29 lines
789 B
Python
29 lines
789 B
Python
# Thermal conductivity λ in W/(m·K) (min, max)
|
|
THERMAL_CONDUCTIVITY = {
|
|
"brick": (0.22, 0.81),
|
|
"concrete": (1.3, 1.3),
|
|
"reinforced_concrete": (1.7, 1.7),
|
|
"plaster": (0.52, 0.52),
|
|
"pir": (0.021, 0.026),
|
|
"pur": (0.022, 0.028),
|
|
"xps": (0.028, 0.044),
|
|
"mineral_wool": (0.031, 0.044),
|
|
"particle_board": (0.07, 0.18),
|
|
"osb": (0.13, 0.13),
|
|
}
|
|
|
|
THERMAL_CONDUCTIVITY_LOW = {k: v[0] for k, v in THERMAL_CONDUCTIVITY.items()}
|
|
THERMAL_CONDUCTIVITY_HIGH = {k: v[1] for k, v in THERMAL_CONDUCTIVITY.items()}
|
|
|
|
|
|
# Surface resistances in m²K/W
|
|
RSI_HORIZONTAL = 0.13
|
|
RSI_UPWARD = 0.10
|
|
RSI_DOWNWARD = 0.17
|
|
RSE = 0.04
|
|
|
|
# Air properties
|
|
RHO_AIR = 1.2 # kg/m³
|
|
CP_AIR = 1005 # J/(kg·K)
|
|
RHO_CP_AIR = RHO_AIR * CP_AIR # J/(m³·K), volumetric heat capacity
|