181 lines
10 KiB
Python
181 lines
10 KiB
Python
"""
|
|
Nrel-based interface, it reads format defined within the CERC team based on NREL structure
|
|
and enriches the city with archetypes and materials
|
|
SPDX - License - Identifier: LGPL - 3.0 - or -later
|
|
Copyright © 2020 Project Author Pilar Monsalvete pilar_monsalvete@yahoo.es
|
|
"""
|
|
import xmltodict
|
|
|
|
from imports.construction.data_classes.nrel_building_achetype import NrelBuildingArchetype as nba
|
|
from imports.construction.data_classes.nrel_thermal_boundary_archetype import NrelThermalBoundaryArchetype as ntba
|
|
from imports.construction.data_classes.nrel_thermal_opening_archetype import NrelThermalOpeningArchetype as ntoa
|
|
from imports.construction.data_classes.nrel_layer_archetype import NrelLayerArchetype as nla
|
|
|
|
|
|
class NrelPhysicsInterface:
|
|
"""
|
|
NrelPhysicsInterface abstract class
|
|
"""
|
|
def __init__(self, base_path, constructions_file='us_constructions.xml',
|
|
archetypes_file='us_archetypes.xml'):
|
|
self._building_archetypes = []
|
|
# load construction Library, CERC-NREL format
|
|
path = str(base_path / constructions_file)
|
|
with open(path) as xml:
|
|
self._library = xmltodict.parse(xml.read(), force_list='layer')
|
|
|
|
# load archetypes Library, CERC-NREL format
|
|
path = str(base_path / archetypes_file)
|
|
with open(path) as xml:
|
|
self._archetypes = xmltodict.parse(xml.read(), force_list='layer')
|
|
|
|
for archetype in self._archetypes['archetypes']['archetype']:
|
|
archetype_keys = {}
|
|
for key, value in archetype.items():
|
|
if key[0] == '@':
|
|
archetype_keys[key] = value
|
|
average_storey_height = archetype['average_storey_height']['#text']
|
|
units = archetype['average_storey_height']['@units']
|
|
if units != 'm':
|
|
raise Exception(f'average storey height units = {units}, expected meters')
|
|
storeys_above_ground = archetype['number_of_storeys']['#text']
|
|
effective_thermal_capacity = float(archetype['thermal_capacity']['#text'])*1000
|
|
units = archetype['thermal_capacity']['@units']
|
|
if units != 'kJ/K m2':
|
|
raise Exception(f'thermal capacity units = {units}, expected kJ/K m2')
|
|
additional_thermal_bridge_u_value = archetype['extra_loses_due_to_thermal_bridges']['#text']
|
|
units = archetype['extra_loses_due_to_thermal_bridges']['@units']
|
|
if units != 'W/K m2':
|
|
raise Exception(f'extra loses due to thermal bridges units = {units}, expected W/K m2')
|
|
indirectly_heated_area_ratio = archetype['indirect_heated_ratio']['#text']
|
|
# todo: check how infiltration rate is used in the model
|
|
infiltration_rate_system_off = archetype['infiltration_rate_for_ventilation_system_off']['#text']
|
|
units = archetype['infiltration_rate_for_ventilation_system_off']['@units']
|
|
if units != 'ACH':
|
|
raise Exception(f'infiltration rate for ventilation when system off units = {units}, expected ACH')
|
|
infiltration_rate_system_on = archetype['infiltration_rate_for_ventilation_system_on']['#text']
|
|
units = archetype['infiltration_rate_for_ventilation_system_on']['@units']
|
|
if units != 'ACH':
|
|
raise Exception(f'infiltration rate for ventilation when system on units = {units}, expected ACH')
|
|
|
|
thermal_boundary_archetypes = []
|
|
for construction in archetype['construction']['construction']:
|
|
construction_type = construction['@type']
|
|
construction_id = construction['@id']
|
|
|
|
c_lib = self._search_construction_type('construction', construction_id)
|
|
construction_name = c_lib['@name']
|
|
layers = []
|
|
if 'layers' in c_lib:
|
|
for current_layer in c_lib['layers']['layer']:
|
|
material_lib = self._search_construction_type('material', current_layer['material'])
|
|
name = material_lib['@name']
|
|
solar_absorptance = material_lib['solar_absorptance']['#text']
|
|
thermal_absorptance = material_lib['thermal_absorptance']['#text']
|
|
visible_absorptance = material_lib['visible_absorptance']['#text']
|
|
no_mass = 'no_mass' in material_lib
|
|
if no_mass:
|
|
thermal_resistance = material_lib['thermal_resistance']['#text']
|
|
units = material_lib['thermal_resistance']['@units']
|
|
if units != 'm2 K/W':
|
|
raise Exception(f'thermal resistance units = {units}, expected m2 K/W')
|
|
layer = nla(name, solar_absorptance, thermal_absorptance, visible_absorptance, no_mass=no_mass,
|
|
thermal_resistance=thermal_resistance)
|
|
else:
|
|
thickness = current_layer['thickness']['#text']
|
|
units = current_layer['thickness']['@units']
|
|
if units != 'm':
|
|
raise Exception(f'thickness units = {units}, expected m')
|
|
conductivity = material_lib['conductivity']['#text']
|
|
units = material_lib['conductivity']['@units']
|
|
if units != 'W/m K':
|
|
raise Exception(f'conductivity units = {units}, expected W/m K')
|
|
specific_heat = material_lib['specific_heat']['#text']
|
|
units = material_lib['specific_heat']['@units']
|
|
if units != 'J/kg K':
|
|
raise Exception(f'specific_heat units = {units}, expected J/kg K')
|
|
density = material_lib['density']['#text']
|
|
units = material_lib['density']['@units']
|
|
if units != 'kg/m3':
|
|
raise Exception(f'density units = {units}, expected kg/m3')
|
|
layer = nla(name, solar_absorptance, thermal_absorptance, visible_absorptance, thickness=thickness,
|
|
conductivity=conductivity, specific_heat=specific_heat, density=density)
|
|
layers.append(layer)
|
|
|
|
thermal_opening = None
|
|
window_ratio = 0
|
|
if 'window' in construction and construction['window'] is not None:
|
|
window_ratio = construction['window_ratio']['#text']
|
|
w_lib = self._search_construction_type('window', construction['window'])
|
|
frame_ratio = w_lib['frame_ratio']['#text']
|
|
if 'conductivity' in w_lib:
|
|
conductivity = w_lib['conductivity']['#text']
|
|
units = w_lib['conductivity']['@units']
|
|
if units != 'W/m K':
|
|
raise Exception(f'conductivity units = {units}, expected W/m K')
|
|
thickness = w_lib['thickness']['#text']
|
|
units = w_lib['thickness']['@units']
|
|
if units != 'm':
|
|
raise Exception(f'thickness units = {units}, expected m')
|
|
g_value = w_lib['solar_transmittance_at_normal_incidence']['#text']
|
|
back_side_solar_transmittance_at_normal_incidence = \
|
|
w_lib['back_side_solar_transmittance_at_normal_incidence']['#text']
|
|
front_side_solar_transmittance_at_normal_incidence = \
|
|
w_lib['front_side_solar_transmittance_at_normal_incidence']['#text']
|
|
thermal_opening = ntoa(conductivity=conductivity, frame_ratio=frame_ratio, g_value=g_value,
|
|
thickness=thickness, back_side_solar_transmittance_at_normal_incidence=
|
|
back_side_solar_transmittance_at_normal_incidence,
|
|
front_side_solar_transmittance_at_normal_incidence=
|
|
front_side_solar_transmittance_at_normal_incidence)
|
|
else:
|
|
overall_u_value = w_lib['overall_u_value']['#text']
|
|
units = w_lib['overall_u_value']['@units']
|
|
if units != 'W/m2 K':
|
|
raise Exception(f'overall U-value units = {units}, expected W/m2 K')
|
|
g_value = w_lib['g_value']
|
|
thermal_opening = ntoa(frame_ratio=frame_ratio, g_value=g_value, overall_u_value=overall_u_value)
|
|
|
|
if 'outside_thermal_absorptance' in c_lib:
|
|
outside_solar_absorptance = c_lib['outside_solar_absorptance']['#text']
|
|
outside_thermal_absorptance = c_lib['outside_thermal_absorptance']['#text']
|
|
outside_visible_absorptance = c_lib['outside_visible_absorptance']['#text']
|
|
thermal_boundary_archetype = ntba(construction_type, window_ratio, construction_name, layers, thermal_opening,
|
|
outside_solar_absorptance, outside_thermal_absorptance,
|
|
outside_visible_absorptance)
|
|
else:
|
|
if 'overall_u_value' in c_lib:
|
|
overall_u_value = c_lib['overall_u_value']['#text']
|
|
units = c_lib['overall_u_value']['@units']
|
|
if units != 'W/m2 K':
|
|
raise Exception(f'overall U-value units = {units}, expected W/m2 K')
|
|
outside_solar_absorptance = c_lib['outside_solar_absorptance']['#text']
|
|
thermal_boundary_archetype = ntba(construction_type, window_ratio, construction_name, layers,
|
|
thermal_opening, outside_solar_absorptance=outside_solar_absorptance,
|
|
overall_u_value=overall_u_value)
|
|
else:
|
|
thermal_boundary_archetype = ntba(construction_type, window_ratio, construction_name, layers,
|
|
thermal_opening)
|
|
|
|
thermal_boundary_archetypes.append(thermal_boundary_archetype)
|
|
building_archetype = nba(archetype_keys, average_storey_height, storeys_above_ground,
|
|
effective_thermal_capacity, additional_thermal_bridge_u_value,
|
|
indirectly_heated_area_ratio, infiltration_rate_system_off,
|
|
infiltration_rate_system_on, thermal_boundary_archetypes)
|
|
self._building_archetypes.append(building_archetype)
|
|
|
|
def _search_construction_type(self, construction_type, construction_id):
|
|
for c_lib in self._library['library'][construction_type + 's'][construction_type]:
|
|
if construction_id == c_lib['@id']:
|
|
return c_lib
|
|
raise Exception('Archetype definition contains elements that does not exist in the library')
|
|
|
|
@staticmethod
|
|
def _search_construction_in_archetype(building_archetype, construction_type):
|
|
for thermal_boundary in building_archetype.thermal_boundary_archetypes:
|
|
if thermal_boundary.boundary_type == construction_type:
|
|
return thermal_boundary
|
|
raise Exception('Construction type not found')
|
|
|
|
def enrich_buildings(self):
|
|
raise NotImplementedError
|