Line data Source code
1 : // EnergyPlus, Copyright (c) 1996-2023, The Board of Trustees of the University of Illinois,
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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/EnergyPlus.hh>
54 :
55 : namespace EnergyPlus {
56 :
57 : // Forward declarations
58 : struct EnergyPlusData;
59 :
60 : namespace ExhaustAirSystemManager {
61 :
62 6 : struct ExhaustAir
63 : {
64 : // Members
65 : std::string Name = "";
66 :
67 : int AvailScheduleNum = DataGlobalConstants::ScheduleAlwaysOn;
68 : std::string ZoneMixerName = "";
69 : int ZoneMixerIndex = 0;
70 : int CentralFanTypeNum = 0;
71 : std::string CentralFanName = "";
72 : int CentralFanIndex = 0;
73 :
74 : bool SizingFlag = true;
75 :
76 : // output variables
77 : Real64 centralFan_MassFlowRate = 0.0;
78 : Real64 centralFan_VolumeFlowRate_Std = 0.0;
79 : Real64 centralFan_VolumeFlowRate_Cur = 0.0;
80 : Real64 centralFan_Power = 0.0;
81 : Real64 centralFan_Energy = 0.0;
82 :
83 : // Output acc variable for heat rejection outputs
84 : Real64 exhTotalHVACReliefHeatLoss = 0.0; // feed to state.dataHeatBal->SysTotalHVACReliefHeatLoss
85 : };
86 :
87 12 : struct ZoneExhaustControl
88 : {
89 : enum class FlowControlType
90 : {
91 : Invalid = -1,
92 : Scheduled,
93 : FollowSupply,
94 : Num
95 : };
96 :
97 : std::string Name = "";
98 :
99 : int AvailScheduleNum = DataGlobalConstants::ScheduleAlwaysOn;
100 :
101 : std::string ZoneName = "";
102 : int ZoneNum = 0;
103 : int ControlledZoneNum = 0;
104 :
105 : int InletNodeNum = 0;
106 : int OutletNodeNum = 0;
107 :
108 : Real64 DesignExhaustFlowRate = 0.0;
109 : FlowControlType FlowControlOption = FlowControlType::Scheduled;
110 : int ExhaustFlowFractionScheduleNum = 0;
111 : std::string SupplyNodeOrNodelistName = "";
112 : int SupplyNodeOrNodelistNum = 0; // may not need this one
113 : int MinZoneTempLimitScheduleNum = 0;
114 : int MinExhFlowFracScheduleNum = 0;
115 : int BalancedExhFracScheduleNum = 0;
116 : Real64 BalancedFlow = 0.0;
117 : Real64 UnbalancedFlow = 0.0;
118 :
119 : Array1D_int SuppNodeNums;
120 : };
121 :
122 : void SimExhaustAirSystem(EnergyPlusData &state, bool FirstHVACIteration);
123 :
124 : void GetExhaustAirSystemInput(EnergyPlusData &state);
125 :
126 : void InitExhaustAirSystem(int &ExhaustAirSystemNum); // maybe unused
127 :
128 : void CalcExhaustAirSystem(EnergyPlusData &state, int const ExhaustAirSystemNum, bool FirstHVACIteration);
129 :
130 : void ReportExhaustAirSystem(int &ExhaustAirSystemNum); // may condiser reactivate this for the exhaust system
131 :
132 : void GetZoneExhaustControlInput(EnergyPlusData &state);
133 :
134 : void SimZoneHVACExhaustControls(EnergyPlusData &state);
135 :
136 : void CalcZoneHVACExhaustControl(EnergyPlusData &state, int const ZoneHVACExhaustControlNum, Optional<bool const> FlowRatio);
137 :
138 : void SizeExhaustSystem(EnergyPlusData &state, int const exhSysNum);
139 :
140 : void SizeExhaustControlFlow(EnergyPlusData &state, int const zoneExhCtrlNum, Array1D_int &NodeNums);
141 :
142 : void UpdateZoneExhaustControl(EnergyPlusData &state);
143 :
144 : void CheckForSupplyNode(EnergyPlusData &state, int const ExhCtrlNum, bool &NodeNotFound);
145 :
146 : bool ExhaustSystemHasMixer(EnergyPlusData &state, std::string_view CompName); // component (mixer) name
147 : } // namespace ExhaustAirSystemManager
148 :
149 771 : struct ExhaustAirSystemMgr : BaseGlobalStruct
150 : {
151 :
152 : bool GetInputFlag = true;
153 :
154 0 : void clear_state() override
155 : {
156 0 : this->GetInputFlag = true;
157 0 : }
158 : };
159 :
160 771 : struct ExhaustControlSystemMgr : BaseGlobalStruct
161 : {
162 :
163 : bool GetInputFlag = true;
164 :
165 0 : void clear_state() override
166 : {
167 0 : this->GetInputFlag = true;
168 0 : }
169 : };
170 :
171 : } // namespace EnergyPlus
172 :
173 : #endif
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