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Changes in infiltration profiles and the source of values for infiltration

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This commit is contained in:
ogavalda 2024-09-15 09:44:07 -04:00
parent ec320a2e1c
commit 725746fbcb
4 changed files with 3732 additions and 786 deletions
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32
hub/city_model_structure/building_demand/thermal_archetype.py
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@ -132,3 +132,35 @@ class ThermalArchetype:
:param value: float
"""
self._infiltration_rate_for_ventilation_system_on = value
@property
def infiltration_rate_area_for_ventilation_system_off(self):
"""
Get infiltration rate for ventilation system off in l/s/m2
:return: float
"""
return self._infiltration_rate_for_ventilation_system_off
@infiltration_rate_area_for_ventilation_system_off.setter
def infiltration_rate_area_for_ventilation_system_off(self, value):
"""
Set infiltration rate for ventilation system off in l/s/m2
:param value: float
"""
self._infiltration_rate_for_ventilation_system_off = value
@property
def infiltration_rate_area_for_ventilation_system_on(self):
"""
Get infiltration rate for ventilation system on in l/s/m2
:return: float
"""
return self._infiltration_rate_for_ventilation_system_on
@infiltration_rate_area_for_ventilation_system_on.setter
def infiltration_rate_area_for_ventilation_system_on(self, value):
"""
Set infiltration rate for ventilation system on in l/s/m2
:param value: float
"""
self._infiltration_rate_for_ventilation_system_on = value

20
hub/city_model_structure/building_demand/thermal_zone.py
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@ -44,6 +44,8 @@ class ThermalZone:
self._indirectly_heated_area_ratio = None
self._infiltration_rate_system_on = None
self._infiltration_rate_system_off = None
self._infiltration_rate_area_system_on = None
self._infiltration_rate_area_system_off = None
self._volume = volume
self._ordinate_number = None
self._view_factors_matrix = None
@ -166,6 +168,24 @@ class ThermalZone:
self._infiltration_rate_system_off = self._parent_internal_zone.thermal_archetype.infiltration_rate_for_ventilation_system_off
return self._infiltration_rate_system_off
@property
def infiltration_rate_area_system_on(self):
"""
Get thermal zone infiltration rate system on in air changes per second (1/s)
:return: None or float
"""
self._infiltration_rate_area_system_on = self._parent_internal_zone.thermal_archetype.infiltration_rate_area_for_ventilation_system_on
return self._infiltration_rate_area_system_on
@property
def infiltration_rate_area_system_off(self):
"""
Get thermal zone infiltration rate system off in air changes per second (1/s)
:return: None or float
"""
self._infiltration_rate_area_system_off = self._parent_internal_zone.thermal_archetype.infiltration_rate_area_for_ventilation_system_off
return self._infiltration_rate_area_system_off
@property
def volume(self):
"""

4442
hub/data/construction/nrcan_archetypes.json
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File diff suppressed because it is too large Load Diff

24
hub/exports/building_energy/idf.py
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@ -392,9 +392,9 @@ class Idf:
thermostat = self._add_thermostat(thermal_zone)
self._idf.newidfobject(self._IDEAL_LOAD_AIR_SYSTEM,
Zone_Name=zone_name,
System_Availability_Schedule_Name=f'HVAC AVAIL SCHEDULES {thermal_zone.usage_name}',
Heating_Availability_Schedule_Name=f'HVAC AVAIL SCHEDULES {thermal_zone.usage_name}',
Cooling_Availability_Schedule_Name=f'HVAC AVAIL SCHEDULES {thermal_zone.usage_name}',
System_Availability_Schedule_Name=f'Thermostat_availability schedules {thermal_zone.usage_name}',
Heating_Availability_Schedule_Name=f'Thermostat_availability schedules {thermal_zone.usage_name}',
Cooling_Availability_Schedule_Name=f'Thermostat_availability schedules {thermal_zone.usage_name}',
Template_Thermostat_Name=thermostat.Name)
def _add_occupancy(self, thermal_zone, zone_name):
@ -454,7 +454,7 @@ class Idf:
)
def _add_infiltration(self, thermal_zone, zone_name):
schedule = f'Infiltration schedules {thermal_zone.usage_name}'
schedule = f'INF_CONST schedules {thermal_zone.usage_name}'
_infiltration = thermal_zone.infiltration_rate_system_off * cte.HOUR_TO_SECONDS
self._idf.newidfobject(self._INFILTRATION,
Name=f'{zone_name}_infiltration',
@ -464,6 +464,17 @@ class Idf:
Air_Changes_per_Hour=_infiltration
)
def _add_infiltration_surface(self, thermal_zone, zone_name):
schedule = f'INF_CONST schedules {thermal_zone.usage_name}'
_infiltration = thermal_zone.infiltration_rate_area_system_off
self._idf.newidfobject(self._INFILTRATION,
Name=f'{zone_name}_infiltration',
Zone_or_ZoneList_or_Space_or_SpaceList_Name=zone_name,
Schedule_Name=schedule,
Design_Flow_Rate_Calculation_Method='Flow/ExteriorWallArea',
Air_Changes_per_Hour=_infiltration
)
def _add_ventilation(self, thermal_zone, zone_name):
schedule = f'Ventilation schedules {thermal_zone.usage_name}'
_air_change = thermal_zone.mechanical_air_change * cte.HOUR_TO_SECONDS
@ -549,9 +560,12 @@ class Idf:
self._add_schedules(usage, 'DHW_prof', thermal_zone.domestic_hot_water.schedules)
_new_schedules = self._create_yearly_values_schedules('cold_temp', building.cold_water_temperature[cte.HOUR])
self._add_schedules(usage, 'cold_temp', _new_schedules)
_new_schedules = self._create_constant_value_schedules('DHW_temp', service_temperature)
self._add_schedules(usage, 'DHW_temp', _new_schedules)
_new_schedules = self._create_constant_value_schedules('INF_CONST', 1)
self._add_schedules(usage, 'INF_CONST', _new_schedules)
_new_schedules = self._create_constant_value_schedules('Thermostat_availability', 1)
self._add_schedules(usage, 'Thermostat_availability', _new_schedules)
_occ = thermal_zone.occupancy
if _occ.occupancy_density == 0:
_total_heat = 0