Line data Source code
1 : // EnergyPlus, Copyright (c) 1996-2023, 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 : #ifndef BoilerSteam_hh_INCLUDED
49 : #define BoilerSteam_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataBranchAirLoopPlant.hh>
57 : #include <EnergyPlus/DataGlobals.hh>
58 : #include <EnergyPlus/EnergyPlus.hh>
59 : #include <EnergyPlus/Plant/Enums.hh>
60 : #include <EnergyPlus/Plant/PlantLocation.hh>
61 : #include <EnergyPlus/PlantComponent.hh>
62 :
63 : namespace EnergyPlus {
64 :
65 : // Forward declarations
66 : struct EnergyPlusData;
67 :
68 : namespace BoilerSteam {
69 :
70 28 : struct BoilerSpecs : PlantComponent
71 : {
72 : // Members
73 : std::string Name; // user identifier
74 : DataGlobalConstants::ResourceType FuelType = DataGlobalConstants::ResourceType::None; // resource type
75 : bool Available = false; // TRUE if machine available in current time step
76 : bool ON = false; // TRUE: simulate the machine at it's operating part load ratio
77 : bool MissingSetPointErrDone = false; // Missing outlet node setpoint message flag
78 : bool UseLoopSetPoint = false; // Flag to use setpoint from loop
79 : Real64 DesMassFlowRate = 0.0; // kg/s - Boiler water design mass flow rate
80 : Real64 MassFlowRate = 0.0; // kg/s - Boiler water mass flow rate
81 : Real64 NomCap = 0.0; // W - design nominal capacity of Boiler
82 : bool NomCapWasAutoSized = false; // true if Nominal capacity was autosize on input
83 : Real64 NomEffic = 0.0; // boiler efficiency at design conditions
84 : Real64 MinPartLoadRat = 0.0; // Minimum allowed operating part load ratio
85 : Real64 MaxPartLoadRat = 0.0; // Maximum allowed operating part load ratio
86 : Real64 OptPartLoadRat = 0.0; // Optimal operating part load ratio
87 : Real64 OperPartLoadRat = 0.0; // Actual operating part load ratio
88 : Real64 TempUpLimitBoilerOut = 0.0; // C - Boiler outlet maximum temperature limit
89 : Real64 BoilerMaxOperPress = 0.0; // Max Boiler Pressure
90 : Real64 BoilerPressCheck = 0.0; // Boiler Operating Pressure at Saturation Temperature
91 : Real64 SizFac = 0.0; // sizing factor
92 : int BoilerInletNodeNum = 0; // Node number at the boiler inlet
93 : int BoilerOutletNodeNum = 0; // Node number at the boiler outlet
94 : std::array<Real64, 3> FullLoadCoef = {0.0}; // Coefficients of the fuel consumption/part load ratio curve
95 : int TypeNum = 0; // Plant loop type identifier
96 : PlantLocation plantLoc;
97 : int PressErrIndex = 0; // index pointer for recurring errors
98 : int FluidIndex = 0; // Steam index
99 : std::string EndUseSubcategory; // identifier use for the end use subcategory
100 : bool myFlag = true;
101 : bool myEnvrnFlag = true;
102 :
103 : Real64 FuelUsed = 0.0; // W - Boiler fuel used
104 : Real64 BoilerLoad = 0.0; // W - Boiler Load
105 : Real64 BoilerEff = 0.0; // Boiler efficiency
106 : Real64 BoilerMassFlowRate = 0.0; // kg/s - Boiler mass flow rate
107 : Real64 BoilerOutletTemp = 0.0; // W - Boiler outlet temperature
108 :
109 : Real64 BoilerEnergy = 0.0; // J - Boiler energy integrated over time
110 : Real64 FuelConsumed = 0.0; // J - Boiler Fuel consumed integrated over time
111 : Real64 BoilerInletTemp = 0.0; // C - Boiler inlet temperature
112 :
113 : std::string BoilerFuelTypeForOutputVariable = "";
114 :
115 : void initialize(EnergyPlusData &state);
116 :
117 : void setupOutputVars(EnergyPlusData &state);
118 :
119 : void autosize(EnergyPlusData &state);
120 :
121 : void calculate(EnergyPlusData &state,
122 : Real64 &MyLoad, // W - hot water demand to be met by boiler
123 : bool RunFlag, // TRUE if boiler operating
124 : DataBranchAirLoopPlant::ControlType EquipFlowCtrl // Flow control mode for the equipment
125 : );
126 :
127 : void update(EnergyPlusData &state,
128 : Real64 MyLoad, // boiler operating load
129 : bool RunFlag, // boiler on when TRUE
130 : bool FirstHVACIteration // TRUE if First iteration of simulation
131 : );
132 :
133 : void simulate([[maybe_unused]] EnergyPlusData &state,
134 : const PlantLocation &calledFromLocation,
135 : bool FirstHVACIteration,
136 : Real64 &CurLoad,
137 : bool RunFlag) override;
138 :
139 : void getDesignCapacities(EnergyPlusData &state,
140 : [[maybe_unused]] const PlantLocation &calledFromLocation,
141 : Real64 &MaxLoad,
142 : Real64 &MinLoad,
143 : Real64 &OptLoad) override;
144 :
145 : void getSizingFactor(Real64 &sizFac) override;
146 :
147 : void oneTimeInit(EnergyPlusData &state) override;
148 :
149 : void initEachEnvironment(EnergyPlusData &state);
150 :
151 : void onInitLoopEquip([[maybe_unused]] EnergyPlusData &state, [[maybe_unused]] const PlantLocation &calledFromLocation) override;
152 :
153 : static BoilerSpecs *factory(EnergyPlusData &state, std::string const &objectName);
154 : };
155 :
156 : void GetBoilerInput(EnergyPlusData &state);
157 :
158 : } // namespace BoilerSteam
159 :
160 1542 : struct BoilerSteamData : BaseGlobalStruct
161 : {
162 : bool getSteamBoilerInput = true;
163 : Array1D<BoilerSteam::BoilerSpecs> Boiler;
164 :
165 0 : void clear_state() override
166 : {
167 0 : *this = BoilerSteamData();
168 0 : }
169 : };
170 :
171 : } // namespace EnergyPlus
172 :
173 : #endif
|
