SIA 2024 Room Reader

Icon	Name	ID	Category	Subcategory
	SIA 2024 Room Reader	Sia2024Reader	[hive]	Demand

Description

Reads room values and properties from a SIA 2024 Json

Inputs

Name	ID	Description	Type
Room Json	RoomJson	Room type according to sia2024. Should be a dictionary in json format containing all properties. Must comply to hive sia2024 json format	json
Room Area	Area	Room Area in m². If no input is given, default values are taken from SIA2024:2015 (Json dictionary of the parameter above).	float
Month	Month	Calculation month, 1 - 12	integer
Season	Season	Season, either 'winter' or 'summer'. Determines the room temperature setpoints of SIA 2024	string

Outputs

Name	ID	Description	Type
Time constant	τ [h]	Zeitkonstante des Gebäudes [h] - time constant, representing thermal latency of the zone	float
Temperature setpoint	θ_i [°C]	Raumlufttemperatur [°C] - temperature setpoint	float
Calculation period	t [h]	Länge der Berechnungsperiode [h] - calculation period, representing usage of zone	float
Opaque envelope area	A_op [m^2]	Aussenwandfläche (opak) [m^2] - oapque envelope surface area	float
Window area	A_w [m^2]	Fensterfläche [m^2] - window surface area	float
U value opaque	U_op [W/(m^2K)]	Wärmedurchgangskoeffizient Aussenwand [W/(m^2K)] - U value of opaque envelope surfaces	float
U value window	U_w [W/(m^2K)]	Wärmedurchgangskoeffizient Fenster [W/(m^2K)] - U value of windows	float
Volumetric air flow rate	V̇_e [m3/h]	Aussenluft-Volumenstrom [m^3/h] - exterior volumetric air flow rate	float
Infiltration	V̇_inf [m^3/h]	Aussenluft-Volumenstrom durch Infiltration [m^3/h] - volume air flow rate through infiltration	float
Heat recovery	η_rec [-]	Nutzungsgrad der Wärmerückgewinnung [-] - heat recovery	float
Occupation internal heat gains	φ_P [W]	Wärmeabgabe Personen [W] - internal heat gains from occupation	float
Lighting internal heat gains	φ_L [W]	Wärmeabgabe Beleuchtung [W] - internal heat gains from lighting	float
Equipment internal heat gains	φ_G [W]	Wärmeabgabe Geräte [W] - internal heat gains from equipment	float
Occupation load hours	t_P [h]	Vollaststunden Personen [h] - occupation load hours	float
Lighting load hours	t_L [h]	Vollaststunden Beleuchtung [h] - lighting load hours	float
Equipment load hours	t_A [h]	Vollaststunden Geräte [h] - equipment load hours	float
g Value	g [-]	g-Wert [-] - g-Value windows	float
g Value with sunscreen	g_total [-]	g-Wert total [-] - g-Value total of windows including sunscreen	float
Reduction factor of solar gains	f_sh [-]	Reduktionsfaktor solare Wärmeeinträge [-] - reduction factor of solar gains (proxy for e.g. obstructions)	float
Shading setpoint	G_T [W/m^2]	Strahlungsleistung fuer Betaetigung Sonnenschutz [W/m^2] - shading setpoint for activating the sunscreen	float