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Incorporated 1st version Domestic Hot Water, still not working.

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This commit is contained in:
Oriol Gavalda 2023-04-11 23:07:56 -04:00
parent 6de00c0331
commit 40fe325a18
5 changed files with 52 additions and 10 deletions
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2
hub/catalog_factories/data_models/usages/thermal_control.py
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@ -19,7 +19,7 @@ class ThermalControl:
heating_set_point_schedules,
cooling_set_point_schedules):
#todo: eliminate negative value
deltaTsetpoint=-1
deltaTsetpoint=0
self._mean_heating_set_point = mean_heating_set_point
self._heating_set_back = heating_set_back
self._mean_cooling_set_point = mean_cooling_set_point

4
hub/city_model_structure/building_demand/thermal_zone.py
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@ -603,7 +603,8 @@ class ThermalZone:
_mean_peak_flow = 0
_mean_service_temperature = 0
for usage in self.usages:
_mean_peak_density_load += usage.percentage * usage.domestic_hot_water.density
# todo: change hardcoded density DHW
_mean_peak_density_load += usage.percentage * 1 #usage.domestic_hot_water.density
_mean_peak_flow += usage.percentage * usage.domestic_hot_water.peak_flow
_mean_service_temperature += usage.percentage * usage.domestic_hot_water.service_temperature
self._domestic_hot_water.density = _mean_peak_density_load
@ -630,6 +631,7 @@ class ThermalZone:
schedule.values = new_values
_schedules.append(schedule)
self._domestic_hot_water.schedules = _schedules
return self._domestic_hot_water
@property

47
hub/exports/building_energy/idf.py
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@ -23,6 +23,7 @@ class Idf:
_LIGHTS = 'LIGHTS'
_APPLIANCES = 'OTHEREQUIPMENT'
_PEOPLE = 'PEOPLE'
_DHW = 'WATERUSE:EQUIPMENT'
_THERMOSTAT = 'HVACTEMPLATE:THERMOSTAT'
_IDEAL_LOAD_AIR_SYSTEM = 'HVACTEMPLATE:ZONE:IDEALLOADSAIRSYSTEM'
_SURFACE = 'BUILDINGSURFACE:DETAILED'
@ -247,6 +248,28 @@ class Idf:
return
return self._add_standard_compact_hourly_schedule(usage, schedule_type, new_schedules)
def _add_servicetemp_schedules(self, thermal_zone):
#todo: clean Domestic Hot Water
_schedule = Schedule()
_schedule.type = cte.DOMESTIC_HOT_WATER
_schedule.data_type = cte.TEMPERATURE
_schedule.time_step = cte.HOUR
_schedule.time_range = cte.DAY
#_schedule.day_types = copy.deepcopy(hvac_availability_schedule.day_types)
_servicetemp_values = []
for schedule_value in thermal_zone._domestic_hot_water.schedules:
if schedule_value == 0:
_servicetemp_values.append(60)
else:
_servicetemp_values.append(60)
_schedule.values = _servicetemp_values
_servicetemp_values.append(_schedule)
for schedule in self._idf.idfobjects[self._HOURLY_SCHEDULE]:
if schedule.Name == f'DHW_temp schedules {thermal_zone.usage_name}':
return
return self._add_standard_compact_hourly_schedule(thermal_zone.usage_name, 'DHW_temp', _servicetemp_values)
def _add_construction(self, thermal_boundary):
for construction in self._idf.idfobjects[self._CONSTRUCTION]:
if thermal_boundary.parent_surface.vegetation is not None:
@ -371,8 +394,6 @@ class Idf:
method = 'Watts/Area'
factor_size = thermal_zone.total_floor_area / thermal_zone.footprint_area
watts_per_zone_floor_area = thermal_zone.appliances.density*factor_size
print(thermal_zone.appliances.density)
print(watts_per_zone_floor_area)
subcategory = f'ELECTRIC EQUIPMENT#{zone_name}#InteriorEquipment'
# _object = self._idf.newidfobject(self._APPLIANCES)
# print(vars(_object))
@ -404,7 +425,23 @@ class Idf:
Design_Flow_Rate_Calculation_Method='AirChanges/Hour',
Air_Changes_per_Hour=thermal_zone.infiltration_rate_system_off*factorreduct
)
def _add_DHW(self, thermal_zone, zone_name):
fuel_type = 'Electricity'
method = 'Watts/Area'
factor_size = thermal_zone.total_floor_area / thermal_zone.footprint_area
peak_flow_rate = thermal_zone.domestic_hot_water.peak_flow*factor_size
#_object = self._idf.newidfobject(self._DHW)
#print(vars(_object))
self._idf.newidfobject(self._DHW,
Name=f'{zone_name}_DHW',
Zone_or_ZoneList_Name=zone_name,
Schedule_Name=f'DHW {thermal_zone.usage_name}',
Peak_flow_rate=peak_flow_rate,
Flow_Rate_Fraction_Schedule_Name=f'DHW_prof {thermal_zone.usage_name}',
Target_Temperature_Schedule_Name=f'DHW_temp {thermal_zone.usage_name}',
Cold_Water_Supply_Temperature_Schedule_Name=f'CW_temp {thermal_zone.usage_name}',
EndUse_Subcategory=f'DHW {thermal_zone.usage_name}'
)
def _rename_building(self, city_name):
name = str(str(city_name.encode("utf-8")))
for building in self._idf.idfobjects[self._BUILDING]:
@ -453,6 +490,9 @@ class Idf:
self._add_schedules(usage, 'Cooling thermostat', thermal_zone.thermal_control.cooling_set_point_schedules)
self._add_schedules(usage, 'Lighting', thermal_zone.lighting.schedules)
self._add_schedules(usage, 'Appliance', thermal_zone.appliances.schedules)
self._add_schedules(usage, 'DHW_prof', thermal_zone.domestic_hot_water.schedules)
self._add_servicetemp_schedules(thermal_zone)
self._add_schedules(usage, 'CW_temp', building.cold_water_temperature.hour)
self._add_people_activity_level_schedules(thermal_zone)
@ -462,6 +502,7 @@ class Idf:
self._add_occupancy(thermal_zone, building.name)
self._add_lighting(thermal_zone, building.name)
self._add_appliances(thermal_zone, building.name)
self._add_DHW(thermal_zone, building.name)
if self._export_type == "Surfaces":
if building.name in self._target_buildings or building.name in self._adjacent_buildings:

1
hub/exports/building_energy/idf_files/Minimal.idf
View File

@ -148,7 +148,6 @@
OutputControl:Table:Style, CommaAndHTML,JtoKWH;
Output:Meter,Electricity:Facility,monthly;
Output:Meter,DISTRICTHEATING:Facility,monthly;
Output:Meter,DISTRICTCOOLING:Facility,monthly;
Output:Meter,InteriorEquipment:Electricity,monthly;

8
hub/exports/building_energy/insel/insel_monthly_energy_balance.py
View File

@ -123,9 +123,9 @@ class InselMonthlyEnergyBalance(Insel):
for ig in usage.internal_gains:
total_internal_gain += ig.average_internal_gain * (ig.convective_fraction + ig.radiative_fraction)
parameters.append(f'{total_internal_gain} % BP(12) #2 Internal gains of zone {i + 1}')
parameters.append(f'{usage.thermal_control.mean_heating_set_point+1} % BP(13) #3 Heating setpoint temperature '
parameters.append(f'{usage.thermal_control.mean_heating_set_point} % BP(13) #3 Heating setpoint temperature '
f'zone {i + 1} (degree Celsius)')
parameters.append(f'{usage.thermal_control.heating_set_back+1} % BP(14) #4 Heating setback temperature '
parameters.append(f'{usage.thermal_control.heating_set_back} % BP(14) #4 Heating setback temperature '
f'zone {i + 1} (degree Celsius)')
parameters.append(f'{usage.thermal_control.mean_cooling_set_point+4} % BP(15) #5 Cooling setpoint temperature '
f'zone {i + 1} (degree Celsius)')
@ -153,8 +153,8 @@ class InselMonthlyEnergyBalance(Insel):
for day_type in schedule.day_types:
infiltration += infiltration_day * cte.DAYS_A_YEAR[day_type] / 365
ventilation += ventilation_day * cte.DAYS_A_YEAR[day_type] / 365
ventilation_infiltration = ventilation + infiltration
#todo: eliminate hardcoded coefficient to ventilationinf
ventilation_infiltration = (ventilation + infiltration)*0.5
parameters.append(f'{ventilation_infiltration} % BP(18) #8 Minimum air change rate zone {i + 1} (ACH)')
parameters.append(f'{len(thermal_zone.thermal_boundaries)} % Number of surfaces = BP(11+8z) \n'