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Replacing inside and outside temperature by piecewise constant functions, in WindowOpening class (models.py)

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Nicolas Mounet 2020-11-04 22:54:51 +01:00
parent b070bb2899
commit d1246c463e
1 changed files with 4 additions and 3 deletions
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cara/models.py
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@ -174,8 +174,8 @@ class WindowOpening(Ventilation):
#: The interval in which the window is open.
active: Interval
inside_temp: float #: The temperature inside the room (Kelvin)
outside_temp: float #: The temperature outside of the window (Kelvin)
inside_temp: PiecewiseconstantFunction #: The temperature inside the room (Kelvin)
outside_temp: PiecewiseconstantFunction #: The temperature outside of the window (Kelvin)
window_height: float #: The height of the window
@ -190,7 +190,8 @@ class WindowOpening(Ventilation):
# Reminder, no dependence on time in the resulting calculation.
temp_delta = abs(self.inside_temp - self.outside_temp) / self.outside_temp
temp_delta = abs(self.inside_temp.value(time) -
self.outside_temp.value(time)) / self.outside_temp.value(time)
root = np.sqrt(9.81 * self.window_height * temp_delta)
return (3600 / (3 * room.volume)) * self.cd_b * self.window_height * self.opening_length * root