Air - Humidifying with Steam - Imperial Units
Estimate the amount of steam required (lb/h in 100 cfm) in humid air.
| Dry Temperature (oF) | Temperature (oC) | 100% | 85% | 80% | 75% | 70% | 65% | 60% | 55% | 50% | 45% | 40% | 35% | 30% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 90 | 32.2 | 12.8 | 10.9 | 10.3 | 9.6 | 9 | 8.3 | 7.7 | 7.1 | 6.4 | 5.8 | 5.1 | 4.5 | 3.9 |
| 88 | 31.1 | 12.1 | 10.3 | 9.7 | 9.1 | 8.5 | 7.9 | 7.3 | 6.6 | 6.1 | 5.4 | 4.8 | 4.2 | 3.6 |
| 86 | 30 | 11.4 | 9.7 | 9.1 | 8.5 | 8 | 7.4 | 6.9 | 6.3 | 5.7 | 5.1 | 4.6 | 4 | 3.4 |
| 85 | 29.4 | 11 | 9.4 | 8.8 | 8.3 | 7.7 | 7.2 | 6.6 | 6.1 | 5.5 | 5 | 4.4 | 3.9 | 3.3 |
| 84 | 28.9 | 10.7 | 9.1 | 8.5 | 8 | 7.5 | 7 | 6.4 | 5.9 | 5.3 | 4.8 | 4.3 | 3.7 | 3.2 |
| 83 | 28.3 | 10.4 | 8.8 | 8.3 | 7.8 | 7.3 | 6.7 | 6.2 | 5.7 | 5.2 | 4.7 | 4.2 | 3.6 | 3.1 |
| 82 | 27.8 | 10.1 | 8.6 | 8 | 7.6 | 7.1 | 6.5 | 6.1 | 5.5 | 5 | 4.5 | 4 | 3.5 | 3 |
| 81 | 27.2 | 9.8 | 8.3 | 7.8 | 7.3 | 6.8 | 6.4 | 5.9 | 5.4 | 4.9 | 4.4 | 3.9 | 3.4 | 2.9 |
| 80 | 26.7 | 9.5 | 8 | 7.6 | 7.1 | 6.7 | 6.2 | 5.7 | 5.2 | 4.7 | 4.3 | 3.8 | 3.3 | 2.8 |
| 79 | 26.1 | 9.2 | 7.8 | 7.3 | 6.9 | 6.4 | 6 | 5.5 | 5.1 | 4.6 | 4.1 | 3.7 | 3.2 | 2.7 |
| 78 | 25.6 | 8.9 | 7.6 | 7.1 | 6.7 | 6.2 | 5.8 | 5.3 | 4.9 | 4.4 | 4 | 3.6 | 3.1 | 2.7 |
| 77 | 25 | 8.6 | 7.3 | 6.9 | 6.5 | 6.1 | 5.6 | 5.2 | 4.7 | 4.3 | 3.9 | 3.5 | 3 | 2.6 |
| 76 | 24.4 | 8.4 | 7.1 | 6.7 | 6.3 | 5.9 | 5.5 | 5 | 4.6 | 4.2 | 3.8 | 3.4 | 2.9 | 2.5 |
| 75 | 23.9 | 8.1 | 6.9 | 6.5 | 6.1 | 5.7 | 5.3 | 4.9 | 4.5 | 4.1 | 3.6 | 3.2 | 2.8 | 2.4 |
| 74 | 23.3 | 7.9 | 6.7 | 6.3 | 5.9 | 5.5 | 5.1 | 4.7 | 4.3 | 3.9 | 3.5 | 3.1 | 2.7 | 2.4 |
| 73 | 22.8 | 7.6 | 6.5 | 6.1 | 5.7 | 5.3 | 4.9 | 4.6 | 4.1 | 3.8 | 3.4 | 3.1 | 2.7 | 2.3 |
| 72 | 22.2 | 7.4 | 6.3 | 5.9 | 5.5 | 5.2 | 4.8 | 4.4 | 4.1 | 3.7 | 3.3 | 2.9 | 2.6 | 2.2 |
| 71 | 21.7 | 7.1 | 6.1 | 5.7 | 5.3 | 5 | 4.6 | 4.3 | 3.9 | 3.6 | 3.2 | 2.9 | 2.5 | 2.1 |
| 70 | 21.1 | 6.9 | 5.9 | 5.5 | 5.4 | 4.8 | 4.5 | 4.1 | 3.8 | 3.5 | 3.1 | 2.8 | 2.4 | 2.1 |
| 69 | 20.6 | 6.7 | 5.7 | 5.4 | 5 | 4.7 | 4.4 | 4 | 3.7 | 3.4 | 3 | 2.7 | 2.4 | 2 |
| 68 | 20 | 6.5 | 5.5 | 5.2 | 4.9 | 4.5 | 4.2 | 3.9 | 3.5 | 3.2 | 2.9 | 2.6 | 2.3 | 1.9 |
| 67 | 19.4 | 6.2 | 5.3 | 5 | 4.7 | 4.4 | 4.1 | 3.7 | 3.4 | 3.1 | 2.8 | 2.5 | 2.2 | 1.9 |
| 66 | 18.9 | 6.1 | 5.2 | 4.9 | 4.5 | 4.2 | 3.9 | 3.6 | 3.3 | 3 | 2.7 | 2.4 | 2.1 | 1.8 |
| 65 | 18.3 | 5.9 | 5 | 4.7 | 4.4 | 4.1 | 3.8 | 3.5 | 3.2 | 2.9 | 2.6 | 2.3 | 2.1 | 1.8 |
| 60 | 15.6 | 5 | 4.2 | 4 | 3.7 | 3.5 | 3.2 | 3 | 2.7 | 2.5 | 2.2 | 2 | 1.7 | 1.5 |
| 55 | 12.8 | 4.2 | 3.6 | 3.4 | 3.1 | 2.9 | 2.7 | 2.5 | 2.3 | 2.1 | 1.9 | 1.7 | 1.5 | 1.3 |
| 50 | 10 | 3.5 | 3 | 2.8 | 2.6 | 2.5 | 2.3 | 2.11 | 1.9 | 1.8 | 1.6 | 1.4 | 1.2 | 1.1 |
| 45 | 7.2 | 2.9 | 2.5 | 2.4 | 2.2 | 2.1 | 1.9 | 1.8 | 1.6 | 1.5 | 1.3 | 1.2 | 1 | 0.89 |
| 40 | 4.4 | 2.5 | 2.1 | 2 | 1.8 | 1.7 | 1.6 | 1.5 | 1.3 | 1.2 | 1.1 | 1 | 0.86 | 0.74 |
| 30 | -1.1 | 1.7 | 1.4 | 1.3 | 1.2 | 1.2 | 1.1 | 1 | 0.92 | 0.83 | 0.75 | 0.67 | 0.58 | 0.5 |
| 20 | -6.7 | 1.1 | 0.91 | 0.85 | 0.8 | 0.75 | 0.7 | 0.64 | 0.59 | 0.53 | 0.48 | 0.43 | 0.37 | 0.32 |
| 10 | -12.2 | 0.67 | 0.56 | 0.53 | 0.5 | 0.47 | 0.43 | 0.4 | 0.37 | 0.33 | 0.3 | 0.26 | 0.23 | 0.2 |
| 0 | -17.8 | 0.41 | 0.35 | 0.32 | 0.31 | 0.29 | 0.26 | 0.25 | 0.22 | 0.2 | 0.19 | 0.16 | 0.13 | 0.12 |
| -10 | -23.3 | 0.25 | 0.21 | 0.2 | 0.19 | 0.17 | 0.16 | 0.15 | 0.14 | 0.12 | 0.11 | 0.1 | 0.08 | 0.08 |
| -20 | -28.9 | 0.14 | 0.12 | 0.11 | 0.11 | 0.1 | 0.1 | 0.08 | 0.08 | 0.72 | 0.06 | 0.05 | 0.05 | 0.04 |