Research Article
Determining Infiltration Rates and Predicting Building Occupancy Using CO2 Concentration Curves
Table 1
Vacancy periods identified via CO2 analysis.
| Fit | TC (h) | Start (m-d hh:mm) | End (m-d hh:mm) | Low CO2 (ppm) | Wind (kmh) |
| 0.9811 | 6.0 | Jan-21 07:24 | Jan-21 16:43 | 466 | 15.2 | 0.9178 | 15.3 | Jan-23 05:10 | Jan-23 14:41 | 495 | 9.7 | 0.9460 | 7.6 | Jan-24 05:46 | Jan-24 13:16 | 479 | 9.0 | 0.9817 | 12.2 | Jan-26 22:55 | Jan-27 06:33 | 676 | 4.1 | 0.9614 | 7.8 | Jan-28 04:34 | Jan-28 13:52 | 493 | 9.7 | 0.9330 | 7.9 | Jan-29 04:27 | Jan-29 13:40 | 497 | 8.7 | 0.9593 | 9.9 | Jan-30 05:00 | Jan-30 14:23 | 531 | 3.0 | 0.9291 | 6.3 | Jan-31 02:40 | Jan-31 12:26 | 489 | 18.7 | 0.9586 | 7.0 | Feb-01 06:04 | Feb-01 15:29 | 502 | 15.6 | 0.9800 | 7.4 | Feb-03 21:13 | Feb-04 06:26 | 483 | 16.1 | 0.9804 | 7.1 | Feb-05 04:58 | Feb-05 13:59 | 470 | 15.9 | 0.9560 | 17.9 | Feb-06 06:47 | Feb-06 16:25 | 517 | 4.7 | 0.9473 | 13.6 | Feb-07 05:23 | Feb-07 14:27 | 527 | 3.1 | 0.9451 | 9.0 | Feb-07 19:38 | Feb-08 04:48 | 475 | 19.1 | 0.9617 | 3.4 | Feb-11 04:21 | Feb-11 13:54 | 432 | 8.5 | 0.9625 | 9.8 | Feb-12 06:06 | Feb-12 15:14 | 488 | 5.7 | 0.9341 | 8.6 | Feb-14 05:06 | Feb-14 13:43 | 470 | 12.4 | 0.9373 | 11.6 | Feb-15 04:34 | Feb-15 14:44 | 474 | 9.2 | 0.9460 | 06.7 | Feb-18 05:48 | Feb-18 15:10 | 452 | 11.6 | 0.9482 | 15.8 | Feb-21 02:50 | Feb-21 12:15 | 522 | 10.4 | 0.9631 | 13.2 | Feb-22 04:39 | Feb-22 14:29 | 498 | 4.5 | 0.9714 | 12.5 | Feb-25 06:42 | Feb-25 15:53 | 498 | 3.5 | 0.9532 | 09.6 | Feb-26 04:42 | Feb-26 13:49 | 471 | 5.5 | 0.9486 | 16.6 | Mar-05 02:46 | Mar-05 12:35 | 475 | 18.6 | 0.9795 | 12.7 | Mar-06 07:21 | Mar-06 16:24 | 456 | 5.9 | 0.9791 | 11.4 | Mar-07 05:51 | Mar-07 15:02 | 468 | 4.0 | 0.9336 | 31.5 | Mar-09 22:52 | Mar-10 09:25 | 568 | 10.1 |
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