Line data Source code
1 : // EnergyPlus, Copyright (c) 1996-2024, The Board of Trustees of the University of Illinois, 2 : // The Regents of the University of California, through Lawrence Berkeley National Laboratory 3 : // (subject to receipt of any required approvals from the U.S. Dept. of Energy), Oak Ridge 4 : // National Laboratory, managed by UT-Battelle, Alliance for Sustainable Energy, LLC, and other 5 : // contributors. All rights reserved. 6 : // 7 : // NOTICE: This Software was developed under funding from the U.S. Department of Energy and the 8 : // U.S. Government consequently retains certain rights. As such, the U.S. Government has been 9 : // granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable, 10 : // worldwide license in the Software to reproduce, distribute copies to the public, prepare 11 : // derivative works, and perform publicly and display publicly, and to permit others to do so. 12 : // 13 : // Redistribution and use in source and binary forms, with or without modification, are permitted 14 : // provided that the following conditions are met: 15 : // 16 : // (1) Redistributions of source code must retain the above copyright notice, this list of 17 : // conditions and the following disclaimer. 18 : // 19 : // (2) Redistributions in binary form must reproduce the above copyright notice, this list of 20 : // conditions and the following disclaimer in the documentation and/or other materials 21 : // provided with the distribution. 22 : // 23 : // (3) Neither the name of the University of California, Lawrence Berkeley National Laboratory, 24 : // the University of Illinois, U.S. Dept. of Energy nor the names of its contributors may be 25 : // used to endorse or promote products derived from this software without specific prior 26 : // written permission. 27 : // 28 : // (4) Use of EnergyPlus(TM) Name. If Licensee (i) distributes the software in stand-alone form 29 : // without changes from the version obtained under this License, or (ii) Licensee makes a 30 : // reference solely to the software portion of its product, Licensee must refer to the 31 : // software as "EnergyPlus version X" software, where "X" is the version number Licensee 32 : // obtained under this License and may not use a different name for the software. Except as 33 : // specifically required in this Section (4), Licensee shall not use in a company name, a 34 : // product name, in advertising, publicity, or other promotional activities any name, trade 35 : // name, trademark, logo, or other designation of "EnergyPlus", "E+", "e+" or confusingly 36 : // similar designation, without the U.S. Department of Energy's prior written consent. 37 : // 38 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 39 : // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 40 : // AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 41 : // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 42 : // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 43 : // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 44 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 45 : // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 46 : // POSSIBILITY OF SUCH DAMAGE. 47 : 48 : #include <EnergyPlus/Autosizing/HeatingWaterDesAirInletTempSizing.hh> 49 : #include <EnergyPlus/Data/EnergyPlusData.hh> 50 : #include <EnergyPlus/DataEnvironment.hh> 51 : 52 : namespace EnergyPlus { 53 : 54 2388 : Real64 HeatingWaterDesAirInletTempSizer::size(EnergyPlusData &state, Real64 _originalValue, bool &errorsFound) 55 : { 56 2388 : if (!this->checkInitialized(state, errorsFound)) { 57 0 : return 0.0; 58 : } 59 2388 : this->preSize(state, _originalValue); 60 : 61 2388 : if (this->curZoneEqNum > 0) { 62 1996 : if (!this->wasAutoSized && !this->sizingDesRunThisZone) { 63 0 : this->autoSizedValue = _originalValue; 64 : } else { 65 1996 : if (this->termUnitPIU && (this->curTermUnitSizingNum > 0)) { 66 56 : Real64 MinFlowFrac = this->termUnitSizing(this->curTermUnitSizingNum).MinPriFlowFrac; 67 56 : if (this->termUnitSizing(this->curTermUnitSizingNum).InducesPlenumAir) { 68 18 : this->autoSizedValue = (this->termUnitFinalZoneSizing(this->curTermUnitSizingNum).DesHeatCoilInTempTU * MinFlowFrac) + 69 18 : (this->termUnitFinalZoneSizing(this->curTermUnitSizingNum).ZoneRetTempAtHeatPeak * (1.0 - MinFlowFrac)); 70 : } else { 71 38 : this->autoSizedValue = this->termUnitFinalZoneSizing(this->curTermUnitSizingNum).DesHeatCoilInTempTU * MinFlowFrac + 72 38 : this->finalZoneSizing(this->curZoneEqNum).ZoneTempAtHeatPeak * (1.0 - MinFlowFrac); 73 : } 74 1996 : } else if (this->termUnitIU && (this->curTermUnitSizingNum > 0)) { 75 4 : this->autoSizedValue = this->termUnitFinalZoneSizing(this->curTermUnitSizingNum).ZoneTempAtHeatPeak; 76 1936 : } else if (this->termUnitSingDuct && (this->curTermUnitSizingNum > 0)) { 77 1832 : this->autoSizedValue = this->termUnitFinalZoneSizing(this->curTermUnitSizingNum).DesHeatCoilInTempTU; 78 : } else { 79 : Real64 DesMassFlow; 80 104 : if (this->zoneEqSizing(this->curZoneEqNum).SystemAirFlow) { 81 1 : DesMassFlow = this->zoneEqSizing(this->curZoneEqNum).AirVolFlow * state.dataEnvrn->StdRhoAir; 82 103 : } else if (this->zoneEqSizing(this->curZoneEqNum).HeatingAirFlow) { 83 12 : DesMassFlow = this->zoneEqSizing(this->curZoneEqNum).HeatingAirVolFlow * state.dataEnvrn->StdRhoAir; 84 : } else { 85 91 : DesMassFlow = this->finalZoneSizing(this->curZoneEqNum).DesHeatMassFlow; 86 : } 87 104 : this->autoSizedValue = this->setHeatCoilInletTempForZoneEqSizing( 88 104 : this->setOAFracForZoneEqSizing(state, DesMassFlow, this->zoneEqSizing(this->curZoneEqNum)), 89 104 : this->zoneEqSizing(this->curZoneEqNum), 90 104 : this->finalZoneSizing(this->curZoneEqNum)); 91 : } 92 : } 93 392 : } else if (this->curSysNum > 0) { 94 392 : if (!this->wasAutoSized && !this->sizingDesRunThisAirSys) { 95 0 : this->autoSizedValue = _originalValue; 96 : } else { 97 392 : Real64 OutAirFrac = 1.0; 98 392 : if (this->curOASysNum > 0) { 99 31 : OutAirFrac = 1.0; 100 361 : } else if (this->finalSysSizing(this->curSysNum).HeatOAOption == this->minOA) { 101 345 : if (this->dataFlowUsedForSizing > 0.0) { 102 345 : OutAirFrac = this->finalSysSizing(this->curSysNum).DesOutAirVolFlow / this->dataFlowUsedForSizing; 103 : } else { 104 0 : OutAirFrac = 1.0; 105 : } 106 345 : OutAirFrac = min(1.0, max(0.0, OutAirFrac)); 107 : } 108 : // coil inlet temperature 109 392 : if (this->curOASysNum == 0 && this->primaryAirSystem(this->curSysNum).NumOAHeatCoils > 0) { 110 28 : this->autoSizedValue = OutAirFrac * this->finalSysSizing(this->curSysNum).PreheatTemp + 111 28 : (1.0 - OutAirFrac) * this->finalSysSizing(this->curSysNum).HeatRetTemp; 112 364 : } else if (this->curOASysNum > 0 && this->outsideAirSys(this->curOASysNum).AirLoopDOASNum > -1) { 113 1 : this->autoSizedValue = this->airloopDOAS[this->outsideAirSys(this->curOASysNum).AirLoopDOASNum].HeatOutTemp; 114 : } else { 115 363 : this->autoSizedValue = OutAirFrac * this->finalSysSizing(this->curSysNum).HeatOutTemp + 116 363 : (1.0 - OutAirFrac) * this->finalSysSizing(this->curSysNum).HeatRetTemp; 117 : } 118 : } 119 : } 120 2388 : if (this->overrideSizeString) { 121 2388 : if (this->isEpJSON) this->sizingString = "rated_inlet_air_temperature"; 122 : } 123 2388 : this->selectSizerOutput(state, errorsFound); 124 : // report not written for OA coils and needs to be corrected 125 2388 : if (this->curSysNum <= this->numPrimaryAirSys) { 126 2387 : if (this->isCoilReportObject) 127 2387 : state.dataRptCoilSelection->coilSelectionReportObj->setCoilEntAirTemp( 128 2387 : state, this->compName, this->compType, this->autoSizedValue, this->curSysNum, this->curZoneEqNum); 129 : } 130 2388 : return this->autoSizedValue; 131 : } 132 : 133 : } // namespace EnergyPlus