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47 :
48 : #ifndef ExhaustAirSystemManager_hh_INCLUDED
49 : #define ExhaustAirSystemManager_hh_INCLUDED
50 :
51 : // EnergyPlus Headers
52 : #include <EnergyPlus/Data/BaseData.hh>
53 : #include <EnergyPlus/DataHVACGlobals.hh>
54 : #include <EnergyPlus/EnergyPlus.hh>
55 : #include <EnergyPlus/ScheduleManager.hh>
56 :
57 : namespace EnergyPlus {
58 :
59 : // Forward declarations
60 : struct EnergyPlusData;
61 :
62 : namespace ExhaustAirSystemManager {
63 :
64 : struct ExhaustAir
65 : {
66 : // Members
67 : std::string Name = "";
68 :
69 : Sched::Schedule *availSched = nullptr;
70 : std::string ZoneMixerName = "";
71 : int ZoneMixerIndex = 0;
72 : HVAC::FanType centralFanType = HVAC::FanType::Invalid;
73 : std::string CentralFanName = "";
74 : int CentralFanIndex = 0;
75 :
76 : bool SizingFlag = true;
77 :
78 : // output variables
79 : Real64 centralFan_MassFlowRate = 0.0;
80 : Real64 centralFan_VolumeFlowRate_Std = 0.0;
81 : Real64 centralFan_VolumeFlowRate_Cur = 0.0;
82 : Real64 centralFan_Power = 0.0;
83 : Real64 centralFan_Energy = 0.0;
84 :
85 : // Output acc variable for heat rejection outputs
86 : Real64 exhTotalHVACReliefHeatLoss = 0.0; // feed to state.dataHeatBal->SysTotalHVACReliefHeatLoss
87 : };
88 :
89 : struct ZoneExhaustControl
90 : {
91 : enum class FlowControlType
92 : {
93 : Invalid = -1,
94 : Scheduled,
95 : FollowSupply,
96 : Num
97 : };
98 :
99 : std::string Name = "";
100 :
101 : Sched::Schedule *availSched = nullptr;
102 :
103 : std::string ZoneName = "";
104 : int ZoneNum = 0;
105 : int ControlledZoneNum = 0;
106 :
107 : int InletNodeNum = 0;
108 : int OutletNodeNum = 0;
109 :
110 : Real64 DesignExhaustFlowRate = 0.0;
111 : FlowControlType FlowControlOption = FlowControlType::Scheduled;
112 : Sched::Schedule *exhaustFlowFractionSched = nullptr;
113 : std::string SupplyNodeOrNodelistName = "";
114 : int SupplyNodeOrNodelistNum = 0; // may not need this one
115 : Sched::Schedule *minZoneTempLimitSched = nullptr;
116 : Sched::Schedule *minExhFlowFracSched = nullptr;
117 : Sched::Schedule *balancedExhFracSched = nullptr;
118 : Real64 BalancedFlow = 0.0;
119 : Real64 UnbalancedFlow = 0.0;
120 :
121 : Array1D_int SuppNodeNums;
122 : };
123 :
124 : void SimExhaustAirSystem(EnergyPlusData &state, bool FirstHVACIteration);
125 :
126 : void GetExhaustAirSystemInput(EnergyPlusData &state);
127 :
128 : void CalcExhaustAirSystem(EnergyPlusData &state, int const ExhaustAirSystemNum, bool FirstHVACIteration);
129 :
130 : void GetZoneExhaustControlInput(EnergyPlusData &state);
131 :
132 : void SimZoneHVACExhaustControls(EnergyPlusData &state);
133 :
134 : void CalcZoneHVACExhaustControl(EnergyPlusData &state, int const ZoneHVACExhaustControlNum, Real64 const FlowRatio = -1.0);
135 :
136 : void SizeExhaustSystem(EnergyPlusData &state, int const exhSysNum);
137 :
138 : void SizeExhaustControlFlow(EnergyPlusData &state, int const zoneExhCtrlNum, Array1D_int &NodeNums);
139 :
140 : void UpdateZoneExhaustControl(EnergyPlusData &state);
141 :
142 : void CheckForSupplyNode(EnergyPlusData &state, int const ExhCtrlNum, bool &NodeNotFound);
143 :
144 : bool ExhaustSystemHasMixer(EnergyPlusData &state, std::string_view CompName); // component (mixer) name
145 : } // namespace ExhaustAirSystemManager
146 :
147 : struct ExhaustAirSystemMgr : BaseGlobalStruct
148 : {
149 : bool GetInputFlag = true;
150 : std::map<int, int> mixerIndexMap;
151 : bool mappingDone = false;
152 :
153 2126 : void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
154 : {
155 2126 : }
156 :
157 1152 : void init_state([[maybe_unused]] EnergyPlusData &state) override
158 : {
159 1152 : }
160 :
161 2100 : void clear_state() override
162 : {
163 2100 : new (this) ExhaustAirSystemMgr();
164 2100 : }
165 : };
166 :
167 : struct ExhaustControlSystemMgr : BaseGlobalStruct
168 : {
169 :
170 : bool GetInputFlag = true;
171 :
172 2126 : void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
173 : {
174 2126 : }
175 :
176 1152 : void init_state([[maybe_unused]] EnergyPlusData &state) override
177 : {
178 1152 : }
179 :
180 2100 : void clear_state() override
181 : {
182 2100 : new (this) ExhaustControlSystemMgr();
183 2100 : }
184 : };
185 :
186 : } // namespace EnergyPlus
187 :
188 : #endif
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