| Parameters |
Unit |
| ra density of air |
kg/m3 |
| Cpa specific heat of air |
kJ/(kg・˚C) |
| V volume of the zone |
m3 |
| Tz Temperature of the zone |
˚C |
| ma mass flow rate of the air stream |
kg/s |
| Ts supply temperature |
˚C |
| K heat transfer coefficient in the ambient |
W/(m2・˚C) |
| F contact area of the wall and zone |
m2 |
| To temperature outside |
˚C |
| q(t) heat gains from occupants, and light |
W |