Case | Permeance (vapour) | Infiltration rate | RH cycle delays to the ideal values at the void layers temperatures | RH interval (max/min) % in 1st cycle | ||||
---|---|---|---|---|---|---|---|---|
kg m−2 s−1 Pa−1 | nVol/h | Canvas | Cotton | Aluminium | Canvas | Cotton | Aluminium | |
1 | 1.00E−12 | 0.4 | 0 | 0 | 60/59 | 72/56 | ||
1.A | 1.00E−09 | 0.4 | 1/2 | 0 | 60/53 | 71/50 | ||
1.B | 1.00E−12 | 10 | 1/4 | 0 | 60/58 | 72/55 | ||
2 | 1.00E−12 | 0.4 | 1/2 | 1/4 | 0 | 65/52 | 59/58 | 60/56 |
2.A.1 | 1.00E−11 | 0.4 | 7/16 | 1/4 | 1/8 | 65/52 | 58/60 | 57/61 |
2.A.2 | 1.00E−10 | 0.4 | 7/16 | 1/4 | 1/8 | 65/52 | 58/58.5 | 56.5/60.5 |
2.A.3 | 1.00E−09 | 0.4 | 7/16 | 1/4 | 1/8 | 64/50 | 60/54 | 61/53 |
2.B | 1.00E−12 | 10 | 7/16 | 1/4 | 1/16 | 64/50.5 | 59/55.5 | 60/54.5 |
3 | 1.00E−12 | 0.4 | 3/16 | 7/16 | 61/59 | 72/50 | ||
3.A.1 | 1.00E−11 | 0.4 | 3/16 | 5/16 | 62/59 | 73/50 | ||
3.A.2 | 1.00E−10 | 0.4 | 3/16 | 5/16 | 65/68 | 74/52 | ||
3.A.3 | 1.00E−09 | 0.4 | 2/16 | 17/32 | 74/46 | 72/52 | ||
3.B | 1.00E−12 | 10 | 3/16 | 5/16 | 70/49 | 72/50 | ||
4 | 1.00E−12 | 0.4 | 1/4 | 1/4 | 1/2 | 66/61.5 | 66/61.5 | 75/54 |
4.A | 1.00E−09 | 0.4 | 1/8 | 1/8 | 3/8 | 67/52 | 67/52 | 70/53 |
4.B | 1.00E−12 | 10 | 3/16 | 3/16 | 7/16 | 65/57 | 65/57 | 72/52 |