Convective Air Flow from Heat Source
Convective air flows from typical heat sources like people, computers, radiators and more.
The table below indicates the convective heat flow generated by some common heat sources.
| Source | Convective Air Flow (liter/sec) | ||
|---|---|---|---|
| 1.1 m (3.5 ft) above floor | 1.8 m(6 ft) above floor | ||
| Room with height < 3 m |
People, sitting relaxed | 15 - 20 | 40 - 50 |
| People, sitting working | 15 - 20 | 40 - 50 | |
| People, standing working | 15 - 20 | 40 - 50 | |
| Fax | 15 - 20 | 30 - 40 | |
| Table lamp, fluorescent tube | 3 - 5 | 10 - 15 | |
| Table lamp, bulb | 10 - 15 | 25 - 30 | |
| PC | 15 - 20 | 40 - 50 | |
| Copy machine | 15 - 30 | 40 - 70 | |
| Window /m2 | 3 - 5 | 3 - 5 | |
| Radiator | 5 - 10 | 5 - 10 | |
| Room with height > 3 m |
People, sitting relaxed | 15 - 20 | 40 - 50 |
| People, sitting working | 15 - 20 | 40 - 50 | |
| People, standing working | 15 - 20 | 40 - 50 | |
| Over head projector | 20 - 30 | 60 - 70 | |
| TV and video | 20 - 30 | 50 - 60 | |
| Window /m2 | 3 - 5 | 3 - 5 | |
| Radiator | 5 - 10 | 5 - 10 | |
| Industry | People, moderate work | 40 - 50 | |
| People, heavy work | 40 - 50 | ||
| Welding machine | 100 - 150 | ||
