Table 2 List of symbols used in the thermal model
Symbol | Description | Default | Unit |
|---|---|---|---|
ρ | Density of air | 1.204 | kg/m3 |
σ | Specific heat of air | 1.003 | kJ/(kg.K) |
τ | Sampling interval | − | s |
n z | Total number of VAV zones in a building | − | − |
\(n_{r}^{i}\) | Total number of rooms in VAV zone i | − | − |
Oij(t) | Occupancy in room j of zone i at time t | − | − |
Tij(t) | Temperature in room j of zone i at time t due to HVAC | − | ∘ C |
Tex(t) | External temperature at time t | − | ∘ C |
C ij | Thermal capacity of room j in zone i | 2000 | kJ/K |
\(\alpha _{ex}^{ij}\) | Heat transfer coefficient between outside and room j in zone i | 0.048 | kJ/(K.s) |
\(Q_{ap}^{ij}\) | Heat load due to heating/cooling equipments in room j of zone i | 0.1 | kW |
\(Q_{oc}^{ij}\) | Heat load due to occupant in room j of zone i | 0.1 | kW |