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47 :
48 : #ifndef HeatPumpWaterToWaterHEATING_hh_INCLUDED
49 : #define HeatPumpWaterToWaterHEATING_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/EnergyPlus.hh>
58 : #include <EnergyPlus/Plant/DataPlant.hh>
59 : #include <EnergyPlus/PlantComponent.hh>
60 :
61 : namespace EnergyPlus {
62 :
63 : // Forward declarations
64 : struct EnergyPlusData;
65 :
66 : namespace HeatPumpWaterToWaterHEATING {
67 :
68 : struct GshpPeHeatingSpecs : PlantComponent
69 : {
70 : // Members
71 : std::string Name; // user identifier
72 : DataPlant::PlantEquipmentType WWHPPlantType; // equipment type num
73 :
74 : Fluid::RefrigProps *refrig = nullptr;
75 : bool Available; // need an array of logicals--load identifiers of available equipment
76 : bool ON; // simulate the machine at it's operating part load ratio
77 : Real64 COP; // Coefficient of Performance of the machine
78 : Real64 NomCap; // Nominal Capacity of the HeatPump
79 : Real64 MinPartLoadRat; // Minimum operating Part Load Ratio
80 : Real64 MaxPartLoadRat; // Maximum operating Part Load Ratio
81 : Real64 OptPartLoadRat; // Optimal operating Part Load Ratio
82 : Real64 LoadSideVolFlowRate; // Design Flow Rate on the Load side m3/sec
83 : Real64 LoadSideDesignMassFlow; // Design flow rate (kg/s)
84 : Real64 SourceSideVolFlowRate; // Design Flow Rate on th Source Side m3/sec
85 : Real64 SourceSideDesignMassFlow; // Design flow rate (kg/s)
86 : int SourceSideInletNodeNum; // Node number on the inlet side of the plant
87 : int SourceSideOutletNodeNum; // Node number on the outlet side of the plant
88 : int LoadSideInletNodeNum; // Node number on the inlet side of the Load Side
89 : int LoadSideOutletNodeNum; // Node number on the outlet side of the Load Side
90 : Real64 SourceSideUACoeff; // Source Side heat transfer coeff W/K
91 : Real64 LoadSideUACoeff; // Load Side heat transfer coeff W/K
92 : Real64 CompPistonDisp; // compressor piston displacement m3
93 : Real64 CompClearanceFactor; // compressor clearance factor
94 : Real64 CompSucPressDrop; // deltap , compressor suction and discharge pressure drop Pascals
95 : Real64 SuperheatTemp; // deltatsh , super heating °C
96 : Real64 PowerLosses; // constant part of electro mechanical power losses watts Joules/sec
97 : Real64 LossFactor; // loss factor used ot define the electro mechanical
98 : // loss that is supposed to be proportional to the theoretical power
99 : Real64 HighPressCutoff; // Maximum Design Pressure on the Load Side Pascals
100 : Real64 LowPressCutoff; // Minimum Design Pressure on the Source Side Pascals
101 : bool IsOn;
102 : bool MustRun;
103 : // loop topology variables
104 : PlantLocation SourcePlantLoc; // source side plant loop component location
105 : PlantLocation LoadPlantLoc; // load side plant loop component location
106 : int CondMassFlowIndex; // index for criteria in PullCompInterconnectTrigger
107 :
108 : // Members
109 : Real64 Power; // Power Consumption Watts
110 : Real64 Energy; // Energy Consumption Joules
111 : Real64 QLoad; // Load Side heat transfer rate Watts
112 : Real64 QLoadEnergy; // Load Side heat transfer Joules
113 : Real64 QSource; // Source Side heat transfer rate Watts
114 : Real64 QSourceEnergy; // Source Side heat transfer Joules
115 : Real64 LoadSideWaterInletTemp; // Load Side outlet temperature °C
116 : Real64 SourceSideWaterInletTemp; // Source Side outlet temperature °C
117 : Real64 LoadSideWaterOutletTemp; // Load Side outlet temperature °C
118 : Real64 SourceSideWaterOutletTemp; // Source Side outlet temperature °C
119 : Real64 LoadSideWaterMassFlowRate; // Mass flow rate of the cooling water in Load Side Kg/s
120 : Real64 SourceSideWaterMassFlowRate; // Mass flow rate of chilled water in Eavporator Kg/s
121 : int Running; // On reporting Flag
122 : bool plantScanFlag;
123 : bool beginEnvironFlag;
124 :
125 : // Default Constructor
126 0 : GshpPeHeatingSpecs()
127 0 : : WWHPPlantType(DataPlant::PlantEquipmentType::Invalid), Available(false), ON(false), COP(0.0), NomCap(0.0), MinPartLoadRat(0.0),
128 0 : MaxPartLoadRat(0.0), OptPartLoadRat(0.0), LoadSideVolFlowRate(0.0), LoadSideDesignMassFlow(0.0), SourceSideVolFlowRate(0.0),
129 0 : SourceSideDesignMassFlow(0.0), SourceSideInletNodeNum(0), SourceSideOutletNodeNum(0), LoadSideInletNodeNum(0), LoadSideOutletNodeNum(0),
130 0 : SourceSideUACoeff(0.0), LoadSideUACoeff(0.0), CompPistonDisp(0.0), CompClearanceFactor(0.0), CompSucPressDrop(0.0), SuperheatTemp(0.0),
131 0 : PowerLosses(0.0), LossFactor(0.0), HighPressCutoff(0.0), LowPressCutoff(0.0), IsOn(false), MustRun(false), CondMassFlowIndex(0),
132 0 : Power(0.0), Energy(0.0), QLoad(0.0), QLoadEnergy(0.0), QSource(0.0), QSourceEnergy(0.0), LoadSideWaterInletTemp(0.0),
133 0 : SourceSideWaterInletTemp(0.0), LoadSideWaterOutletTemp(0.0), SourceSideWaterOutletTemp(0.0), LoadSideWaterMassFlowRate(0.0),
134 0 : SourceSideWaterMassFlowRate(0.0), Running(0), plantScanFlag(true), beginEnvironFlag(true)
135 : {
136 0 : }
137 :
138 0 : virtual ~GshpPeHeatingSpecs() = default;
139 :
140 : static GshpPeHeatingSpecs *factory(EnergyPlusData &state, const std::string &objectName);
141 :
142 : void simulate([[maybe_unused]] EnergyPlusData &state,
143 : const PlantLocation &calledFromLocation,
144 : bool FirstHVACIteration,
145 : Real64 &CurLoad,
146 : bool RunFlag) override;
147 :
148 : void getDesignCapacities(
149 : EnergyPlusData &state, const PlantLocation &calledFromLocation, Real64 &MaxLoad, Real64 &MinLoad, Real64 &OptLoad) override;
150 :
151 : void onInitLoopEquip([[maybe_unused]] EnergyPlusData &state, [[maybe_unused]] const PlantLocation &calledFromLocation) override;
152 :
153 : void initialize(EnergyPlusData &state);
154 :
155 : void calculate(EnergyPlusData &state, Real64 &MyLoad);
156 :
157 : void update(EnergyPlusData &state);
158 :
159 : void oneTimeInit(EnergyPlusData &state) override;
160 :
161 : void oneTimeInit_new(EnergyPlusData &state) override;
162 : };
163 :
164 : void GetGshpInput(EnergyPlusData &state);
165 :
166 : } // namespace HeatPumpWaterToWaterHEATING
167 :
168 : struct HeatPumpWaterToWaterHEATINGData : BaseGlobalStruct
169 : {
170 :
171 : int NumGSHPs = 0;
172 : bool GetWWHPHeatingInput = true;
173 : Array1D<HeatPumpWaterToWaterHEATING::GshpPeHeatingSpecs> GSHP;
174 :
175 2126 : void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
176 : {
177 2126 : }
178 :
179 1152 : void init_state([[maybe_unused]] EnergyPlusData &state) override
180 : {
181 1152 : }
182 :
183 2100 : void clear_state() override
184 : {
185 2100 : this->NumGSHPs = 0;
186 2100 : this->GetWWHPHeatingInput = true;
187 2100 : this->GSHP.deallocate();
188 2100 : }
189 : };
190 :
191 : } // namespace EnergyPlus
192 :
193 : #endif
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