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47 :
48 : #ifndef ConvectionCoefficients_hh_INCLUDED
49 : #define ConvectionCoefficients_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 : #include <ObjexxFCL/Array1S.hh>
54 : #include <ObjexxFCL/Optional.hh>
55 :
56 : // EnergyPlus Headers
57 : #include <EnergyPlus/ConvectionConstants.hh>
58 : #include <EnergyPlus/Data/BaseData.hh>
59 : #include <EnergyPlus/DataGlobals.hh>
60 : #include <EnergyPlus/DataSurfaces.hh>
61 : #include <EnergyPlus/EnergyPlus.hh>
62 : #include <EnergyPlus/UtilityRoutines.hh>
63 :
64 : namespace EnergyPlus {
65 :
66 : // Forward declarations
67 : struct EnergyPlusData;
68 :
69 : namespace Convect {
70 :
71 : struct HcIntUserCurve
72 : {
73 : // Members
74 : std::string Name; // user's name for object
75 : RefTemp refTempType = RefTemp::Invalid;
76 : int hcFnTempDiffCurveNum = 0;
77 : int hcFnTempDiffDivHeightCurveNum = 0;
78 : int hcFnACHCurveNum = 0;
79 : int hcFnACHDivPerimLengthCurveNum = 0;
80 : };
81 :
82 : struct HcExtUserCurve
83 : {
84 : // Members
85 : std::string Name;
86 : RefTemp refTempType = RefTemp::Invalid;
87 : bool suppressRainChange = false;
88 : RefWind windSpeedType = RefWind::Invalid;
89 : int hfFnWindSpeedCurveNum = 0;
90 : int hnFnTempDiffCurveNum = 0;
91 : int hnFnTempDiffDivHeightCurveNum = 0;
92 : };
93 :
94 : struct IntAdaptiveConvAlgo
95 : {
96 : // Members
97 : std::string Name;
98 :
99 : std::array<HcInt, static_cast<int>(IntConvClass::Num)> intConvClassEqNums = {
100 : HcInt::FohannoPolidoriVerticalWall, // A3_SimpleBuoy_VertWalls
101 : HcInt::AlamdariHammondStableHorizontal, // A3_SimpleBuoy_StableHoriz
102 : HcInt::AlamdariHammondUnstableHorizontal, // A3_SimpleBuoy_UnstableHoriz
103 : HcInt::WaltonStableHorizontalOrTilt, // A3_SimpleBuoy_StableTilted
104 : HcInt::WaltonUnstableHorizontalOrTilt, // A3_SimpleBuoy_UnstableTilted
105 : HcInt::ISO15099Windows, // A3_SimpleBuoy_Windows
106 : HcInt::KhalifaEq3WallAwayFromHeat, // A1_FloorHeatCeilingCool_VertWalls
107 : HcInt::AlamdariHammondStableHorizontal, // A1_FloorHeatCeilingCool_StableHoriz
108 : HcInt::KhalifaEq4CeilingAwayFromHeat, // A1_FloorHeatCeilingCool_UnstableHoriz
109 : HcInt::AwbiHattonHeatedFloor, // A1_FloorHeatCeilingCool_HeatedFloor
110 : HcInt::KaradagChilledCeiling, // A1_FloorHeatCeilingCool_ChilledCeil
111 : HcInt::WaltonStableHorizontalOrTilt, // A1_FloorHeatCeilingCool_StableTilted
112 : HcInt::WaltonUnstableHorizontalOrTilt, // A1_FloorHeatCeilingCool_UnstableTilted
113 : HcInt::ISO15099Windows, // A1_FloorHeatCeilingCool_Windows
114 : HcInt::KhalifaEq6NonHeatedWalls, // A2_WallPanelHeat_VertWallsNonHeated
115 : HcInt::AwbiHattonHeatedWall, // A2_WallPanelHeat_HeatedVerticalWall
116 : HcInt::AlamdariHammondStableHorizontal, // A2_WallPanelHeat_StableHoriz
117 : HcInt::KhalifaEq7Ceiling, // A2_WallPanelHeat_UnstableHoriz
118 : HcInt::WaltonStableHorizontalOrTilt, // A2_WallPanelHeat_StableTilted
119 : HcInt::WaltonUnstableHorizontalOrTilt, // A2_WallPanelHeat_UnstableTilted
120 : HcInt::ISO15099Windows, // A2_WallPanelHeat_Windows
121 : HcInt::FohannoPolidoriVerticalWall, // B_ConvectiveHeat_VertWall
122 : HcInt::KhalifaEq5WallNearHeat, // B_ConvectiveHeat_VertWallNearHeater
123 : HcInt::AlamdariHammondStableHorizontal, // B_ConvectiveHeat_StableHoriz
124 : HcInt::KhalifaEq7Ceiling, // B_ConvectiveHeat_UnstableHoriz
125 : HcInt::WaltonStableHorizontalOrTilt, // B_ConvectiveHeat_StableTilted
126 : HcInt::WaltonUnstableHorizontalOrTilt, // B_ConvectiveHeat_UnstableTilted
127 : HcInt::ISO15099Windows, // B_ConvectiveHeat_Windows
128 : HcInt::GoldsteinNovoselacCeilingDiffuserWalls, // C_CentralAir_Walls
129 : HcInt::FisherPedersenCeilDiffuserCeiling, // C_CentralAir_Ceiling
130 : HcInt::GoldsteinNovoselacCeilingDiffuserFloor, // C_CentralAir_Floor
131 : HcInt::GoldsteinNovoselacCeilingDiffuserWindow, // C_CentralAir_Windows
132 : HcInt::KhalifaEq3WallAwayFromHeat, // D_ZoneFanCirc_VertWall
133 : HcInt::AlamdariHammondStableHorizontal, // D_ZoneFanCirc_StableHoriz
134 : HcInt::KhalifaEq4CeilingAwayFromHeat, // D_ZoneFanCirc_UnstableHoriz
135 : HcInt::WaltonStableHorizontalOrTilt, // D_ZoneFanCirc_StableTilted
136 : HcInt::WaltonUnstableHorizontalOrTilt, // D_ZoneFanCirc_UnstableTilted
137 : HcInt::ISO15099Windows, // D_ZoneFanCirc_Windows
138 : HcInt::BeausoleilMorrisonMixedAssistingWall, // E_MixedBuoy_AssistFlowWall
139 : HcInt::BeausoleilMorrisonMixedOppossingWall, // E_MixedBuoy_OppositeFlowWall
140 : HcInt::BeausoleilMorrisonMixedStableFloor, // E_MixedBuoy_StableFloor
141 : HcInt::BeausoleilMorrisonMixedUnstableFloor, // E_MixedBuoy_UnstableFloor
142 : HcInt::BeausoleilMorrisonMixedStableCeiling, // E_MixedBuoy_StableCeiling
143 : HcInt::BeausoleilMorrisonMixedUnstableCeiling, // E_MixedBuoy_UnstableCeiling
144 : HcInt::GoldsteinNovoselacCeilingDiffuserWindow // E_MixedBuoy_Windows
145 : };
146 :
147 : std::array<int, static_cast<int>(IntConvClass::Num)> intConvClassUserCurveNums = {
148 : 0, // A3_SimpleBuoy_VertWalls
149 : 0, // A3_SimpleBuoy_StableHoriz
150 : 0, // A3_SimpleBuoy_UnstableHoriz
151 : 0, // A3_SimpleBuoy_StableTilted
152 : 0, // A3_SimpleBuoy_UnstableTilted
153 : 0, // A3_SimpleBuoy_Windows
154 : 0, // A1_FloorHeatCeilingCool_VertWalls
155 : 0, // A1_FloorHeatCeilingCool_StableHoriz
156 : 0, // A1_FloorHeatCeilingCool_UnstableHoriz
157 : 0, // A1_FloorHeatCeilingCool_HeatedFloor
158 : 0, // A1_FloorHeatCeilingCool_ChilledCeil
159 : 0, // A1_FloorHeatCeilingCool_StableTilted
160 : 0, // A1_FloorHeatCeilingCool_UnstableTilted
161 : 0, // A1_FloorHeatCeilingCool_Windows
162 : 0, // A2_WallPanelHeat_VertWallsNonHeated
163 : 0, // A2_WallPanelHeat_HeatedVerticalWall
164 : 0, // A2_WallPanelHeat_StableHoriz
165 : 0, // A2_WallPanelHeat_UnstableHoriz
166 : 0, // A2_WallPanelHeat_StableTilted
167 : 0, // A2_WallPanelHeat_UnstableTilted
168 : 0, // A2_WallPanelHeat_Windows
169 : 0, // B_ConvectiveHeat_VertWall
170 : 0, // B_ConvectiveHeat_VertWallNearHeater
171 : 0, // B_ConvectiveHeat_StableHoriz
172 : 0, // B_ConvectiveHeat_UnstableHoriz
173 : 0, // B_ConvectiveHeat_StableTilted
174 : 0, // B_ConvectiveHeat_UnstableTilted
175 : 0, // B_ConvectiveHeat_Windows
176 : 0, // C_CentralAir_Walls
177 : 0, // C_CentralAir_Ceiling
178 : 0, // C_CentralAir_Floor
179 : 0, // C_CentralAir_Windows
180 : 0, // D_ZoneFanCirc_VertWall
181 : 0, // D_ZoneFanCirc_StableHoriz
182 : 0, // D_ZoneFanCirc_UnstableHoriz
183 : 0, // D_ZoneFanCirc_StableTilted
184 : 0, // D_ZoneFanCirc_UnstableTilted
185 : 0, // D_ZoneFanCirc_Windows
186 : 0, // E_MixedBuoy_AssistFlowWall
187 : 0, // E_MixedBuoy_OppositeFlowWall
188 : 0, // E_MixedBuoy_StableFloor
189 : 0, // E_MixedBuoy_UnstableFloor
190 : 0, // E_MixedBuoy_StableCeiling
191 : 0, // E_MixedBuoy_UnstableCeiling
192 : 0 // E_MixedBuoy_Windows
193 : };
194 : };
195 :
196 : struct ExtAdaptiveConvAlgo
197 : {
198 : // Members
199 : std::string Name;
200 : bool suppressRainChange = false;
201 :
202 : std::array<HcExt, static_cast<int>(ExtConvClass2::Num)> extConvClass2EqNums = {
203 : HcExt::SparrowWindward, // WindConvection_WindwardWall
204 : HcExt::SparrowLeeward, // WindConvection_LeewardWall
205 : HcExt::ClearRoof, // WindConvection_HorizRoof
206 : HcExt::NaturalASHRAEVerticalWall, // NaturalConvection_VertWall
207 : HcExt::NaturalWaltonStableHorizontalOrTilt, // NaturalConvection_StableHorizOrTilt
208 : HcExt::NaturalWaltonUnstableHorizontalOrTilt // NaturalConvection_StableHorizOrTilt
209 : };
210 :
211 : std::array<int, static_cast<int>(ExtConvClass2::Num)> extConvClass2UserCurveNums = {
212 : 0, // WindConvection_WindwardWall
213 : 0, // WindConvection_LeewardWall
214 : 0, // WindConvection_HorizRoof
215 : 0, // NaturalConvection_VertWall
216 : 0, // NaturalConvection_StableHorizOrTilt
217 : 0 // NaturalConvection_StableHorizOrTilt
218 : };
219 : };
220 :
221 : // Functions
222 :
223 : void InitIntConvCoeff(EnergyPlusData &state,
224 : const Array1D<Real64> &SurfaceTemperatures, // Temperature of surfaces for evaluation of HcIn
225 : ObjexxFCL::Optional_int_const ZoneToResimulate = _ // if passed in, then only calculate surfaces that have this zone
226 : );
227 :
228 : void InitExtConvCoeff(EnergyPlusData &state,
229 : int SurfNum, // Surface number (in Surface derived type)
230 : Real64 HMovInsul, // Equivalent convection coefficient of movable insulation
231 : Material::SurfaceRoughness Roughness, // Roughness index (1-6), see DataHeatBalance parameters
232 : Real64 AbsExt, // Exterior thermal absorptance
233 : Real64 TempExt, // Exterior surface temperature (C)
234 : Real64 &HExt, // Convection coefficient to exterior air
235 : Real64 &HSky, // "Convection" coefficient to sky temperature
236 : Real64 &HGround, // "Convection" coefficient to ground temperature
237 : Real64 &HAir, // Radiation to Air Component
238 : Real64 &HSrdSurf // Radiation to surrounding surfaces
239 : );
240 :
241 : Real64 SurroundingSurfacesRadCoeffAverage(EnergyPlusData &state,
242 : int const SurfNum, // Surface number (in Surface derived type)
243 : Real64 const TempExtK, // Exterior surface temperature (K)
244 : Real64 const AbsExt // Exterior thermal absorptance
245 : );
246 :
247 : Real64 CalcHfExteriorSparrow(Real64 SurfWindSpeed, // Local wind speed at height of the heat transfer surface (m/s)
248 : Real64 GrossArea, // Gross surface area {m2}
249 : Real64 Perimeter, // Surface perimeter length {m}
250 : Real64 CosTilt, // Cosine of the Surface Tilt Angle
251 : Real64 Azimuth, // Facing angle (degrees) of the surface outward normal
252 : Material::SurfaceRoughness Roughness, // Surface roughness index
253 : Real64 WindDirection // Wind (compass) direction (degrees)
254 : );
255 :
256 : bool Windward(Real64 CosTilt, // Cosine of the surface tilt angle
257 : Real64 Azimuth, // or Facing, Direction the surface outward normal faces (degrees)
258 : Real64 WindDirection // Wind direction measured clockwise from geographhic North
259 : );
260 :
261 : void GetUserConvCoeffs(EnergyPlusData &state);
262 :
263 : void ApplyIntConvValue(EnergyPlusData &state, int surfNum, HcInt model, int userNum);
264 : void ApplyExtConvValue(EnergyPlusData &state, int surfNum, HcExt model, int userNum);
265 : void ApplyIntConvValueMulti(EnergyPlusData &state, DataSurfaces::SurfaceFilter surfaceFilter, HcInt model, int userNum);
266 : void ApplyExtConvValueMulti(EnergyPlusData &state, DataSurfaces::SurfaceFilter surfaceFilter, HcExt model, int userNum);
267 :
268 : Real64 CalcASHRAESimpExtConvCoeff(Material::SurfaceRoughness Roughness, // Integer index for roughness, relates to parameter array indices
269 : Real64 SurfWindSpeed // Current wind speed, m/s
270 : );
271 :
272 : Real64 CalcASHRAESimpleIntConvCoeff(Real64 Tsurf, Real64 Tamb, Real64 cosTilt);
273 :
274 : void CalcASHRAESimpleIntConvCoeff(EnergyPlusData &state,
275 : int SurfNum, // surface number for which coefficients are being calculated
276 : Real64 SurfaceTemperature, // Temperature of surface for evaluation of HcIn
277 : Real64 ZoneMeanAirTemperature // Mean Air Temperature of Zone
278 : );
279 :
280 : Real64 CalcASHRAETARPNatural(Real64 Tsurf, Real64 Tamb, Real64 cosTilt);
281 :
282 : void CalcASHRAEDetailedIntConvCoeff(EnergyPlusData &state,
283 : int SurfNum, // surface number for which coefficients are being calculated
284 : Real64 SurfaceTemperature, // Temperature of surface for evaluation of HcIn
285 : Real64 ZoneMeanAirTemperature // Mean Air Temperature of Zone
286 : );
287 :
288 : void CalcDetailedHcInForDVModel(EnergyPlusData &state,
289 : int SurfNum, // surface number for which coefficients are being calculated
290 : const Array1D<Real64> &SurfaceTemperatures, // Temperature of surfaces for evaluation of HcIn
291 : Array1D<Real64> &HcIn, // Interior Convection Coeff Array
292 : ObjexxFCL::Optional<Array1S<Real64> const> Vhc = _ // Velocity array for forced convection coeff calculation
293 : );
294 :
295 : Real64 CalcZoneSupplyAirTemp(EnergyPlusData &state, int ZoneNum);
296 :
297 : Real64 CalcZoneSystemVolFlowRate(EnergyPlusData &state, int ZoneNum);
298 :
299 : Real64 CalcZoneSystemACH(EnergyPlusData &state, int ZoneNum);
300 :
301 : Real64 CalcCeilingDiffuserACH(EnergyPlusData &state, int ZoneNum);
302 :
303 : Real64 CalcCeilingDiffuserIntConvCoeff(EnergyPlusData &state,
304 : Real64 ACH, // [1/hr] air system air change rate
305 : Real64 Tsurf,
306 : Real64 Tair,
307 : Real64 cosTilt,
308 : Real64 humRat,
309 : Real64 height,
310 : bool isWindow = false);
311 :
312 : void CalcCeilingDiffuserIntConvCoeff(EnergyPlusData &state,
313 : int ZoneNum,
314 : const Array1D<Real64> &SurfaceTemperatures); // zone number for which coefficients are being calculated
315 :
316 : // CalcCeilingDiffuserInletCorr should replace CalcCeilingDiffuser (above), if ZoneTempPredictorCorrector can
317 : // ever be made to work correctly with the inlet air temperature.
318 :
319 : void CalcCeilingDiffuserInletCorr(EnergyPlusData &state,
320 : int ZoneNum, // Zone number
321 : Array1D<Real64> &SurfaceTemperatures // For CalcASHRAEDetailed, if called
322 : );
323 :
324 : void CalcTrombeWallIntConvCoeff(EnergyPlusData &state,
325 : int ZoneNum, // Zone number for which coefficients are being calculated
326 : const Array1D<Real64> &SurfaceTemperatures // Temperature of surfaces for evaluation of HcIn
327 : );
328 :
329 : Real64 CalcNusselt(EnergyPlusData &state,
330 : int SurfNum, // Surface number
331 : Real64 asp, // Aspect ratio: window height to gap width
332 : Real64 tso, // Temperature of gap surface closest to outside (K)
333 : Real64 tsi, // Temperature of gap surface closest to zone (K)
334 : Real64 gr, // Gap gas Grashof number
335 : Real64 pr // Gap gas Prandtl number
336 : );
337 :
338 : Real64 SetExtConvCoeff(EnergyPlusData &state, int SurfNum); // Surface Number
339 :
340 : Real64 SetIntConvCoeff(EnergyPlusData &state, int SurfNum); // Surface Number
341 :
342 : Real64 CalcISO15099WindowIntConvCoeff(EnergyPlusData &state,
343 : Real64 SurfaceTemperature, // Temperature of surface for evaluation of HcIn
344 : Real64 AirTemperature, // Mean Air Temperature of Zone (or adjacent air temperature)
345 : Real64 AirHumRat, // air humidity ratio
346 : Real64 Height, // window cavity height [m]
347 : Real64 TiltDeg, // glazing tilt in degrees
348 : Real64 sineTilt // sine of glazing tilt
349 : );
350 :
351 : void CalcISO15099WindowIntConvCoeff(EnergyPlusData &state,
352 : int SurfNum, // surface number for which coefficients are being calculated
353 : Real64 SurfaceTemperature, // Temperature of surface for evaluation of HcIn
354 : Real64 AirTemperature // Mean Air Temperature of Zone (or adjacent air temperature)
355 : );
356 :
357 : void SetupAdaptiveConvStaticMetaData(EnergyPlusData &state);
358 :
359 : void SetupAdaptiveConvRadiantSurfaceData(EnergyPlusData &state);
360 :
361 : void ManageIntAdaptiveConvAlgo(EnergyPlusData &state, int SurfNum); // surface number for which coefficients are being calculated
362 :
363 : Real64 ManageExtAdaptiveConvAlgo(EnergyPlusData &state,
364 : int SurfNum); // surface number for which coefficients are being calculated
365 :
366 : Real64 EvaluateIntHcModels(EnergyPlusData &state, int SurfNum, HcInt ConvModelEquationNum);
367 :
368 : Real64 EvaluateExtHcModels(EnergyPlusData &state, int SurfNum, HcExt NaturalConvModelEqNum, HcExt ForcedConvModelEqNum);
369 :
370 : void DynamicExtConvSurfaceClassification(EnergyPlusData &state, int SurfNum); // surface number
371 :
372 : void MapExtConvClassToHcModels(EnergyPlusData &state, int SurfNum); // surface number
373 :
374 : void DynamicIntConvSurfaceClassification(EnergyPlusData &state, int SurfNum); // surface number
375 :
376 : void MapIntConvClassToHcModels(EnergyPlusData &state, int SurfNum); // surface pointer index
377 :
378 : Real64 CalcUserDefinedIntHcModel(EnergyPlusData &state, int SurfNum, int UserCurveNum);
379 :
380 : Real64 CalcUserDefinedExtHcModel(EnergyPlusData &state, int SurfNum, int UserCurveNum);
381 :
382 : void ShowWarningHydraulicDiameterZero(EnergyPlusData &state, int &errorIdx, ErrorObjectHeader const &eoh);
383 :
384 : void ShowWarningDeltaTempZero(EnergyPlusData &state, int &errorIdx, ErrorObjectHeader const &eoh);
385 :
386 : void ShowWarningWindowLocation(EnergyPlusData &state, int &errorIdx, ErrorObjectHeader const &eoh, IntConvWinLoc winLoc);
387 :
388 : void ShowWarningPerimeterLengthZero(EnergyPlusData &state, int &errorIdx, ErrorObjectHeader const &eoh);
389 :
390 : void ShowWarningFaceAreaZero(EnergyPlusData &state, int &errorIdx, ErrorObjectHeader const &eoh);
391 :
392 : //** Begin catalog of Hc equation functions. **** !*************************************************
393 :
394 20975 : inline Real64 CalcASHRAEVerticalWall(Real64 const DeltaTemp) // [C] temperature difference between surface and air
395 : {
396 :
397 : // FUNCTION INFORMATION:
398 : // AUTHOR Brent Griffith
399 : // DATE WRITTEN Aug 2010
400 : // MODIFIED na
401 : // RE-ENGINEERED na
402 :
403 : // PURPOSE OF THIS FUNCTION:
404 : // Calculate the model equation attributed to ASHRAE for vertical walls for natural convection
405 :
406 : // REFERENCES:
407 : // 2. ASHRAE Handbook of Fundamentals 2001, p. 3.12, Table 5.
408 :
409 20975 : return 1.31 * std::pow(std::abs(DeltaTemp), 1.0 / 3.0);
410 : }
411 :
412 2056129 : inline Real64 CalcWaltonUnstableHorizontalOrTilt(Real64 const DeltaTemp, // [C] temperature difference between surface and air
413 : Real64 const CosineTilt // Cosine of tilt angle
414 : )
415 : {
416 :
417 : // FUNCTION INFORMATION:
418 : // AUTHOR Brent Griffith
419 : // DATE WRITTEN Aug 2010
420 : // MODIFIED na
421 : // RE-ENGINEERED na
422 :
423 : // PURPOSE OF THIS FUNCTION:
424 : // Calculate the model equation attributed to Walton's TARP program for horizontal
425 : // and tilted surfaces with enhanced, thermally unstable natural convection
426 :
427 : // METHODOLOGY EMPLOYED:
428 :
429 : // REFERENCES:
430 : // 1. Walton, G. N. 1983. Thermal Analysis Research Program (TARP) Reference Manual,
431 : // NBSSIR 83-2655, National Bureau of Standards, "Surface Inside Heat Balances", pp 79-80.
432 :
433 2056129 : return 9.482 * std::pow(std::abs(DeltaTemp), 1.0 / 3.0) / (7.238 - std::abs(CosineTilt));
434 : }
435 :
436 2435929 : inline Real64 CalcWaltonStableHorizontalOrTilt(Real64 const DeltaTemp, // [C] temperature difference between surface and air
437 : Real64 const CosineTilt // Cosine of tilt angle
438 : )
439 : {
440 :
441 : // FUNCTION INFORMATION:
442 : // AUTHOR Brent Griffith
443 : // DATE WRITTEN Aug 2010
444 : // MODIFIED na
445 : // RE-ENGINEERED na
446 :
447 : // PURPOSE OF THIS FUNCTION:
448 : // Calculate the model equation attributed to Walton's TARP program for horizontal
449 : // and tilted surfaces with reduced, thermally stable natural convection
450 :
451 : // REFERENCES:
452 : // 1. Walton, G. N. 1983. Thermal Analysis Research Program (TARP) Reference Manual,
453 : // NBSSIR 83-2655, National Bureau of Standards, "Surface Inside Heat Balances", pp 79-80.
454 :
455 2435929 : return 1.810 * std::pow(std::abs(DeltaTemp), 1.0 / 3.0) / (1.382 + std::abs(CosineTilt));
456 : }
457 :
458 : Real64 CalcFisherPedersenCeilDiffuserFloor(EnergyPlusData &state,
459 : Real64 ACH, // [1/hr] air system air change rate
460 : Real64 Tsurf,
461 : Real64 Tair,
462 : Real64 cosTilt,
463 : Real64 humRat,
464 : Real64 height,
465 : bool isWindow = false);
466 :
467 : Real64 CalcFisherPedersenCeilDiffuserCeiling(EnergyPlusData &state,
468 : Real64 ACH, // [1/hr] air system air change rate
469 : Real64 Tsurf,
470 : Real64 Tair,
471 : Real64 cosTilt,
472 : Real64 humRat,
473 : Real64 height,
474 : bool isWindow = false);
475 :
476 : Real64 CalcFisherPedersenCeilDiffuserWalls(EnergyPlusData &state,
477 : Real64 ACH, // [1/hr] air system air change rate
478 : Real64 Tsurf,
479 : Real64 Tair,
480 : Real64 cosTilt,
481 : Real64 humRat,
482 : Real64 height,
483 : bool isWindow = false);
484 :
485 : Real64 CalcFisherPedersenCeilDiffuserNatConv(
486 : EnergyPlusData &state, Real64 Hforced, Real64 ACH, Real64 Tsurf, Real64 Tair, Real64 cosTilt, Real64 humRat, Real64 height, bool isWindow);
487 :
488 : Real64 CalcAlamdariHammondUnstableHorizontal(Real64 DeltaTemp, // [C] temperature difference between surface and air
489 : Real64 HydraulicDiameter // [m] characteristic size, = (4 * area) / perimeter
490 : );
491 :
492 : Real64 CalcAlamdariHammondUnstableHorizontal(EnergyPlusData &state,
493 : Real64 DeltaTemp, // [C] temperature difference between surface and air
494 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
495 : int SurfNum // for messages
496 : );
497 :
498 : Real64 CalcAlamdariHammondStableHorizontal(Real64 DeltaTemp, // [C] temperature difference between surface and air
499 : Real64 HydraulicDiameter // [m] characteristic size, = (4 * area) / perimeter
500 : );
501 :
502 : Real64 CalcAlamdariHammondStableHorizontal(EnergyPlusData &state,
503 : Real64 DeltaTemp, // [C] temperature difference between surface and air
504 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
505 : int SurfNum // for messages
506 : );
507 :
508 : Real64 CalcAlamdariHammondVerticalWall(Real64 DeltaTemp, // [C] temperature difference between surface and air
509 : Real64 Height // [m] characteristic size, = zone height
510 : );
511 :
512 : Real64 CalcAlamdariHammondVerticalWall(EnergyPlusData &state,
513 : Real64 DeltaTemp, // [C] temperature difference between surface and air
514 : Real64 Height, // [m] characteristic size, = zone height
515 : int SurfNum // for messages
516 : );
517 :
518 : Real64 CalcKhalifaEq3WallAwayFromHeat(Real64 DeltaTemp); // [C] temperature difference between surface and air
519 :
520 : Real64 CalcKhalifaEq4CeilingAwayFromHeat(Real64 DeltaTemp); // [C] temperature difference between surface and air
521 :
522 : Real64 CalcKhalifaEq5WallsNearHeat(Real64 DeltaTemp); // [C] temperature difference between surface and air
523 :
524 : Real64 CalcKhalifaEq6NonHeatedWalls(Real64 DeltaTemp); // [C] temperature difference between surface and air
525 :
526 : Real64 CalcKhalifaEq7Ceiling(Real64 DeltaTemp); // [C] temperature difference between surface and air
527 :
528 : Real64 CalcAwbiHattonHeatedFloor(Real64 DeltaTemp, // [C] temperature difference between surface and air
529 : Real64 HydraulicDiameter // [m] characteristic size, = (4 * area) / perimeter
530 : );
531 :
532 : Real64 CalcAwbiHattonHeatedWall(Real64 DeltaTemp, // [C] temperature difference between surface and air
533 : Real64 HydraulicDiameter // [m] characteristic size, = (4 * area) / perimeter
534 : );
535 :
536 : Real64 CalcBeausoleilMorrisonMixedAssistedWall(Real64 DeltaTemp, // [C] temperature difference between surface and air
537 : Real64 Height, // [m] characteristic size
538 : Real64 SurfTemp, // [C] surface temperature
539 : Real64 SupplyAirTemp, // [C] temperature of supply air into zone
540 : Real64 AirChangeRate // [ACH] [1/hour] supply air ACH for zone
541 : );
542 :
543 : Real64 CalcBeausoleilMorrisonMixedAssistedWall(EnergyPlusData &state,
544 : Real64 DeltaTemp, // [C] temperature difference between surface and air
545 : Real64 Height, // [m] characteristic size
546 : Real64 SurfTemp, // [C] surface temperature
547 : int ZoneNum // index of zone for messaging
548 : );
549 :
550 : Real64 CalcBeausoleilMorrisonMixedOpposingWall(Real64 DeltaTemp, // [C] temperature difference between surface and air
551 : Real64 Height, // [m] characteristic size
552 : Real64 SurfTemp, // [C] surface temperature
553 : Real64 SupplyAirTemp, // [C] temperature of supply air into zone
554 : Real64 AirChangeRate // [ACH] [1/hour] supply air ACH for zone
555 : );
556 :
557 : Real64 CalcBeausoleilMorrisonMixedOpposingWall(EnergyPlusData &state,
558 : Real64 DeltaTemp, // [C] temperature difference between surface and air
559 : Real64 Height, // [m] characteristic size
560 : Real64 SurfTemp, // [C] surface temperature
561 : int ZoneNum // index of zone for messaging
562 : );
563 :
564 : Real64 CalcBeausoleilMorrisonMixedStableFloor(Real64 DeltaTemp, // [C] temperature difference between surface and air
565 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
566 : Real64 SurfTemp, // [C] surface temperature
567 : Real64 SupplyAirTemp, // [C] temperature of supply air into zone
568 : Real64 AirChangeRate // [ACH] [1/hour] supply air ACH for zone
569 : );
570 :
571 : Real64 CalcBeausoleilMorrisonMixedStableFloor(EnergyPlusData &state,
572 : Real64 DeltaTemp, // [C] temperature difference between surface and air
573 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
574 : Real64 SurfTemp, // [C] surface temperature
575 : int ZoneNum // index of zone for messaging
576 : );
577 :
578 : Real64 CalcBeausoleilMorrisonMixedUnstableFloor(Real64 DeltaTemp, // [C] temperature difference between surface and air
579 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
580 : Real64 SurfTemp, // [C] surface temperature
581 : Real64 SupplyAirTemp, // [C] temperature of supply air into zone
582 : Real64 AirChangeRate // [ACH] [1/hour] supply air ACH for zone
583 : );
584 :
585 : Real64 CalcBeausoleilMorrisonMixedUnstableFloor(EnergyPlusData &state,
586 : Real64 DeltaTemp, // [C] temperature difference between surface and air
587 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
588 : Real64 SurfTemp, // [C] surface temperature
589 : int ZoneNum // index of zone for messaging
590 : );
591 :
592 : Real64 CalcBeausoleilMorrisonMixedStableCeiling(Real64 DeltaTemp, // [C] temperature difference between surface and air
593 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
594 : Real64 SurfTemp, // [C] surface temperature
595 : Real64 SupplyAirTemp, // [C] temperature of supply air into zone
596 : Real64 AirChangeRate // [ACH] [1/hour] supply air ACH for zone
597 : );
598 :
599 : Real64 CalcBeausoleilMorrisonMixedStableCeiling(EnergyPlusData &state,
600 : Real64 DeltaTemp, // [C] temperature difference between surface and air
601 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
602 : Real64 SurfTemp, // [C] surface temperature
603 : int ZoneNum // index of zone for messaging
604 : );
605 :
606 : Real64 CalcBeausoleilMorrisonMixedUnstableCeiling(Real64 DeltaTemp, // [C] temperature difference between surface and air
607 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
608 : Real64 SurfTemp, // [C] surface temperature
609 : Real64 SupplyAirTemp, // [C] temperature of supply air into zone
610 : Real64 AirChangeRate // [ACH] [1/hour] supply air ACH for zone
611 : );
612 :
613 : Real64 CalcBeausoleilMorrisonMixedUnstableCeiling(EnergyPlusData &state,
614 : Real64 DeltaTemp, // [C] temperature difference between surface and air
615 : Real64 HydraulicDiameter, // [m] characteristic size, = (4 * area) / perimeter
616 : Real64 SurfTemp, // [C] surface temperature
617 : int ZoneNum // index of zone for messaging
618 : );
619 :
620 : Real64 CalcFohannoPolidoriVerticalWall(Real64 DeltaTemp, // [C] temperature difference between surface and air
621 : Real64 Height, // [m] characteristic size, height of zone
622 : Real64 SurfTemp, // [C] surface temperature
623 : Real64 QdotConv // [W/m2] heat flux rate for rayleigh #
624 : );
625 :
626 : Real64 CallCalcFohannoPolidoriVerticalWall(EnergyPlusData &state,
627 : Real64 DeltaTemp, // [C] temperature difference between surface and air
628 : Real64 Height, // [m] characteristic size, height of zone
629 : Real64 SurfTemp, // [C] surface temperature
630 : Real64 QdotConv, // [W/m2] heat flux rate for rayleigh #
631 : int SurfNum // for messages
632 : );
633 :
634 : Real64 CalcKaradagChilledCeiling(Real64 DeltaTemp); // [C] temperature difference between surface and air
635 :
636 : Real64 CalcGoldsteinNovoselacCeilingDiffuserWindow(Real64 AirSystemFlowRate, // [m3/s] air system flow rate
637 : Real64 ZoneExtPerimLength, // [m] length of zone perimeter with exterior walls
638 : Real64 WindWallRatio, // [ ] fraction of window area to wall area for zone
639 : IntConvWinLoc WindowLocationType // index for location types
640 : );
641 :
642 : Real64 CalcGoldsteinNovoselacCeilingDiffuserWindow(EnergyPlusData &state,
643 : Real64 ZoneExtPerimLength, // [m] length of zone perimeter with exterior walls
644 : Real64 WindWallRatio, // [ ] fraction of window area to wall area for zone
645 : IntConvWinLoc WindowLocationType, // index for location types
646 : int ZoneNum // for messages
647 : );
648 :
649 : Real64 CalcGoldsteinNovoselacCeilingDiffuserWall(Real64 AirSystemFlowRate, // [m3/s] air system flow rate
650 : Real64 ZoneExtPerimLength, // [m] length of zone perimeter with exterior walls
651 : IntConvWinLoc WindowLocationType // index for location types
652 : );
653 :
654 : Real64 CalcGoldsteinNovoselacCeilingDiffuserWall(EnergyPlusData &state,
655 : Real64 ZoneExtPerimLength, // [m] length of zone perimeter with exterior walls
656 : IntConvWinLoc WindowLocationType, // index for location types
657 : int ZoneNum // for messages
658 : );
659 :
660 : Real64 CalcGoldsteinNovoselacCeilingDiffuserFloor(Real64 AirSystemFlowRate, // [m3/s] air system flow rate
661 : Real64 ZoneExtPerimLength // [m] length of zone perimeter with exterior walls
662 : );
663 :
664 : Real64 CalcGoldsteinNovoselacCeilingDiffuserFloor(EnergyPlusData &state,
665 : Real64 ZoneExtPerimLength, // [m] length of zone perimeter with exterior walls
666 : int ZoneNum // for messages
667 : );
668 :
669 : Real64 CalcSparrowWindward(Material::SurfaceRoughness roughness, Real64 FacePerimeter, Real64 FaceArea, Real64 WindAtZ);
670 :
671 : Real64 CalcSparrowWindward(
672 : EnergyPlusData &state, Material::SurfaceRoughness roughness, Real64 FacePerimeter, Real64 FaceArea, Real64 WindAtZ, int SurfNum);
673 :
674 : Real64 CalcSparrowLeeward(Material::SurfaceRoughness roughness, Real64 FacePerimeter, Real64 FaceArea, Real64 WindAtZ);
675 :
676 : Real64 CalcSparrowLeeward(
677 : EnergyPlusData &state, Material::SurfaceRoughness roughness, Real64 FacePerimeter, Real64 FaceArea, Real64 WindAtZ, int SurfNum);
678 :
679 : Real64 CalcMoWITTNatural(Real64 DeltaTemp);
680 :
681 : Real64 CalcMoWITTForcedWindward(Real64 WindAtZ);
682 :
683 : Real64 CalcMoWITTForcedLeeward(Real64 WindAtZ);
684 :
685 : Real64 CalcMoWITTWindward(Real64 DeltaTemp, Real64 WindAtZ);
686 :
687 : Real64 CalcMoWITTLeeward(Real64 DeltaTemp, Real64 WindAtZ);
688 :
689 : Real64 CalcDOE2Forced(Real64 SurfaceTemp, Real64 AirTemp, Real64 CosineTilt, Real64 HfSmooth, Material::SurfaceRoughness roughness);
690 :
691 : Real64 CalcDOE2Windward(Real64 SurfaceTemp, Real64 AirTemp, Real64 CosineTilt, Real64 WindAtZ, Material::SurfaceRoughness roughness);
692 :
693 : Real64 CalcDOE2Leeward(Real64 SurfaceTemp, Real64 AirTemp, Real64 CosineTilt, Real64 WindAtZ, Material::SurfaceRoughness roughness);
694 :
695 : Real64 CalcNusseltJurges(Real64 WindAtZ);
696 :
697 : Real64 CalcMcAdams(Real64 WindAtZ);
698 :
699 : Real64 CalcMitchell(Real64 WindAtZ, Real64 LengthScale);
700 :
701 : Real64 CalcMitchell(EnergyPlusData &state, Real64 WindAtZ, Real64 LengthScale, int SurfNum);
702 :
703 : Real64 CalcBlockenWindward(EnergyPlusData &state,
704 : Real64 WindAt10m,
705 : Real64 WindDir, // Wind direction measured clockwise from geographic North
706 : Real64 SurfAzimuth, // or Facing, Direction the surface outward normal faces (degrees)
707 : int SurfNum);
708 :
709 : Real64 CalcWindSurfaceTheta(Real64 const WindDir, Real64 const SurfAzimuth);
710 :
711 : Real64 CalcEmmelVertical(Real64 WindAt10m,
712 : Real64 WindDir, // Wind direction measured clockwise from geographic North
713 : Real64 SurfAzimuth); // or Facing, Direction the surface outward normal faces (degrees)
714 :
715 : Real64 CalcEmmelRoof(Real64 WindAt10m,
716 : Real64 WindDir, // Wind direction measured clockwise from geographic North
717 : Real64 LongAxisOutwardAzimuth); // or Facing, Direction the surface outward normal faces (degrees)
718 :
719 : Real64 CalcClearRoof(EnergyPlusData &state,
720 : Real64 AirTemp,
721 : Real64 WindAtZ,
722 : Real64 WindDirect, // Wind direction measured clockwise from geographic North
723 : Real64 RoofArea,
724 : Real64 RoofPerimeter,
725 : Material::SurfaceRoughness roughness);
726 :
727 : Real64 CalcClearRoof(EnergyPlusData &state,
728 : int SurfNum,
729 : Real64 SurfTemp,
730 : Real64 AirTemp,
731 : Real64 WindAtZ,
732 : Real64 WindDirect, // Wind direction measured clockwise from geographic North
733 : Real64 RoofArea,
734 : Real64 RoofPerimeter);
735 :
736 : void CalcASTMC1340ConvCoeff(EnergyPlusData &state,
737 : int const SurfNum, // surface number for which coefficients are being calculated
738 : Real64 const SurfaceTemperature, // Temperature of surface for evaluation of HcIn
739 : Real64 const ZoneMeanAirTemperature // Mean Air Temperature of Zone
740 : );
741 :
742 : Real64
743 : CalcASTMC1340ConvCoeff(EnergyPlusData &state, int const SurfNum, Real64 const Tsurf, Real64 const Tair, Real64 const Vair, Real64 const Tilt);
744 :
745 : SurfOrientation GetSurfConvOrientation(Real64 const Tilt);
746 : } // namespace Convect
747 :
748 : struct ConvectionCoefficientsData : BaseGlobalStruct
749 : {
750 :
751 : bool GetUserSuppliedConvectionCoeffs = true; // Get user input first call for Init
752 : Real64 CubeRootOfOverallBuildingVolume = 0.0; // building meta data. cube root of the volume of all the zones
753 : Real64 RoofLongAxisOutwardAzimuth = 0.0; // roof surfaces meta data. outward normal azimuth for longest roof edge
754 :
755 : int BMMixedAssistedWallErrorIDX1 = 0;
756 : int BMMixedAssistedWallErrorIDX2 = 0;
757 : int BMMixedOpposingWallErrorIDX1 = 0;
758 : int BMMixedOpposingWallErrorIDX2 = 0;
759 : int BMMixedStableFloorErrorIDX1 = 0;
760 : int BMMixedStableFloorErrorIDX2 = 0;
761 : int BMMixedUnstableFloorErrorIDX1 = 0;
762 : int BMMixedUnstableFloorErrorIDX2 = 0;
763 : int BMMixedStableCeilingErrorIDX1 = 0;
764 : int BMMixedStableCeilingErrorIDX2 = 0;
765 : int BMMixedUnstableCeilingErrorIDX1 = 0;
766 : int BMMixedUnstableCeilingErrorIDX2 = 0;
767 : int AHUnstableHorizontalErrorIDX = 0;
768 : int AHStableHorizontalErrorIDX = 0;
769 : int AHVerticalWallErrorIDX = 0;
770 : int CalcFohannoPolidoriVerticalWallErrorIDX = 0;
771 : int CalcGoldsteinNovoselacCeilingDiffuserWindowErrorIDX1 = 0;
772 : int CalcGoldsteinNovoselacCeilingDiffuserWindowErrorIDX2 = 0;
773 : int CalcGoldsteinNovoselacCeilingDiffuserWallErrorIDX1 = 0;
774 : int CalcGoldsteinNovoselacCeilingDiffuserWallErrorIDX2 = 0;
775 : int CalcGoldsteinNovoselacCeilingDiffuserFloorErrorIDX = 0;
776 : int CalcSparrowWindwardErrorIDX = 0;
777 : int CalcSparrowLeewardErrorIDX = 0;
778 : int CalcBlockenWindwardErrorIDX = 0;
779 : int CalcClearRoofErrorIDX = 0;
780 : int CalcMitchellErrorIDX = 0;
781 :
782 : // move random statics so they can be reset for unit tests
783 : bool NodeCheck = true;
784 : bool ActiveSurfaceCheck = true;
785 : bool MyEnvirnFlag = true;
786 : bool FirstRoofSurf = true;
787 :
788 : // Object Data
789 : Convect::IntAdaptiveConvAlgo intAdaptiveConvAlgo; // stores rules for Hc model equations
790 : Convect::ExtAdaptiveConvAlgo extAdaptiveConvAlgo;
791 : Array1D<Convect::HcIntUserCurve> hcIntUserCurve;
792 : Array1D<Convect::HcExtUserCurve> hcExtUserCurve;
793 :
794 2126 : void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
795 : {
796 2126 : }
797 :
798 1152 : void init_state([[maybe_unused]] EnergyPlusData &state) override
799 : {
800 1152 : }
801 :
802 2100 : void clear_state() override
803 : {
804 2100 : new (this) ConvectionCoefficientsData();
805 2100 : }
806 : };
807 :
808 : } // namespace EnergyPlus
809 :
810 : #endif
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