Source code for teaser.examples.verification.verification_ASHRAE_140_600

# Created March 2017
# TEASER Development Team

"""
This script contains of three functions. The first one loads the light-weight
ASHRAE 140 test room 600 from a `*.teaserjson` file. The second one creates
that room within the code. The third one computes parameter with the help of
one of the aforementioned functions.
"""

import os
from teaser.project import Project
from teaser.logic.buildingobjects.building import Building
from teaser.logic.buildingobjects.thermalzone import ThermalZone
from teaser.logic.buildingobjects.buildingphysics.rooftop import Rooftop
from teaser.logic.buildingobjects.buildingphysics.layer import Layer
from teaser.logic.buildingobjects.buildingphysics.material import Material
from teaser.logic.buildingobjects.buildingphysics.outerwall import OuterWall
from teaser.logic.buildingobjects.buildingphysics.floor import Floor
from teaser.logic.buildingobjects.buildingphysics.groundfloor import GroundFloor
from teaser.logic.buildingobjects.buildingphysics.window import Window
from teaser.logic.buildingobjects.useconditions import UseConditions
import teaser.logic.utilities as utilities


[docs] def main(number_of_elements=2): prj = from_scratch(number_of_elements=number_of_elements, save=False) # prj = load_file() prj.used_library_calc = "IBPSA" prj.number_of_elements_calc = number_of_elements prj.merge_windows_calc = False prj.weather_file_path = utilities.get_full_path( os.path.join("data", "input", "inputdata", "weatherdata", "ASHRAE140.mos") ) prj.buildings[0].calc_building_parameter( number_of_elements=number_of_elements, merge_windows=False, used_library="IBPSA" ) prj.export_ibpsa()
[docs] def from_scratch(number_of_elements, save=False, path=utilities.get_default_path()): """This function creates the test room from scratch. Notes: The standard defines an solar absorption coefficient for interior surfaces of 0.6. We do not consider this, but we could by multiplying the solar radiation after the window by 0.6. Parameters ---------- number_of_elements: int Number of elements of model path: str (optional) Path where Project should be stored as .teaserjson save: bool (optional) True if Project should be stored as .teaserjson at path Returns ------- prj: Project Project that contains the building with the test room """ prj = Project() prj.name = "ASHRAE140Verification" bldg = Building(parent=prj) bldg.name = "TestBuilding" tz = ThermalZone(parent=bldg) tz.name = "TestRoom600" tz.area = 8.0 * 6.0 tz.volume = tz.area * 2.7 tz.use_conditions = UseConditions(parent=tz) tz.use_conditions.base_infiltration = 0.41 roof = Rooftop(parent=tz) roof.name = "Roof" roof.area = 8.0 * 6.0 roof.orientation = -1.0 roof.tilt = 0.0 roof.inner_convection = 1 roof.outer_convection = 24.67 roof.inner_radiation = 5.13 roof.outer_radiation = 4.63 layer_r1 = Layer(parent=roof, id=0) layer_r1.thickness = 0.01 material_r1 = Material(layer_r1) material_r1.name = "Plasterboard" material_r1.density = 950.0 material_r1.heat_capac = 840.0 / 1000 material_r1.thermal_conduc = 0.16 material_r1.ir_emissivity = 0.9 layer_r2 = Layer(parent=roof, id=1) layer_r2.thickness = 0.1118 material_r2 = Material(layer_r2) material_r2.name = "Fiberglass" material_r2.density = 12 material_r2.heat_capac = 840 / 1000 material_r2.thermal_conduc = 0.04 layer_r3 = Layer(parent=roof, id=2) layer_r3.thickness = 0.019 material_r3 = Material(layer_r3) material_r3.name = "Roofdeck" material_r3.density = 530 material_r3.heat_capac = 900 / 1000 material_r3.thermal_conduc = 0.14 material_r3.solar_absorp = 0.6 material_r3.ir_emissivity = 0.9 out_wall_north = OuterWall(parent=tz) out_wall_north.name = "OuterWallNorth" out_wall_north.area = 8.0 * 2.7 out_wall_north.orientation = 0.0 out_wall_north.tilt = 90.0 out_wall_north.inner_convection = 3.16 out_wall_north.outer_convection = 24.67 out_wall_north.inner_radiation = 5.13 out_wall_north.outer_radiation = 4.63 layer_own1 = Layer(parent=out_wall_north, id=0) layer_own1.thickness = 0.012 material_own1 = Material(layer_own1) material_own1.name = "Plasterboard" material_own1.density = 950.0 material_own1.heat_capac = 840.0 / 1000 material_own1.thermal_conduc = 0.16 material_own1.ir_emissivity = 0.9 layer_own2 = Layer(parent=out_wall_north, id=1) layer_own2.thickness = 0.066 material_own2 = Material(layer_own2) material_own2.name = "Fiberglass" material_own2.density = 12 material_own2.heat_capac = 840 / 1000 material_own2.thermal_conduc = 0.04 layer_own3 = Layer(parent=out_wall_north, id=2) layer_own3.thickness = 0.009 material_own3 = Material(layer_own3) material_own3.name = "WoodSiding" material_own3.density = 530 material_own3.heat_capac = 900 / 1000 material_own3.thermal_conduc = 0.14 material_own3.solar_absorp = 0.6 material_own3.ir_emissivity = 0.9 out_wall_east = OuterWall(parent=tz) out_wall_east.name = "OuterWallEast" out_wall_east.area = 6.0 * 2.7 out_wall_east.orientation = 90.0 out_wall_east.tilt = 90.0 out_wall_east.inner_convection = 3.16 out_wall_east.outer_convection = 24.67 out_wall_east.inner_radiation = 5.13 out_wall_east.outer_radiation = 4.63 layer_owe1 = Layer(parent=out_wall_east, id=0) layer_owe1.thickness = 0.012 material_owe1 = Material(layer_owe1) material_owe1.name = "Plasterboard" material_owe1.density = 950.0 material_owe1.heat_capac = 840.0 / 1000 material_owe1.thermal_conduc = 0.16 material_owe1.ir_emissivity = 0.9 layer_owe2 = Layer(parent=out_wall_east, id=1) layer_owe2.thickness = 0.066 material_owe2 = Material(layer_owe2) material_owe2.name = "Fiberglass" material_owe2.density = 12 material_owe2.heat_capac = 840 / 1000 material_owe2.thermal_conduc = 0.04 layer_owe3 = Layer(parent=out_wall_east, id=2) layer_owe3.thickness = 0.009 material_owe3 = Material(layer_owe3) material_owe3.name = "WoodSiding" material_owe3.density = 530 material_owe3.heat_capac = 900 / 1000 material_owe3.thermal_conduc = 0.14 material_owe3.solar_absorp = 0.6 material_owe3.ir_emissivity = 0.9 out_wall_south = OuterWall(parent=tz) out_wall_south.name = "OuterWallSouth" out_wall_south.area = (8.0 * 2.7) - 2 * (3 * 2) # minus two windows out_wall_south.orientation = 180.0 out_wall_south.tilt = 90.0 out_wall_south.inner_convection = 3.16 out_wall_south.outer_convection = 24.67 out_wall_south.inner_radiation = 5.13 out_wall_south.outer_radiation = 4.63 layer_ows1 = Layer(parent=out_wall_south, id=0) layer_ows1.thickness = 0.012 material_ows1 = Material(layer_ows1) material_ows1.name = "Plasterboard" material_ows1.density = 950.0 material_ows1.heat_capac = 840.0 / 1000 material_ows1.thermal_conduc = 0.16 material_ows1.ir_emissivity = 0.9 layer_ows2 = Layer(parent=out_wall_south, id=1) layer_ows2.thickness = 0.066 material_ows2 = Material(layer_ows2) material_ows2.name = "Fiberglass" material_ows2.density = 12 material_ows2.heat_capac = 840 / 1000 material_ows2.thermal_conduc = 0.04 layer_ows3 = Layer(parent=out_wall_south, id=2) layer_ows3.thickness = 0.009 material_ows3 = Material(layer_ows3) material_ows3.name = "WoodSiding" material_ows3.density = 530 material_ows3.heat_capac = 900 / 1000 material_ows3.thermal_conduc = 0.14 material_ows3.solar_absorp = 0.6 material_ows3.ir_emissivity = 0.9 out_wall_west = OuterWall(parent=tz) out_wall_west.name = "OuterWallWest" out_wall_west.area = 6 * 2.7 out_wall_west.orientation = 270.0 out_wall_west.tilt = 90.0 out_wall_west.inner_convection = 3.16 out_wall_west.outer_convection = 24.67 out_wall_west.inner_radiation = 5.13 out_wall_west.outer_radiation = 4.63 layer_oww1 = Layer(parent=out_wall_west, id=0) layer_oww1.thickness = 0.012 material_oww1 = Material(layer_oww1) material_oww1.name = "Plasterboard" material_oww1.density = 950.0 material_oww1.heat_capac = 840.0 / 1000 material_oww1.thermal_conduc = 0.16 material_oww1.ir_emissivity = 0.9 layer_oww2 = Layer(parent=out_wall_west, id=1) layer_oww2.thickness = 0.066 material_oww2 = Material(layer_oww2) material_oww2.name = "Fiberglass" material_oww2.density = 12 material_oww2.heat_capac = 840 / 1000 material_oww2.thermal_conduc = 0.04 layer_oww3 = Layer(parent=out_wall_west, id=2) layer_oww3.thickness = 0.009 material_oww3 = Material(layer_oww3) material_oww3.name = "WoodSiding" material_oww3.density = 530 material_oww3.heat_capac = 900 / 1000 material_oww3.thermal_conduc = 0.14 material_oww3.solar_absorp = 0.6 material_oww3.ir_emissivity = 0.9 in_wall_floor = Floor(parent=tz) in_wall_floor.name = "InnerWallFloor" in_wall_floor.area = 6 * 8 in_wall_floor.orientation = -2.0 in_wall_floor.tilt = 0.0 in_wall_floor.inner_convection = 4.13 in_wall_floor.inner_radiation = 5.13 layer_iwf1 = Layer(parent=in_wall_floor, id=0) layer_iwf1.thickness = 0.025 material_iwf1 = Material(layer_iwf1) material_iwf1.name = "TimberFlooring" material_iwf1.density = 650 material_iwf1.heat_capac = 1200 / 1000 material_iwf1.thermal_conduc = 0.14 material_iwf1.ir_emissivity = 0.9 layer_iwf2 = Layer(parent=in_wall_floor, id=1) layer_iwf2.thickness = 1.003 material_iwf2 = Material(layer_iwf2) material_iwf2.name = "Insulation" material_iwf2.density = 0.000000000001 # 0.0001, as small as possible material_iwf2.heat_capac = 0.000000000001 # 0.0001, as small as possible material_iwf2.thermal_conduc = 0.04 win_1 = Window(parent=tz) win_1.name = "WindowSouthLeft" win_1.area = 3 * 2 win_1.tilt = 90.0 win_1.orientation = 180.0 win_1.inner_convection = 3.16 win_1.inner_radiation = 5.13 win_1.outer_convection = 16.37 win_1.outer_radiation = 4.63 win_1.g_value = 0.789 win_1.a_conv = 0.03 # for the given U-value extracted from VDI 6007-2/-3 win_1_layer = Layer(parent=win_1) win_1_layer.id = 1 win_1_layer.thickness = 0.024 win_1_material = Material(win_1_layer) win_1_material.name = "GlasWindow" win_1_material.thermal_conduc = 0.15 win_1_material.transmittance = 0.907 win_1_material.ir_emissivity = 0.9 win_2 = Window(parent=tz) win_2.name = "WindowSouthRight" win_2.area = 3 * 2 win_2.tilt = 90.0 win_2.orientation = 180.0 win_2.inner_convection = 3.16 win_2.inner_radiation = 5.13 win_2.outer_convection = 16.37 win_2.outer_radiation = 4.63 win_2.g_value = 0.789 win_2.a_conv = 0.03 # for the given U-value extracted from VDI 6007-2/-3 win_2_layer = Layer(parent=win_2) win_2_layer.id = 1 win_2_layer.thickness = 0.024 win_2_material = Material(win_2_layer) win_2_material.name = "GlasWindow" win_2_material.thermal_conduc = 0.15 win_2_material.transmittance = 0.907 win_2_material.ir_emissivity = 0.9 # This is a dummy ground floor to export three and four elements models. # Please set values for floor plate in three element and four element # models to default. if number_of_elements >= 3: out_wall_gf = GroundFloor(parent=tz) out_wall_gf.name = "ExtWallGroundFloor" out_wall_gf.area = 6 * 8 out_wall_gf.orientation = -2.0 out_wall_gf.tilt = 0.0 out_wall_gf.inner_convection = 4.13 out_wall_gf.inner_radiation = 5.13 layer_ofgw1 = Layer(parent=out_wall_gf, id=0) layer_ofgw1.thickness = 1.003 material_ofgw1 = Material(layer_ofgw1) material_ofgw1.name = "Insulation" material_ofgw1.density = 0.0001 # as small as possible material_ofgw1.heat_capac = 0.0001 # as small as possible material_ofgw1.thermal_conduc = 0.04 if save: prj.save_project(file_name="ASHRAE140_600", path=path) return prj
if __name__ == "__main__": main() print("ASHRAE 600: That's it!")