupFinished = false;
164 0 : this->PlantCommonPipe.deallocate();
165 0 : }
166 : };
167 :
168 : } // namespace EnergyPlus
169 :
170 : #endif
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