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47 :
48 : #include <EnergyPlus/Autosizing/CoolingWaterDesAirOutletHumRatSizing.hh>
49 : #include <EnergyPlus/Data/EnergyPlusData.hh>
50 : #include <EnergyPlus/DataEnvironment.hh>
51 : #include <EnergyPlus/Psychrometrics.hh>
52 : #include <EnergyPlus/UtilityRoutines.hh>
53 :
54 : namespace EnergyPlus {
55 :
56 40 : Real64 CoolingWaterDesAirOutletHumRatSizer::size(EnergyPlusData &state, Real64 _originalValue, bool &errorsFound)
57 : {
58 40 : if (!this->checkInitialized(state, errorsFound)) {
59 1 : return 0.0;
60 : }
61 39 : this->preSize(state, _originalValue);
62 :
63 39 : if (this->curZoneEqNum > 0) {
64 17 : if (!this->wasAutoSized && !this->sizingDesRunThisZone) {
65 3 : this->autoSizedValue = _originalValue;
66 : } else {
67 14 : if (this->termUnitIU) {
68 1 : Real64 TDpIn = Psychrometrics::PsyTdpFnWPb(state, this->dataDesInletAirHumRat, state.dataEnvrn->StdBaroPress);
69 1 : if (TDpIn <= this->dataDesInletWaterTemp) {
70 0 : this->autoSizedValue = this->dataDesInletAirHumRat;
71 : } else {
72 1 : this->autoSizedValue = min(Psychrometrics::PsyWFnTdbRhPb(state, this->dataDesOutletAirTemp, 0.9, state.dataEnvrn->StdBaroPress),
73 : this->dataDesInletAirHumRat);
74 : }
75 : } else {
76 13 : this->autoSizedValue = this->finalZoneSizing(this->curZoneEqNum).CoolDesHumRat;
77 : }
78 : }
79 22 : } else if (this->curSysNum > 0) {
80 22 : if (!this->wasAutoSized && !this->sizingDesRunThisAirSys) {
81 1 : this->autoSizedValue = _originalValue;
82 : } else {
83 21 : if (this->curOASysNum > 0) { // coil is in OA stream
84 5 : if (this->outsideAirSys(this->curOASysNum).AirLoopDOASNum > -1) {
85 4 : this->autoSizedValue = this->airloopDOAS[this->outsideAirSys(this->curOASysNum).AirLoopDOASNum].PrecoolHumRat;
86 : } else {
87 1 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).PrecoolHumRat;
88 : }
89 16 : } else if (this->dataDesOutletAirHumRat > 0.0) {
90 8 : this->autoSizedValue = this->dataDesOutletAirHumRat;
91 : } else {
92 8 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).CoolSupHumRat;
93 : }
94 : }
95 : }
96 :
97 39 : if (this->wasAutoSized) {
98 38 : if (this->autoSizedValue > this->dataDesInletAirHumRat &&
99 38 : (Util::SameString(this->compType, "COIL:COOLING:WATER") || Util::SameString(this->compType, "COIL:COOLING:WATER:DETAILEDGEOMETRY"))) {
100 : std::string msg =
101 4 : this->callingRoutine + ":" + " Coil=\"" + this->compName + "\", Cooling Coil has leaving humidity ratio > entering humidity ratio.";
102 4 : this->addErrorMessage(msg);
103 4 : ShowWarningError(state, msg);
104 4 : msg = format(" Wair,in = {:.6R} [kgWater/kgDryAir]", this->dataDesInletAirHumRat);
105 4 : this->addErrorMessage(msg);
106 4 : ShowContinueError(state, msg);
107 4 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
108 4 : this->addErrorMessage(msg);
109 4 : ShowContinueError(state, msg);
110 4 : if (this->dataDesInletAirHumRat > 0.016) {
111 0 : this->autoSizedValue = 0.5 * this->dataDesInletAirHumRat;
112 : } else {
113 4 : this->autoSizedValue = this->dataDesInletAirHumRat;
114 : }
115 4 : msg = "....coil leaving humidity ratio will be reset to:";
116 4 : this->addErrorMessage(msg);
117 4 : ShowContinueError(state, msg);
118 4 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
119 4 : this->addErrorMessage(msg);
120 4 : ShowContinueError(state, msg);
121 4 : }
122 : // check for dry coil and reset outlet humrat if needed
123 34 : Real64 desSatEnthAtWaterInTemp = Psychrometrics::PsyHFnTdbW(
124 34 : this->dataDesInletWaterTemp, Psychrometrics::PsyWFnTdpPb(state, this->dataDesInletWaterTemp, state.dataEnvrn->StdBaroPress));
125 34 : Real64 desHumRatAtWaterInTemp = Psychrometrics::PsyWFnTdbH(state, this->dataDesInletWaterTemp, desSatEnthAtWaterInTemp, this->callingRoutine);
126 34 : if (this->autoSizedValue < this->dataDesInletAirHumRat && desHumRatAtWaterInTemp > this->dataDesInletAirHumRat) {
127 2 : if (this->autoSizedValue < this->dataDesInletAirHumRat &&
128 2 : (Util::SameString(this->compType, "COIL:COOLING:WATER") || Util::SameString(this->compType, "COIL:COOLING:WATER:DETAILEDGEOMETRY"))) {
129 2 : std::string msg = this->callingRoutine + ":" + " Coil=\"" + this->compName +
130 : "\", Cooling Coil is running dry for sizing and has minimum humidity ratio at saturation for inlet chilled water "
131 1 : "temperature > design air entering humidity ratio.";
132 1 : this->addErrorMessage(msg);
133 1 : ShowWarningError(state, msg);
134 1 : msg = format(" Wair,in = {:.6R} [kgWater/kgDryAir]", this->dataDesInletAirHumRat);
135 1 : this->addErrorMessage(msg);
136 1 : ShowContinueError(state, msg);
137 1 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
138 1 : this->addErrorMessage(msg);
139 1 : ShowContinueError(state, msg);
140 1 : msg = format(" Inlet chilled water temperature = {:.3R} [C]", this->dataDesInletWaterTemp);
141 1 : this->addErrorMessage(msg);
142 1 : ShowContinueError(state, msg);
143 2 : msg = format(" Minimum humidity ratio at saturation for inlet chilled water temperature = {:.6R} [kgWater/kgDryAir]",
144 1 : desHumRatAtWaterInTemp);
145 1 : this->addErrorMessage(msg);
146 1 : ShowContinueError(state, msg);
147 1 : this->autoSizedValue = this->dataDesInletAirHumRat;
148 1 : msg = "....coil leaving humidity ratio will be reset to:";
149 1 : this->addErrorMessage(msg);
150 1 : ShowContinueError(state, msg);
151 1 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
152 1 : this->addErrorMessage(msg);
153 1 : ShowContinueError(state, msg);
154 1 : }
155 : }
156 : }
157 39 : if (this->overrideSizeString) {
158 39 : if (this->isEpJSON) this->sizingString = "design_outlet_air_humidity_ratio [kgWater/kgDryAir]";
159 : }
160 39 : this->selectSizerOutput(state, errorsFound);
161 39 : if (this->isCoilReportObject)
162 39 : state.dataRptCoilSelection->coilSelectionReportObj->setCoilLvgAirHumRat(state, this->compName, this->compType, this->autoSizedValue);
163 39 : return this->autoSizedValue;
164 : }
165 :
166 : } // namespace EnergyPlus
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