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47 :
48 : #ifndef HighTempRadiantSystem_hh_INCLUDED
49 : #define HighTempRadiantSystem_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/DataGlobals.hh>
57 : #include <EnergyPlus/EnergyPlus.hh>
58 :
59 : namespace EnergyPlus {
60 :
61 : // Forward declarations
62 : struct EnergyPlusData;
63 :
64 : namespace HighTempRadiantSystem {
65 :
66 : // Using/Aliasing
67 :
68 : // Data
69 : // MODULE PARAMETER DEFINITIONS:
70 :
71 : enum class RadHeaterType
72 : {
73 : Invalid = -1,
74 : Gas,
75 : Electric,
76 : Num
77 : };
78 :
79 : enum class RadControlType : int
80 : {
81 : Invalid = -1,
82 : MATControl = 1001,
83 : MRTControl = 1002,
84 : OperativeControl = 1003,
85 : MATSPControl = 1004,
86 : MRTSPControl = 1005,
87 : OperativeSPControl = 1006,
88 : Num
89 : };
90 :
91 : // DERIVED TYPE DEFINITIONS:
92 :
93 : // MODULE VARIABLE DECLARATIONS:
94 :
95 : // SUBROUTINE SPECIFICATIONS FOR MODULE HighTempRadiantSystem
96 :
97 : // Types
98 :
99 24 : struct HighTempRadiantSystemData
100 : {
101 : // Members
102 : // Input data
103 : std::string Name; // name of hydronic radiant system
104 : std::string SchedName; // availability schedule
105 : int SchedPtr; // index to schedule
106 : std::string ZoneName; // Name of zone the system is serving
107 : int ZonePtr; // Point to this zone in the Zone derived type
108 : RadHeaterType HeaterType; // Type of heater (gas or electric)
109 : Real64 MaxPowerCapac; // Maximum capacity of the radiant heater in Watts
110 : Real64 CombustionEffic; // Combustion efficiency (only valid for a gas heater)
111 : Real64 FracRadiant; // Fraction of heater power that is given off as radiant heat
112 : Real64 FracLatent; // Fraction of heater power that is given off as latent heat
113 : Real64 FracLost; // Fraction of heater power that is lost to the outside environment
114 : Real64 FracConvect; // Fraction of heater power that is given off as convective heat
115 : // (by definition this is 1 minus the sum of all other fractions)
116 : RadControlType ControlType; // Control type for the system (MAT, MRT, or op temp)
117 : Real64 ThrottlRange; // Throttling range for heating [C]
118 : std::string SetptSched; // Schedule name for the zone setpoint temperature
119 : int SetptSchedPtr; // Schedule index for the zone setpoint temperature
120 : Real64 FracDistribPerson; // Fraction of fraction radiant incident on a "person" in the space
121 : int TotSurfToDistrib; // Total number of surfaces the heater sends radiation to
122 : Array1D_string SurfaceName; // Surface name in the list of surfaces heater sends radiation to
123 : Array1D_int SurfacePtr; // Surface number in the list of surfaces heater sends radiation to
124 : Array1D<Real64> FracDistribToSurf; // Fraction of fraction radiant incident on the surface
125 : // Other parameters
126 : // Report data
127 : Real64 ElecPower; // system electric consumption in Watts
128 : Real64 ElecEnergy; // system electric consumption in Joules
129 : Real64 GasPower; // system gas consumption in Watts
130 : Real64 GasEnergy; // system gas consumption in Joules
131 : Real64 HeatPower; // actual heating sent to zone (convective and radiative) in Watts
132 : Real64 HeatEnergy; // actual heating sent to zone (convective and radiative) in Joules
133 : int HeatingCapMethod; // - Method for High Temperature Radiant heating capacity scalable sizing calculation (HeatingDesignCapacity,
134 : // CapacityPerFloorArea, FracOfAutosizedHeatingCapacity)
135 : Real64
136 : ScaledHeatingCapacity; // - High Temperature Radiant scaled maximum heating capacity {W} or scalable variable for sizing in {-}, or {W/m2}
137 :
138 : // Default Constructor
139 4 : HighTempRadiantSystemData()
140 4 : : SchedPtr(0), ZonePtr(0), HeaterType(RadHeaterType::Invalid), MaxPowerCapac(0.0), CombustionEffic(0.0), FracRadiant(0.0),
141 : FracLatent(0.0), FracLost(0.0), FracConvect(0.0), ControlType(RadControlType::Invalid), ThrottlRange(0.0), SetptSchedPtr(0),
142 : FracDistribPerson(0.0), TotSurfToDistrib(0), ElecPower(0.0), ElecEnergy(0.0), GasPower(0.0), GasEnergy(0.0), HeatPower(0.0),
143 4 : HeatEnergy(0.0), HeatingCapMethod(0), ScaledHeatingCapacity(0.0)
144 : {
145 4 : }
146 : };
147 :
148 24 : struct HighTempRadSysNumericFieldData
149 : {
150 : // Members
151 : Array1D_string FieldNames;
152 :
153 : // Default Constructor
154 4 : HighTempRadSysNumericFieldData()
155 4 : {
156 4 : }
157 : };
158 :
159 : // Functions
160 :
161 : void SimHighTempRadiantSystem(EnergyPlusData &state,
162 : std::string_view CompName, // name of the low temperature radiant system
163 : bool const FirstHVACIteration, // TRUE if 1st HVAC simulation of system timestep
164 : Real64 &LoadMet, // load met by the radiant system, in Watts
165 : int &CompIndex);
166 :
167 : void GetHighTempRadiantSystem(EnergyPlusData &state, bool &ErrorsFound); // Error flag if problems encountered on reading user input
168 :
169 : void InitHighTempRadiantSystem(EnergyPlusData &state,
170 : bool const FirstHVACIteration, // TRUE if 1st HVAC simulation of system timestep
171 : int const RadSysNum // Index for the low temperature radiant system under consideration within the derived types
172 : );
173 :
174 : void SizeHighTempRadiantSystem(EnergyPlusData &state, int const RadSysNum);
175 :
176 : void CalcHighTempRadiantSystem(EnergyPlusData &state, int const RadSysNum); // name of the low temperature radiant system
177 :
178 : void CalcHighTempRadiantSystemSP(EnergyPlusData &state,
179 : bool const FirstHVACIteration, // true if this is the first HVAC iteration at this system time step !unused1208
180 : int const RadSysNum // name of the low temperature radiant system
181 : );
182 :
183 : void UpdateHighTempRadiantSystem(EnergyPlusData &state,
184 : int const RadSysNum, // Index for the low temperature radiant system under consideration within the derived types
185 : Real64 &LoadMet // load met by the radiant system, in Watts
186 : );
187 :
188 : void UpdateHTRadSourceValAvg(EnergyPlusData &state, bool &HighTempRadSysOn); // .TRUE. if the radiant system has run this zone time step
189 :
190 : void DistributeHTRadGains(EnergyPlusData &state);
191 :
192 : void ReportHighTempRadiantSystem(EnergyPlusData &state,
193 : int RadSysNum); // Index for the low temperature radiant system under consideration within the derived types
194 :
195 : } // namespace HighTempRadiantSystem
196 :
197 1542 : struct HighTempRadiantSystemData : BaseGlobalStruct
198 : {
199 :
200 : // Standard, run-of-the-mill variables...
201 : int NumOfHighTempRadSys = 0; // Number of hydronic low tempererature radiant systems
202 : Array1D<Real64> QHTRadSource; // Need to keep the last value in case we are still iterating
203 : Array1D<Real64> QHTRadSrcAvg; // Need to keep the last value in case we are still iterating
204 : Array1D<Real64> ZeroSourceSumHATsurf; // Equal to the SumHATsurf for all the walls in a zone with no source
205 : // Record keeping variables used to calculate QHTRadSrcAvg locally
206 : Array1D<Real64> LastQHTRadSrc; // Need to keep the last value in case we are still iterating
207 : Array1D<Real64> LastSysTimeElapsed; // Need to keep the last value in case we are still iterating
208 : Array1D<Real64> LastTimeStepSys; // Need to keep the last value in case we are still iterating
209 : Array1D_bool MySizeFlag;
210 : Array1D_bool CheckEquipName;
211 :
212 : // Object Data
213 : Array1D<HighTempRadiantSystem::HighTempRadiantSystemData> HighTempRadSys;
214 : Array1D<HighTempRadiantSystem::HighTempRadSysNumericFieldData> HighTempRadSysNumericFields;
215 :
216 : bool GetInputFlag = true;
217 : bool firstTime = true; // For one-time initializations
218 : bool MyEnvrnFlag = true;
219 : bool ZoneEquipmentListChecked = false; // True after the Zone Equipment List has been checked for items
220 :
221 0 : void clear_state() override
222 : {
223 0 : NumOfHighTempRadSys = 0;
224 0 : QHTRadSource.clear();
225 0 : QHTRadSrcAvg.clear();
226 0 : ZeroSourceSumHATsurf.clear();
227 0 : LastQHTRadSrc.clear();
228 0 : LastSysTimeElapsed.clear();
229 0 : LastTimeStepSys.clear();
230 0 : MySizeFlag.clear();
231 0 : CheckEquipName.clear();
232 :
233 0 : HighTempRadSys.clear();
234 0 : HighTempRadSysNumericFields.clear();
235 :
236 0 : GetInputFlag = true;
237 0 : firstTime = true;
238 0 : MyEnvrnFlag = true;
239 0 : ZoneEquipmentListChecked = false;
240 0 : }
241 : };
242 :
243 : } // namespace EnergyPlus
244 :
245 : #endif
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