103 lines
3.5 KiB
Python
103 lines
3.5 KiB
Python
from coefficients import THERMAL_CONDUCTIVITY_HIGH as thermals
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from coefficients import RSI_HORIZONTAL, RSI_DOWNWARD, RSE, RSI_UPWARD
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from interfaces import LayeredSurface, FixedUSurface, MaterialLayer
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from ventilation import Room, RoomKind
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from report import report
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import sys
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if len(sys.argv) < 2:
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situation = "now"
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else:
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situation = sys.argv[1]
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# FIXME: Values are a bit coarse, but should be reasonably close to reality
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protected_volume = 480
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exterior_wall_area = 110
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window_area = 43
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floor_area = 63
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roof_area = 73
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area = exterior_wall_area + window_area + floor_area + roof_area
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average_window_u = 1.19
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rooms = [
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Room(RoomKind.OPEN_KITCHEN, 3.7 * 3),
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Room(RoomKind.TOILET, 0.9 * 1.5),
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Room(RoomKind.OTHER_WET, 1.8 * 3.0), # washing/storage room
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Room(RoomKind.OTHER_WET, 3.5 * 1.9), # bathroom
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Room(RoomKind.LIVING_ROOM, 9 * 3.75),
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Room(RoomKind.OTHER_DRY, 9 * 3.75 / 2), # big room 1
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Room(RoomKind.OTHER_DRY, 9 * 3.75 / 2), # big room 2
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Room(RoomKind.OTHER_DRY, 3.3 * 3), # small room
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]
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floor_layers = [
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MaterialLayer(thermals["pur"], 0.12),
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MaterialLayer(thermals["concrete"], 0.20),
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]
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roof_layers = [
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MaterialLayer(thermals["particle_board"], 0.01),
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MaterialLayer(thermals["mineral_wool"], 0.12),
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MaterialLayer(thermals["pir"], 0.06),
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]
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if situation == "now":
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wall_layers = [
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MaterialLayer(thermals["brick"], 0.11),
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MaterialLayer(thermals["mineral_wool"], 0.06),
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MaterialLayer(thermals["brick"], 0.11),
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]
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lump_sum_thermal_bridge = 0.20 # W/m^2K
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situation_dict = {
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"name": "now",
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"ventilation_rooms": [], # no active ventilation yet
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"ventilation_eta": 1.0,
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"ventilation_v50_area": area,
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"ventilation_v50_value": 4.0, # maybe 6.0
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"transmission_interfaces": [
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LayeredSurface(
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"exterior wall", exterior_wall_area, wall_layers, RSI_HORIZONTAL, RSE
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),
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LayeredSurface(
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"floor", floor_area, floor_layers, RSI_DOWNWARD, RSI_DOWNWARD, b=0.8
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),
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LayeredSurface("roof", roof_area, roof_layers, RSI_UPWARD, RSE),
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FixedUSurface("windows/doors", window_area, average_window_u),
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FixedUSurface("thermal bridge", area, lump_sum_thermal_bridge),
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],
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"environment_delta_t_worst": 20 - -8,
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"environment_delta_t_typical": 20 - 4,
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}
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elif situation == "future":
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wall_layers = [
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MaterialLayer(thermals["brick"], 0.11),
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MaterialLayer(thermals["mineral_wool"], 0.06),
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MaterialLayer(thermals["brick"], 0.11),
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MaterialLayer(thermals["pur"], 0.12),
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]
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lump_sum_thermal_bridge = 0.10 # W/m^2K
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situation_dict = {
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"name": "future",
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"ventilation_rooms": rooms,
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"ventilation_eta": 0.85,
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"ventilation_v50_area": area,
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"ventilation_v50_value": 2.0,
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"transmission_interfaces": [
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LayeredSurface(
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"exterior wall", exterior_wall_area, wall_layers, RSI_HORIZONTAL, RSE
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),
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LayeredSurface(
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"floor", floor_area, floor_layers, RSI_DOWNWARD, RSI_DOWNWARD, b=0.8
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),
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LayeredSurface("roof", roof_area, roof_layers, RSI_UPWARD, RSE),
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FixedUSurface("windows/doors", window_area, average_window_u),
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FixedUSurface("thermal bridge", area, lump_sum_thermal_bridge),
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],
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"environment_delta_t_worst": 20 - -8,
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"environment_delta_t_typical": 20 - 4,
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}
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else:
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raise ValueError("wrong situation")
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report(situation_dict)
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