Line data Source code
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47 :
48 : #include <EnergyPlus/Autosizing/Base.hh>
49 : #include <EnergyPlus/Autosizing/BaseSizerWithFanHeatInputs.hh>
50 : #include <EnergyPlus/Data/EnergyPlusData.hh>
51 : #include <EnergyPlus/Fans.hh>
52 : #include <string>
53 :
54 : namespace EnergyPlus {
55 :
56 2097 : void BaseSizerWithFanHeatInputs::initializeWithinEP(EnergyPlusData &state,
57 : std::string_view const _compType,
58 : std::string_view const _compName,
59 : bool _printWarningFlag,
60 : std::string_view const _callingRoutine)
61 : {
62 2097 : BaseSizer::initializeWithinEP(state, _compType, _compName, _printWarningFlag, _callingRoutine);
63 2097 : this->dataDesAccountForFanHeat = state.dataSize->DataDesAccountForFanHeat;
64 : // water coils on main branch have no parent object to set DataFan* variables
65 2097 : if (!(this->primaryAirSystem.empty()) && this->curSysNum > 0 && this->curOASysNum == 0) {
66 547 : if (this->primaryAirSystem(this->curSysNum).supFanType != HVAC::FanType::Invalid) {
67 257 : this->dataFanType = this->primaryAirSystem(this->curSysNum).supFanType;
68 257 : this->dataFanIndex = this->primaryAirSystem(this->curSysNum).supFanNum;
69 : }
70 : }
71 2097 : this->getFanInputsForDesHeatGain(state,
72 : this->dataFanIndex,
73 2097 : this->deltaP,
74 2097 : this->motEff,
75 2097 : this->totEff,
76 2097 : this->motInAirFrac,
77 2097 : this->fanShaftPow,
78 2097 : this->motInPower,
79 2097 : this->fanCompModel);
80 2097 : }
81 :
82 162 : Real64 BaseSizerWithFanHeatInputs::calcFanDesHeatGain(Real64 const &airVolFlow)
83 : {
84 162 : if (this->dataFanType == HVAC::FanType::Invalid || this->dataFanIndex == 0) {
85 35 : return 0.0;
86 : }
87 127 : if (this->fanCompModel) {
88 0 : return this->fanShaftPow + (this->motInPower - this->fanShaftPow) * this->motInAirFrac;
89 : } else {
90 127 : Real64 const fanPowerTot = (airVolFlow * this->deltaP) / this->totEff;
91 127 : return this->motEff * fanPowerTot + (fanPowerTot - this->motEff * fanPowerTot) * this->motInAirFrac;
92 : }
93 : }
94 :
95 2097 : void BaseSizerWithFanHeatInputs::getFanInputsForDesHeatGain(EnergyPlusData &state,
96 : int fanIndex,
97 : Real64 &deltaP,
98 : Real64 &motEff,
99 : Real64 &totEff,
100 : Real64 &motInAirFrac,
101 : Real64 &fanShaftPow,
102 : Real64 &motInPower,
103 : bool &fanCompModel)
104 : {
105 : // if fan unknown or air flow sizing (recursive call to size fan) then return
106 2097 : if (fanIndex <= 0 || this->isFanReportObject) {
107 1187 : return;
108 : }
109 :
110 : // This should work for all fan types now
111 910 : state.dataFans->fans(fanIndex)->getInputsForDesignHeatGain(state, deltaP, motEff, totEff, motInAirFrac, fanShaftPow, motInPower, fanCompModel);
112 : }
113 :
114 13 : void BaseSizerWithFanHeatInputs::setDataDesAccountForFanHeat(EnergyPlusData &state, bool flag)
115 : {
116 13 : state.dataSize->DataDesAccountForFanHeat = flag;
117 13 : }
118 :
119 : } // namespace EnergyPlus
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