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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 :
56 443 : Real64 CoolingWaterDesAirOutletHumRatSizer::size(EnergyPlusData &state, Real64 _originalValue, bool &errorsFound)
57 : {
58 443 : if (!this->checkInitialized(state, errorsFound)) {
59 0 : return 0.0;
60 : }
61 443 : this->preSize(state, _originalValue);
62 :
63 443 : if (this->curZoneEqNum > 0) {
64 92 : if (!this->wasAutoSized && !this->sizingDesRunThisZone) {
65 0 : this->autoSizedValue = _originalValue;
66 : } else {
67 92 : if (this->termUnitIU) {
68 4 : Real64 TDpIn = Psychrometrics::PsyTdpFnWPb(state, this->dataDesInletAirHumRat, state.dataEnvrn->StdBaroPress);
69 4 : if (TDpIn <= this->dataDesInletWaterTemp) {
70 0 : this->autoSizedValue = this->dataDesInletAirHumRat;
71 : } else {
72 4 : this->autoSizedValue = min(Psychrometrics::PsyWFnTdbRhPb(state, this->dataDesOutletAirTemp, 0.9, state.dataEnvrn->StdBaroPress),
73 : this->dataDesInletAirHumRat);
74 : }
75 : } else {
76 88 : this->autoSizedValue = this->finalZoneSizing(this->curZoneEqNum).CoolDesHumRat;
77 : }
78 : }
79 351 : } else if (this->curSysNum > 0) {
80 351 : if (!this->wasAutoSized && !this->sizingDesRunThisAirSys) {
81 0 : this->autoSizedValue = _originalValue;
82 : } else {
83 351 : if (this->curOASysNum > 0) { // coil is in OA stream
84 28 : if (this->outsideAirSys(this->curOASysNum).AirLoopDOASNum > -1) {
85 1 : this->autoSizedValue = this->airloopDOAS[this->outsideAirSys(this->curOASysNum).AirLoopDOASNum].PrecoolHumRat;
86 : } else {
87 27 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).PrecoolHumRat;
88 : }
89 323 : } else if (this->dataDesOutletAirHumRat > 0.0) {
90 323 : this->autoSizedValue = this->dataDesOutletAirHumRat;
91 : } else {
92 0 : this->autoSizedValue = this->finalSysSizing(this->curSysNum).CoolSupHumRat;
93 : }
94 : }
95 : }
96 :
97 443 : if (this->wasAutoSized) {
98 940 : if (this->autoSizedValue > this->dataDesInletAirHumRat &&
99 470 : (UtilityRoutines::SameString(this->compType, "COIL:COOLING:WATER") ||
100 438 : UtilityRoutines::SameString(this->compType, "COIL:COOLING:WATER:DETAILEDGEOMETRY"))) {
101 : std::string msg =
102 64 : this->callingRoutine + ":" + " Coil=\"" + this->compName + "\", Cooling Coil has leaving humidity ratio > entering humidity ratio.";
103 32 : this->addErrorMessage(msg);
104 32 : ShowWarningError(state, msg);
105 32 : msg = format(" Wair,in = {:.6R} [kgWater/kgDryAir]", this->dataDesInletAirHumRat);
106 32 : this->addErrorMessage(msg);
107 32 : ShowContinueError(state, msg);
108 32 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
109 32 : this->addErrorMessage(msg);
110 32 : ShowContinueError(state, msg);
111 32 : if (this->dataDesInletAirHumRat > 0.016) {
112 0 : this->autoSizedValue = 0.5 * this->dataDesInletAirHumRat;
113 : } else {
114 32 : this->autoSizedValue = this->dataDesInletAirHumRat;
115 : }
116 32 : msg = "....coil leaving humidity ratio will be reset to:";
117 32 : this->addErrorMessage(msg);
118 32 : ShowContinueError(state, msg);
119 32 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
120 32 : this->addErrorMessage(msg);
121 32 : ShowContinueError(state, msg);
122 : }
123 : // check for dry coil and reset outlet humrat if needed
124 876 : Real64 desSatEnthAtWaterInTemp = Psychrometrics::PsyHFnTdbW(
125 876 : this->dataDesInletWaterTemp, Psychrometrics::PsyWFnTdpPb(state, this->dataDesInletWaterTemp, state.dataEnvrn->StdBaroPress));
126 438 : Real64 desHumRatAtWaterInTemp = Psychrometrics::PsyWFnTdbH(state, this->dataDesInletWaterTemp, desSatEnthAtWaterInTemp, this->callingRoutine);
127 438 : if (this->autoSizedValue < this->dataDesInletAirHumRat && desHumRatAtWaterInTemp > this->dataDesInletAirHumRat) {
128 20 : if (this->autoSizedValue < this->dataDesInletAirHumRat &&
129 10 : (UtilityRoutines::SameString(this->compType, "COIL:COOLING:WATER") ||
130 5 : UtilityRoutines::SameString(this->compType, "COIL:COOLING:WATER:DETAILEDGEOMETRY"))) {
131 10 : std::string msg = this->callingRoutine + ":" + " Coil=\"" + this->compName +
132 : "\", Cooling Coil is running dry for sizing and has minimum humidity ratio at saturation for inlet chilled water "
133 10 : "temperature > design air entering humidity ratio.";
134 5 : this->addErrorMessage(msg);
135 5 : ShowWarningError(state, msg);
136 5 : msg = format(" Wair,in = {:.6R} [kgWater/kgDryAir]", this->dataDesInletAirHumRat);
137 5 : this->addErrorMessage(msg);
138 5 : ShowContinueError(state, msg);
139 5 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
140 5 : this->addErrorMessage(msg);
141 5 : ShowContinueError(state, msg);
142 5 : msg = format(" Inlet chilled water temperature = {:.3R} [C]", this->dataDesInletWaterTemp);
143 5 : this->addErrorMessage(msg);
144 5 : ShowContinueError(state, msg);
145 5 : msg = format(" Minimum humidity ratio at saturation for inlet chilled water temperature = {:.6R} [kgWater/kgDryAir]",
146 5 : desHumRatAtWaterInTemp);
147 5 : this->addErrorMessage(msg);
148 5 : ShowContinueError(state, msg);
149 5 : this->autoSizedValue = this->dataDesInletAirHumRat;
150 5 : msg = "....coil leaving humidity ratio will be reset to:";
151 5 : this->addErrorMessage(msg);
152 5 : ShowContinueError(state, msg);
153 5 : msg = format(" Wair,out = {:.6R} [kgWater/kgDryAir]", this->autoSizedValue);
154 5 : this->addErrorMessage(msg);
155 5 : ShowContinueError(state, msg);
156 : }
157 : }
158 : }
159 443 : if (this->overrideSizeString) {
160 443 : if (this->isEpJSON) this->sizingString = "design_outlet_air_humidity_ratio [kgWater/kgDryAir]";
161 : }
162 443 : this->selectSizerOutput(state, errorsFound);
163 443 : if (this->isCoilReportObject)
164 443 : state.dataRptCoilSelection->coilSelectionReportObj->setCoilLvgAirHumRat(state, this->compName, this->compType, this->autoSizedValue);
165 443 : return this->autoSizedValue;
166 : }
167 :
168 2313 : } // namespace EnergyPlus
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