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47 :
48 : #include <EnergyPlus/Autosizing/HeatingAirflowUASizing.hh>
49 : #include <EnergyPlus/DataHVACGlobals.hh>
50 :
51 : namespace EnergyPlus {
52 :
53 2 : void HeatingAirflowUASizer::initializeForSingleDuctZoneTerminal(EnergyPlusData &state, Real64 const elevation, Real64 mainFlowRate)
54 : {
55 2 : this->initializeFromAPI(state, elevation);
56 2 : this->zoneSizingRunDone = true;
57 2 : this->curZoneEqNum = 1;
58 2 : this->termUnitSingDuct = true;
59 2 : this->curTermUnitSizingNum = 1;
60 2 : this->termUnitSizing.allocate(1);
61 2 : this->termUnitSizing(1).AirVolFlow = mainFlowRate;
62 2 : }
63 :
64 0 : void HeatingAirflowUASizer::initializeForZoneInductionUnit(EnergyPlusData &state,
65 : Real64 const elevation,
66 : Real64 mainFlowRate,
67 : Real64 reheatMultiplier)
68 : {
69 0 : this->initializeFromAPI(state, elevation);
70 0 : this->zoneSizingRunDone = true;
71 0 : this->curZoneEqNum = 1;
72 0 : this->termUnitIU = true;
73 0 : this->termUnitPIU = true; // probably don't need to set both, but whatever
74 0 : this->curTermUnitSizingNum = 1;
75 0 : this->termUnitSizing.allocate(1);
76 0 : this->termUnitSizing(1).AirVolFlow = mainFlowRate;
77 0 : this->termUnitSizing(1).ReheatAirFlowMult = reheatMultiplier;
78 0 : }
79 :
80 0 : void HeatingAirflowUASizer::initializeForZoneFanCoil(EnergyPlusData &state, Real64 const elevation, Real64 designHeatVolumeFlowRate)
81 : {
82 0 : this->initializeFromAPI(state, elevation);
83 0 : this->zoneSizingRunDone = true;
84 0 : this->zoneEqFanCoil = true;
85 0 : this->curZoneEqNum = 1;
86 0 : this->finalZoneSizing.allocate(1);
87 0 : this->finalZoneSizing(1).DesHeatVolFlow = designHeatVolumeFlowRate;
88 0 : }
89 :
90 : // TODO: What would the zone otherTypeEq include?
91 :
92 0 : void HeatingAirflowUASizer::initializeForSystemOutdoorAir(EnergyPlusData &state, Real64 const elevation, Real64 overallSystemMassFlowRate, bool DOAS)
93 : {
94 0 : this->initializeFromAPI(state, elevation);
95 0 : this->curSysNum = 1;
96 0 : this->curOASysNum = 1;
97 0 : if (DOAS) {
98 0 : this->outsideAirSys(1).AirLoopDOASNum = 0; // the DOAS structure is a zero-based vector, w00t!
99 0 : this->airloopDOAS.emplace_back();
100 0 : this->airloopDOAS[0].SizingMassFlow = overallSystemMassFlowRate;
101 : } else {
102 0 : this->finalSysSizing.allocate(1);
103 0 : this->finalSysSizing(1).DesOutAirVolFlow = 0.0; // TODO: what do I do here?
104 0 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).DesOutAirVolFlow;
105 : }
106 0 : }
107 :
108 0 : void HeatingAirflowUASizer::initializeForSystemMainDuct(EnergyPlusData &state,
109 : Real64 const elevation,
110 : Real64 overallSystemVolFlow,
111 : Real64 minFlowRateRatio)
112 : {
113 0 : this->initializeFromAPI(state, elevation);
114 0 : this->curSysNum = 1;
115 0 : this->curDuctType = HVAC::AirDuctType::Main;
116 0 : this->finalSysSizing.allocate(1);
117 0 : this->finalSysSizing(1).SysAirMinFlowRat = minFlowRateRatio;
118 0 : this->finalSysSizing(1).DesMainVolFlow = overallSystemVolFlow;
119 0 : }
120 :
121 0 : void HeatingAirflowUASizer::initializeForSystemCoolingDuct(EnergyPlusData &state, Real64 const elevation)
122 : {
123 0 : this->initializeFromAPI(state, elevation);
124 0 : this->curSysNum = 1;
125 0 : }
126 :
127 0 : void HeatingAirflowUASizer::initializeForSystemHeatingDuct(EnergyPlusData &state, Real64 const elevation)
128 : {
129 0 : this->initializeFromAPI(state, elevation);
130 0 : this->curSysNum = 1;
131 0 : }
132 :
133 0 : void HeatingAirflowUASizer::initializeForSystemOtherDuct(EnergyPlusData &state, Real64 const elevation)
134 : {
135 0 : this->initializeFromAPI(state, elevation);
136 0 : this->curSysNum = 1;
137 0 : }
138 :
139 56 : Real64 HeatingAirflowUASizer::size(EnergyPlusData &state, Real64 _originalValue, bool &errorsFound)
140 : {
141 56 : if (!this->checkInitialized(state, errorsFound)) {
142 1 : return 0.0;
143 : }
144 55 : this->preSize(state, _originalValue);
145 55 : if (this->curZoneEqNum > 0) {
146 30 : if (!this->wasAutoSized && !this->sizingDesRunThisZone) {
147 2 : this->autoSizedValue = _originalValue;
148 : } else {
149 28 : if (this->termUnitSingDuct && (this->curTermUnitSizingNum > 0)) {
150 10 : this->autoSizedValue = this->stdRhoAir * this->termUnitSizing(this->curTermUnitSizingNum).AirVolFlow;
151 18 : } else if ((this->termUnitPIU || this->termUnitIU) && (this->curTermUnitSizingNum > 0)) {
152 2 : this->autoSizedValue = this->stdRhoAir * this->termUnitSizing(this->curTermUnitSizingNum).AirVolFlow *
153 2 : this->termUnitSizing(this->curTermUnitSizingNum).ReheatAirFlowMult;
154 16 : } else if (this->zoneEqFanCoil) {
155 9 : this->autoSizedValue = this->stdRhoAir * this->finalZoneSizing(this->curZoneEqNum).DesHeatVolFlow;
156 7 : } else if (this->otherEqType) {
157 7 : if (this->zoneEqSizing(this->curZoneEqNum).SystemAirFlow) {
158 1 : this->autoSizedValue = this->zoneEqSizing(this->curZoneEqNum).AirVolFlow * this->stdRhoAir;
159 6 : } else if (this->zoneEqSizing(this->curZoneEqNum).HeatingAirFlow) {
160 4 : this->autoSizedValue = this->zoneEqSizing(this->curZoneEqNum).HeatingAirVolFlow * this->stdRhoAir;
161 : } else {
162 2 : this->autoSizedValue = this->finalZoneSizing(this->curZoneEqNum).DesHeatMassFlow;
163 : }
164 : } else {
165 0 : this->errorType = AutoSizingResultType::ErrorType1;
166 0 : errorsFound = true;
167 : }
168 : }
169 25 : } else if (this->curSysNum > 0) {
170 25 : if (!this->wasAutoSized && !this->sizingDesRunThisAirSys) {
171 1 : this->autoSizedValue = _originalValue;
172 : } else {
173 24 : if (this->curOASysNum > 0) {
174 5 : if (this->outsideAirSys(this->curOASysNum).AirLoopDOASNum > -1) {
175 2 : this->autoSizedValue = this->airloopDOAS[this->outsideAirSys(this->curOASysNum).AirLoopDOASNum].SizingMassFlow / this->stdRhoAir;
176 : } else {
177 3 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).DesOutAirVolFlow;
178 : }
179 : } else {
180 19 : if (this->curDuctType == HVAC::AirDuctType::Main) {
181 8 : if (this->finalSysSizing(this->curSysNum).SysAirMinFlowRat > 0.0) {
182 7 : this->autoSizedValue =
183 7 : this->finalSysSizing(this->curSysNum).SysAirMinFlowRat * this->finalSysSizing(this->curSysNum).DesMainVolFlow;
184 : } else {
185 1 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).DesMainVolFlow;
186 : }
187 11 : } else if (this->curDuctType == HVAC::AirDuctType::Cooling) {
188 2 : if (this->finalSysSizing(this->curSysNum).SysAirMinFlowRat > 0.0) {
189 1 : this->autoSizedValue =
190 1 : this->finalSysSizing(this->curSysNum).SysAirMinFlowRat * this->finalSysSizing(this->curSysNum).DesCoolVolFlow;
191 : } else {
192 1 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).DesCoolVolFlow;
193 : }
194 9 : } else if (this->curDuctType == HVAC::AirDuctType::Heating) {
195 1 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).DesHeatVolFlow;
196 : } else {
197 8 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).DesMainVolFlow;
198 : }
199 : }
200 24 : this->autoSizedValue *= this->stdRhoAir;
201 : }
202 : }
203 55 : if (this->autoSizedValue < HVAC::SmallAirVolFlow) {
204 6 : this->addErrorMessage("Autosized value was zero or less than zero");
205 3 : this->autoSizedValue = 0.0;
206 : }
207 55 : if (this->overrideSizeString) {
208 55 : if (this->isEpJSON) {
209 0 : this->sizingString = "heating_coil_airflow_for_ua";
210 : }
211 : }
212 55 : this->selectSizerOutput(state, errorsFound);
213 55 : return this->autoSizedValue;
214 : }
215 :
216 : } // namespace EnergyPlus
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