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Convective air flows from some common heat sources - people, computers, radiators and more
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The below can used as an indication of the convective heat flow some common heat sources generates.
| Source |
Convective Air Flow
liter/sec |
||
| 1.1 m above floor | 1.8 m 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 | ||
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