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47 :
48 : #ifndef WindowAC_hh_INCLUDED
49 : #define WindowAC_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 :
59 : namespace EnergyPlus {
60 :
61 : // Forward declarations
62 : struct EnergyPlusData;
63 :
64 : namespace WindowAC {
65 :
66 47 : struct WindACData
67 : {
68 : // Members
69 : // input data
70 : std::string Name; // name of unit
71 : int UnitType; // type of unit
72 : std::string Sched; // availability schedule
73 : int SchedPtr; // index to schedule
74 : int FanSchedPtr; // index to fan operating mode schedule
75 : int FanAvailSchedPtr; // index to fan availability schedule
76 : Real64 MaxAirVolFlow; // m3/s
77 : Real64 MaxAirMassFlow; // kg/s
78 : Real64 OutAirVolFlow; // m3/s
79 : Real64 OutAirMassFlow; // kg/s
80 : int AirInNode; // inlet air node number
81 : int AirOutNode; // outlet air node number
82 : int OutsideAirNode; // outside air node number
83 : int AirReliefNode; // relief air node number
84 : int MixedAirNode; // Mixed Air Node number
85 : std::string OAMixName; // name of outdoor air mixer
86 : std::string OAMixType; // type of outdoor air mixer
87 : int OAMixIndex;
88 : std::string FanName; // name of fan
89 : std::string FanType; // type of fan
90 : int FanType_Num; // index to fan type
91 : int FanIndex;
92 : std::string DXCoilName; // name of cooling coil
93 : std::string DXCoilType; // type of cooling coil,Coil:DX:CoolingBypassFactorEmpirical or
94 : // 'CoilSystem:Cooling:DX:HeatExchangerAssisted'
95 : int DXCoilType_Num; // Numeric Equivalent for DXCoil Type
96 : int DXCoilIndex; // Index to DX cooling coil
97 : int DXCoilNumOfSpeeds; // number of speed levels for variable speed DX coil
98 : int CoilOutletNodeNum; // Outlet node number of DX cooling coil
99 : int OpMode; // mode of operation; 1=cycling fan, cycling compressor,
100 : // 2=continuous fan, cycling compresor
101 : int FanPlace; // fan placement; 1=blow through, 2=draw through
102 : int MaxIterIndex1;
103 : int MaxIterIndex2;
104 : Real64 ConvergenceTol; // Convergence tolerance, fraction (ZoneLoad - Equip Output)/ZoneLoad
105 : // Calc data
106 : Real64 PartLoadFrac; // part load fraction for the unit
107 : bool EMSOverridePartLoadFrac;
108 : Real64 EMSValueForPartLoadFrac;
109 : // Report data
110 : Real64 TotCoolEnergyRate; // total cooling output [W]
111 : Real64 TotCoolEnergy; // total cooling output [J]
112 : Real64 SensCoolEnergyRate; // sensible cooling output [W]
113 : Real64 SensCoolEnergy; // sensible cooling output [J]
114 : Real64 LatCoolEnergyRate; // sensible cooling output [W]
115 : Real64 LatCoolEnergy; // sensible cooling output [J]
116 : Real64 ElecPower; // electricity consumed [W]
117 : Real64 ElecConsumption; // electricity consumed [J]
118 : Real64 FanPartLoadRatio; // fan part-load ratio for time step
119 : Real64 CompPartLoadRatio; // compressor part-load ratio for time step
120 : std::string AvailManagerListName; // Name of an availability manager list object
121 : int AvailStatus;
122 : int ZonePtr; // pointer to a zone served by a Window AC unit
123 : int HVACSizingIndex; // index of a HVACSizing object for a Window AC unit
124 : bool FirstPass; // detects first time through for resetting sizing data
125 :
126 : // Default Constructor
127 5 : WindACData()
128 5 : : UnitType(0), SchedPtr(0), FanSchedPtr(0), FanAvailSchedPtr(0), MaxAirVolFlow(0.0), MaxAirMassFlow(0.0), OutAirVolFlow(0.0),
129 : OutAirMassFlow(0.0), AirInNode(0), AirOutNode(0), OutsideAirNode(0), AirReliefNode(0), MixedAirNode(0), OAMixIndex(0), FanType_Num(0),
130 : FanIndex(0), DXCoilType_Num(0), DXCoilIndex(0), DXCoilNumOfSpeeds(0), CoilOutletNodeNum(0), OpMode(0), FanPlace(0), MaxIterIndex1(0),
131 : MaxIterIndex2(0), ConvergenceTol(0.0), PartLoadFrac(0.0), EMSOverridePartLoadFrac(false), EMSValueForPartLoadFrac(0.0),
132 : TotCoolEnergyRate(0.0), TotCoolEnergy(0.0), SensCoolEnergyRate(0.0), SensCoolEnergy(0.0), LatCoolEnergyRate(0.0), LatCoolEnergy(0.0),
133 : ElecPower(0.0), ElecConsumption(0.0), FanPartLoadRatio(0.0), CompPartLoadRatio(0.0), AvailStatus(0), ZonePtr(0), HVACSizingIndex(0),
134 5 : FirstPass(true)
135 : {
136 5 : }
137 : };
138 :
139 47 : struct WindACNumericFieldData
140 : {
141 : // Members
142 : Array1D_string FieldNames;
143 :
144 : // Default Constructor
145 5 : WindACNumericFieldData()
146 5 : {
147 5 : }
148 : };
149 :
150 : // Functions
151 :
152 : void SimWindowAC(EnergyPlusData &state,
153 : std::string_view CompName, // name of the window AC unit
154 : int const ZoneNum, // number of zone being served
155 : bool const FirstHVACIteration, // TRUE if 1st HVAC simulation of system timestep
156 : Real64 &PowerMet, // Sensible power supplied by window AC (W)
157 : Real64 &LatOutputProvided, // Latent add/removal supplied by window AC (kg/s), dehumid = negative
158 : int &CompIndex // component index
159 : );
160 :
161 : void GetWindowAC(EnergyPlusData &state);
162 :
163 : void InitWindowAC(EnergyPlusData &state,
164 : int const WindACNum, // number of the current window AC unit being simulated
165 : Real64 &QZnReq, // zone load (modified as needed) (W)
166 : int const ZoneNum, // index to zone
167 : bool const FirstHVACIteration // TRUE when first HVAC iteration
168 : );
169 :
170 : void SizeWindowAC(EnergyPlusData &state, int const WindACNum);
171 :
172 : void SimCyclingWindowAC(EnergyPlusData &state,
173 : int const WindACNum, // number of the current window AC unit being simulated
174 : int const ZoneNum, // number of zone being served !unused1208
175 : bool const FirstHVACIteration, // TRUE if 1st HVAC simulation of system timestep
176 : Real64 &PowerMet, // Sensible power supplied (W)
177 : Real64 const QZnReq, // Sensible load to be met (W)
178 : Real64 &LatOutputProvided // Latent power supplied (kg/s), negative = dehumidification
179 : );
180 :
181 : void ReportWindowAC(EnergyPlusData &state, int const WindACNum); // number of the current AC unit being simulated
182 :
183 : void CalcWindowACOutput(EnergyPlusData &state,
184 : int const WindACNum, // Unit index in fan coil array
185 : bool const FirstHVACIteration, // flag for 1st HVAV iteration in the time step
186 : int const OpMode, // operating mode: CycFanCycCoil | ContFanCycCoil
187 : Real64 const PartLoadFrac, // unit part load fraction
188 : bool const HXUnitOn, // Flag to toggle HX heat recovery as needed
189 : Real64 &LoadMet // load met by unit (watts)
190 : );
191 :
192 : void ControlCycWindACOutput(EnergyPlusData &state,
193 : int const WindACNum, // Unit index in fan coil array
194 : bool const FirstHVACIteration, // flag for 1st HVAV iteration in the time step
195 : int const OpMode, // operating mode: CycFanCycCoil | ContFanCycCoil
196 : Real64 const QZnReq, // cooling output needed by zone [W]
197 : Real64 &PartLoadFrac, // unit part load fraction
198 : bool &HXUnitOn // Used to control HX heat recovery as needed
199 : );
200 :
201 : int GetWindowACZoneInletAirNode(EnergyPlusData &state, int const WindACNum);
202 :
203 : int GetWindowACOutAirNode(EnergyPlusData &state, int const WindACNum);
204 :
205 : int GetWindowACReturnAirNode(EnergyPlusData &state, int const WindACNum);
206 :
207 : int GetWindowACMixedAirNode(EnergyPlusData &state, int const WindACNum);
208 :
209 : } // namespace WindowAC
210 :
211 771 : struct WindowACData : BaseGlobalStruct
212 : {
213 :
214 : // MODULE PARAMETER DEFINITIONS
215 : int const WindowAC_UnitType;
216 : std::string const cWindowAC_UnitType;
217 : Array1D_string const cWindowAC_UnitTypes;
218 :
219 : bool MyOneTimeFlag;
220 : bool ZoneEquipmentListChecked;
221 :
222 : int NumWindAC;
223 : int NumWindACCyc;
224 : Array1D_bool MySizeFlag;
225 : bool GetWindowACInputFlag; // First time, input is "gotten"
226 : bool CoolingLoad; // defines a cooling load
227 : Array1D_bool CheckEquipName;
228 : // Object Data
229 : Array1D<WindowAC::WindACData> WindAC;
230 : Array1D<WindowAC::WindACNumericFieldData> WindACNumericFields; // holds window AC numeric input fields character field name
231 :
232 : Array1D_bool MyEnvrnFlag; // one time initialization flag
233 : Array1D_bool MyZoneEqFlag; // used to set up zone equipment availability managers
234 :
235 0 : void clear_state() override
236 : {
237 0 : this->NumWindAC = 0;
238 0 : this->NumWindACCyc = 0;
239 0 : this->GetWindowACInputFlag = true;
240 0 : this->CoolingLoad = false;
241 0 : this->MyOneTimeFlag = true;
242 0 : this->ZoneEquipmentListChecked = false;
243 0 : this->MySizeFlag.deallocate();
244 0 : this->CheckEquipName.deallocate();
245 0 : this->WindAC.deallocate();
246 0 : this->WindACNumericFields.deallocate();
247 0 : this->MyEnvrnFlag.deallocate();
248 0 : this->MyZoneEqFlag.deallocate();
249 0 : }
250 :
251 : // Default Constructor
252 771 : WindowACData()
253 771 : : WindowAC_UnitType(1), cWindowAC_UnitType("ZoneHVAC:WindowAirConditioner"), cWindowAC_UnitTypes(1, cWindowAC_UnitType), MyOneTimeFlag(true),
254 771 : ZoneEquipmentListChecked(false), NumWindAC(0), NumWindACCyc(0), GetWindowACInputFlag(true), CoolingLoad(false)
255 : {
256 771 : }
257 : };
258 :
259 : } // namespace EnergyPlus
260 :
261 : #endif
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