Line data Source code
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47 :
48 : // C++ Headers
49 : #include <algorithm>
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array.functions.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/BranchNodeConnections.hh>
56 : #include <EnergyPlus/Data/EnergyPlusData.hh>
57 : #include <EnergyPlus/DataBranchAirLoopPlant.hh>
58 : #include <EnergyPlus/DataHVACGlobals.hh>
59 : #include <EnergyPlus/DataIPShortCuts.hh>
60 : #include <EnergyPlus/DataLoopNode.hh>
61 : #include <EnergyPlus/General.hh>
62 : #include <EnergyPlus/InputProcessing/InputProcessor.hh>
63 : #include <EnergyPlus/NodeInputManager.hh>
64 : #include <EnergyPlus/OutputProcessor.hh>
65 : #include <EnergyPlus/Plant/DataPlant.hh>
66 : #include <EnergyPlus/PlantUtilities.hh>
67 : #include <EnergyPlus/PlantValves.hh>
68 : #include <EnergyPlus/UtilityRoutines.hh>
69 :
70 : namespace EnergyPlus {
71 :
72 : namespace PlantValves {
73 :
74 : // Module containing the routines dealing with the <module_name>
75 :
76 : // MODULE INFORMATION:
77 : // AUTHOR B. Griffith
78 : // DATE WRITTEN Jan, 2006
79 : // MODIFIED Nov 2010, B. Griffith, plant upgrades
80 : // RE-ENGINEERED na
81 :
82 : // PURPOSE OF THIS MODULE:
83 : // Collect "valve" type models for Plant loops
84 :
85 : using namespace DataLoopNode;
86 :
87 0 : PlantComponent *TemperValveData::factory(EnergyPlusData &state, std::string objectName)
88 : {
89 : // Process the input data for valves if it hasn't been done already
90 0 : if (state.dataPlantValves->GetTemperingValves) {
91 0 : GetPlantValvesInput(state);
92 0 : state.dataPlantValves->GetTemperingValves = false;
93 : }
94 : // Now look for this particular pipe in the list
95 0 : for (auto &valve : state.dataPlantValves->TemperValve) {
96 0 : if (valve.Name == objectName) {
97 0 : return &valve;
98 : }
99 0 : }
100 : // If we didn't find it, fatal
101 : ShowFatalError(state, format("TemperValveDataFactory: Error getting inputs for valve named: {}", objectName)); // LCOV_EXCL_LINE
102 : // Shut up the compiler
103 : return nullptr; // LCOV_EXCL_LINE
104 : }
105 :
106 0 : void TemperValveData::simulate(EnergyPlusData &state,
107 : [[maybe_unused]] const PlantLocation &calledFromLocation,
108 : [[maybe_unused]] bool FirstHVACIteration,
109 : [[maybe_unused]] Real64 &CurLoad,
110 : [[maybe_unused]] bool RunFlag)
111 : {
112 0 : this->initialize(state);
113 0 : this->calculate(state);
114 0 : PlantUtilities::SafeCopyPlantNode(state, this->PltInletNodeNum, this->PltOutletNodeNum);
115 0 : Real64 mdot = this->MixedMassFlowRate * this->FlowDivFract;
116 0 : if (this->plantLoc.loopNum > 0) {
117 0 : PlantUtilities::SetComponentFlowRate(state, mdot, this->PltInletNodeNum, this->PltOutletNodeNum, this->plantLoc);
118 : }
119 0 : }
120 :
121 0 : void TemperValveData::getDesignCapacities([[maybe_unused]] EnergyPlusData &state,
122 : [[maybe_unused]] const PlantLocation &calledFromLocation,
123 : Real64 &MaxLoad,
124 : Real64 &MinLoad,
125 : Real64 &OptLoad)
126 : {
127 0 : MaxLoad = 0.0;
128 0 : MinLoad = 0.0;
129 0 : OptLoad = 0.0;
130 0 : }
131 :
132 0 : void GetPlantValvesInput(EnergyPlusData &state)
133 : {
134 :
135 : // SUBROUTINE INFORMATION:
136 : // AUTHOR Brent Griffith
137 : // DATE WRITTEN Jan. 2006
138 : // MODIFIED na
139 : // RE-ENGINEERED na
140 :
141 : // PURPOSE OF THIS SUBROUTINE:
142 : // get input from user
143 :
144 : // METHODOLOGY EMPLOYED:
145 : // usual method using InputProcessor
146 :
147 : // Using/Aliasing
148 : using BranchNodeConnections::TestCompSet;
149 : using NodeInputManager::GetOnlySingleNode;
150 :
151 : // SUBROUTINE LOCAL VARIABLE DECLARATIONS:
152 : int Item; // Item to be "gotten"
153 0 : Array1D_string Alphas(6); // Alpha items for object
154 0 : Array1D<Real64> Numbers(1); // Numeric items for object
155 : int NumAlphas; // Number of Alphas for each GetObjectItem call
156 : int NumNumbers; // Number of Numbers for each GetObjectItem call
157 : int IOStatus; // Used in GetObjectItem
158 0 : bool ErrorsFound(false); // Set to true if errors in input, fatal at end of routine
159 0 : std::string CurrentModuleObject; // for ease in renaming.
160 :
161 0 : CurrentModuleObject = "TemperingValve";
162 0 : state.dataPlantValves->NumTemperingValves = state.dataInputProcessing->inputProcessor->getNumObjectsFound(state, CurrentModuleObject);
163 :
164 0 : state.dataPlantValves->TemperValve.allocate(state.dataPlantValves->NumTemperingValves);
165 :
166 0 : for (Item = 1; Item <= state.dataPlantValves->NumTemperingValves; ++Item) {
167 :
168 0 : state.dataInputProcessing->inputProcessor->getObjectItem(
169 : state, CurrentModuleObject, Item, Alphas, NumAlphas, Numbers, NumNumbers, IOStatus);
170 : // <process, noting errors>
171 0 : state.dataPlantValves->TemperValve(Item).Name = Alphas(1);
172 : // Get Plant Inlet Node
173 0 : state.dataPlantValves->TemperValve(Item).PltInletNodeNum = GetOnlySingleNode(state,
174 0 : Alphas(2),
175 : ErrorsFound,
176 : DataLoopNode::ConnectionObjectType::TemperingValve,
177 0 : Alphas(1),
178 : DataLoopNode::NodeFluidType::Water,
179 : DataLoopNode::ConnectionType::Inlet,
180 : NodeInputManager::CompFluidStream::Primary,
181 : ObjectIsNotParent);
182 : // Get Plant Outlet Node
183 0 : state.dataPlantValves->TemperValve(Item).PltOutletNodeNum = GetOnlySingleNode(state,
184 0 : Alphas(3),
185 : ErrorsFound,
186 : DataLoopNode::ConnectionObjectType::TemperingValve,
187 0 : Alphas(1),
188 : DataLoopNode::NodeFluidType::Water,
189 : DataLoopNode::ConnectionType::Outlet,
190 : NodeInputManager::CompFluidStream::Primary,
191 : ObjectIsNotParent);
192 :
193 : // Get Stream 2 Source Node
194 0 : state.dataPlantValves->TemperValve(Item).PltStream2NodeNum = GetOnlySingleNode(state,
195 0 : Alphas(4),
196 : ErrorsFound,
197 : DataLoopNode::ConnectionObjectType::TemperingValve,
198 0 : Alphas(1),
199 : DataLoopNode::NodeFluidType::Water,
200 : DataLoopNode::ConnectionType::Sensor,
201 : NodeInputManager::CompFluidStream::Primary,
202 : ObjectIsNotParent);
203 : // Get Mixed water Setpoint
204 0 : state.dataPlantValves->TemperValve(Item).PltSetPointNodeNum = GetOnlySingleNode(state,
205 0 : Alphas(5),
206 : ErrorsFound,
207 : DataLoopNode::ConnectionObjectType::TemperingValve,
208 0 : Alphas(1),
209 : DataLoopNode::NodeFluidType::Water,
210 : DataLoopNode::ConnectionType::SetPoint,
211 : NodeInputManager::CompFluidStream::Primary,
212 : ObjectIsNotParent);
213 :
214 : // Get Pump outlet
215 0 : state.dataPlantValves->TemperValve(Item).PltPumpOutletNodeNum = GetOnlySingleNode(state,
216 0 : Alphas(6),
217 : ErrorsFound,
218 : DataLoopNode::ConnectionObjectType::TemperingValve,
219 0 : Alphas(1),
220 : DataLoopNode::NodeFluidType::Water,
221 : DataLoopNode::ConnectionType::Sensor,
222 : NodeInputManager::CompFluidStream::Primary,
223 : ObjectIsNotParent);
224 :
225 : // Note most checks on user input are made in second pass thru init routine
226 :
227 0 : TestCompSet(state, CurrentModuleObject, Alphas(1), Alphas(2), Alphas(3), "Supply Side Water Nodes");
228 : }
229 :
230 0 : for (Item = 1; Item <= state.dataPlantValves->NumTemperingValves; ++Item) {
231 :
232 0 : SetupOutputVariable(state,
233 : "Tempering Valve Flow Fraction",
234 : Constant::Units::None,
235 0 : state.dataPlantValves->TemperValve(Item).FlowDivFract,
236 : OutputProcessor::TimeStepType::System,
237 : OutputProcessor::StoreType::Average,
238 0 : state.dataPlantValves->TemperValve(Item).Name);
239 : }
240 :
241 0 : if (ErrorsFound) {
242 0 : ShowFatalError(state, format("GetPlantValvesInput: {} Errors found in input", CurrentModuleObject));
243 : }
244 0 : }
245 :
246 0 : void TemperValveData::initialize(EnergyPlusData &state)
247 : {
248 :
249 : // SUBROUTINE INFORMATION:
250 : // AUTHOR B. Griffith, NREL
251 : // DATE WRITTEN Jan. 2006
252 : // MODIFIED na
253 : // RE-ENGINEERED na
254 :
255 : // PURPOSE OF THIS SUBROUTINE:
256 : // initialize data for valve modeling
257 :
258 : // SUBROUTINE LOCAL VARIABLE DECLARATIONS:
259 : int InletNode; // local working variable for inlet node number
260 : int OutletNode; // local working variable for outlet node number
261 : int Strm2Node; // local working variable for stream 2 outlet node number
262 : int SetPntNode; // local working variable for setpoint node number
263 : int PumpOutNode; // local working variable for pump outlet node number
264 :
265 : bool InNodeOnSplitter; // input data check
266 : bool PumpOutNodeOkay; // input data check
267 : bool ErrorsFound; // input data check
268 : bool TwoBranchesBetwn; // input data check
269 : bool SetPointNodeOkay; // input data check
270 : bool Stream2NodeOkay; // input data check
271 : bool IsBranchActive; // input data check
272 :
273 : bool errFlag;
274 :
275 0 : if (state.dataPlantValves->OneTimeInitFlag) {
276 0 : state.dataPlantValves->OneTimeInitFlag = false;
277 : } else {
278 : // delay checks one pass so more of plant data structure gets filled in
279 0 : if (this->compDelayedInitFlag) {
280 : // do some checks on input data
281 : // Search thru PlantLoop Data Structure to check some things.
282 : // Locate the component on the plant loops for later usage
283 0 : errFlag = false;
284 0 : PlantUtilities::ScanPlantLoopsForObject(
285 0 : state, this->Name, DataPlant::PlantEquipmentType::ValveTempering, this->plantLoc, errFlag, _, _, _, _, _);
286 :
287 0 : if (errFlag) {
288 0 : ShowFatalError(state, "InitPlantValves: Program terminated due to previous condition(s).");
289 : }
290 : // init logical flags
291 0 : ErrorsFound = false;
292 0 : InNodeOnSplitter = false;
293 0 : PumpOutNodeOkay = false;
294 0 : TwoBranchesBetwn = false;
295 0 : SetPointNodeOkay = false;
296 0 : Stream2NodeOkay = false;
297 0 : IsBranchActive = false;
298 :
299 : // . A) find indexes of PlantLoop, Half loop, and Branch by searching CompData
300 0 : for (auto &thisPlantLoop : state.dataPlnt->PlantLoop) {
301 0 : for (auto &thisLoopSide : thisPlantLoop.LoopSide) {
302 0 : int branchCtr = 0;
303 0 : for (auto const &thisBranch : thisLoopSide.Branch) {
304 0 : branchCtr++;
305 0 : for (auto const &thisComp : thisBranch.Comp) {
306 :
307 0 : if ((thisComp.Type == DataPlant::PlantEquipmentType::ValveTempering) &&
308 0 : (thisComp.Name == this->Name)) { // we found it.
309 :
310 : // is branch control type 'Active'
311 0 : if (thisBranch.controlType == DataBranchAirLoopPlant::ControlType::Active) {
312 0 : IsBranchActive = true;
313 : }
314 :
315 : // is Valve inlet node an outlet node of a splitter
316 0 : if (thisLoopSide.Splitter.Exists) {
317 0 : if (allocated(thisLoopSide.Splitter.NodeNumOut)) {
318 0 : if (any_eq(thisLoopSide.Splitter.NodeNumOut, this->PltInletNodeNum)) {
319 0 : InNodeOnSplitter = true;
320 : }
321 : } // allocated
322 :
323 : // are there only 2 branches between splitter and mixer?
324 0 : if (thisLoopSide.Splitter.TotalOutletNodes == 2) {
325 0 : TwoBranchesBetwn = true;
326 : }
327 : } // has splitter
328 :
329 : // is stream 2 node an inlet to the mixer ?
330 0 : if (thisLoopSide.Mixer.Exists) {
331 0 : if (any_eq(thisLoopSide.Mixer.NodeNumIn, this->PltStream2NodeNum)) {
332 0 : int thisInnerBranchCtr = 0;
333 0 : for (auto const &thisInnerBranch : thisLoopSide.Branch) {
334 0 : thisInnerBranchCtr++;
335 0 : if (branchCtr == thisInnerBranchCtr) {
336 0 : continue; // already looped into this one
337 : }
338 0 : for (auto const &thisInnerComp : thisInnerBranch.Comp) {
339 0 : if (thisInnerComp.NodeNumOut == this->PltStream2NodeNum) {
340 0 : Stream2NodeOkay = true;
341 : }
342 : }
343 : }
344 : }
345 : } // has mixer
346 :
347 : // is pump node really the outlet of a branch with a pump?
348 0 : for (auto const &thisInnerBranch : thisLoopSide.Branch) {
349 0 : if (thisInnerBranch.NodeNumOut == this->PltPumpOutletNodeNum) {
350 0 : for (auto const &thisInnerComp : thisInnerBranch.Comp) {
351 0 : if (DataPlant::PlantEquipmentTypeIsPump[static_cast<int>(thisInnerComp.Type)]) {
352 0 : PumpOutNodeOkay = true;
353 : }
354 : }
355 : }
356 : }
357 :
358 : // does sensor node agree with plant loop setpoint?
359 0 : if (thisPlantLoop.TempSetPointNodeNum == this->PltSetPointNodeNum) {
360 0 : SetPointNodeOkay = true;
361 : }
362 :
363 : } // found item
364 :
365 : } // comps
366 : } // Branches
367 : } // Loop Sides
368 : } // Plant loops
369 :
370 0 : if (!IsBranchActive) {
371 0 : ShowSevereError(state, "TemperingValve object needs to be on an ACTIVE branch");
372 0 : ErrorsFound = true;
373 : }
374 :
375 0 : if (!InNodeOnSplitter) {
376 0 : ShowSevereError(state, "TemperingValve object needs to be between a Splitter and Mixer");
377 0 : ErrorsFound = true;
378 : }
379 :
380 0 : if (!PumpOutNodeOkay) {
381 0 : ShowSevereError(state, "TemperingValve object needs to reference a node that is the outlet of a pump on its loop");
382 0 : ErrorsFound = true;
383 : }
384 :
385 0 : if (!TwoBranchesBetwn) {
386 0 : ShowSevereError(state, "TemperingValve object needs exactly two branches between a Splitter and Mixer");
387 0 : ErrorsFound = true;
388 : }
389 :
390 0 : if (!SetPointNodeOkay) {
391 0 : ShowSevereError(state, "TemperingValve object setpoint node not valid. Check Setpoint manager for Plant Loop Temp Setpoint");
392 0 : ErrorsFound = true;
393 : }
394 :
395 0 : if (!Stream2NodeOkay) {
396 0 : ShowSevereError(state, "TemperingValve object stream 2 source node not valid.");
397 0 : ShowContinueError(state, "Check that node is a component outlet, enters a mixer, and on the other branch");
398 0 : ErrorsFound = true;
399 : }
400 0 : if (ErrorsFound) {
401 0 : ShowFatalError(state, format("Errors found in input, TemperingValve object {}", this->Name));
402 : }
403 0 : this->compDelayedInitFlag = false;
404 : } // my two time flag for input checking
405 :
406 : } // my one time flag for input checking
407 :
408 0 : InletNode = this->PltInletNodeNum;
409 0 : OutletNode = this->PltOutletNodeNum;
410 0 : Strm2Node = this->PltStream2NodeNum;
411 0 : SetPntNode = this->PltSetPointNodeNum;
412 0 : PumpOutNode = this->PltPumpOutletNodeNum;
413 :
414 0 : if (state.dataGlobal->BeginEnvrnFlag && this->environmentInit) {
415 :
416 0 : if ((InletNode > 0) && (OutletNode > 0)) {
417 : // Node(InletNode)%Temp = 0.0
418 0 : PlantUtilities::InitComponentNodes(
419 0 : state, 0.0, state.dataLoopNodes->Node(PumpOutNode).MassFlowRateMax, this->PltInletNodeNum, this->PltOutletNodeNum);
420 : }
421 0 : this->environmentInit = false;
422 : }
423 :
424 0 : if (!state.dataGlobal->BeginEnvrnFlag) {
425 0 : this->environmentInit = true;
426 : }
427 :
428 0 : if (InletNode > 0) {
429 0 : this->InletTemp = state.dataLoopNodes->Node(InletNode).Temp;
430 : }
431 0 : if (Strm2Node > 0) {
432 0 : this->Stream2SourceTemp = state.dataLoopNodes->Node(Strm2Node).Temp;
433 : }
434 0 : if (SetPntNode > 0) {
435 0 : this->SetPointTemp = state.dataLoopNodes->Node(SetPntNode).TempSetPoint;
436 : }
437 0 : if (PumpOutNode > 0) {
438 0 : this->MixedMassFlowRate = state.dataLoopNodes->Node(PumpOutNode).MassFlowRate;
439 : }
440 0 : }
441 :
442 0 : void TemperValveData::calculate(EnergyPlusData &state)
443 : {
444 :
445 : // SUBROUTINE INFORMATION:
446 : // AUTHOR B. Griffith, NREL
447 : // DATE WRITTEN Jan. 2006
448 : // MODIFIED na
449 : // RE-ENGINEERED na
450 :
451 : // PURPOSE OF THIS SUBROUTINE:
452 : // This routine does the calculations for Valves.
453 : // Currently only one type of valve, for Tempering.
454 :
455 : // METHODOLOGY EMPLOYED:
456 : // Tempering valve calculations involve computing a flow fraction
457 : // that should be diverted. See update routine for setting flow rates.
458 :
459 : // SUBROUTINE LOCAL VARIABLE DECLARATIONS:
460 : Real64 Tin; // local working variable for Inlet Temperature (C)
461 : Real64 Tset; // local working variable for Setpoint Temperature (C)
462 : Real64 Ts2; // local Working Variable for Stream 2 outlet Temperature (C)
463 :
464 0 : if (state.dataGlobal->KickOffSimulation) {
465 0 : return;
466 : }
467 :
468 0 : if (state.dataPlnt->PlantLoop(this->plantLoc.loopNum).LoopSide(this->plantLoc.loopSideNum).FlowLock == DataPlant::FlowLock::Unlocked) {
469 0 : Tin = this->InletTemp;
470 0 : Tset = this->SetPointTemp;
471 0 : Ts2 = this->Stream2SourceTemp;
472 :
473 0 : if (Ts2 <= Tset) {
474 0 : this->FlowDivFract = 0.0;
475 : } else { // Divert some or all flow
476 0 : if (Tin < Ts2) {
477 0 : this->FlowDivFract = (Ts2 - Tset) / (Ts2 - Tin);
478 : } else {
479 0 : this->FlowDivFract = 1.0;
480 : }
481 : }
482 0 : } else if (state.dataPlnt->PlantLoop(this->plantLoc.loopNum).LoopSide(this->plantLoc.loopSideNum).FlowLock ==
483 : DataPlant::FlowLock::Locked) { // don't recalc diversion, just reuse current flows
484 0 : if (this->MixedMassFlowRate > 0.0) {
485 0 : this->FlowDivFract = state.dataLoopNodes->Node(this->PltOutletNodeNum).MassFlowRate / this->MixedMassFlowRate;
486 : } else {
487 0 : this->FlowDivFract = 0.0;
488 : }
489 : }
490 :
491 0 : if (this->FlowDivFract < 0.0) {
492 0 : this->FlowDivFract = 0.0;
493 : }
494 0 : if (this->FlowDivFract > 1.0) {
495 0 : this->FlowDivFract = 1.0;
496 : }
497 : }
498 0 : void TemperValveData::oneTimeInit([[maybe_unused]] EnergyPlusData &state)
499 : {
500 0 : }
501 0 : void TemperValveData::oneTimeInit_new([[maybe_unused]] EnergyPlusData &state)
502 : {
503 0 : }
504 :
505 : } // namespace PlantValves
506 :
507 : } // namespace EnergyPlus
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