Assumed values for the SAP Algorithm (measured wind), SAP Algorithm (reference wind), SAP q50/20 (measured wind), SAP q50/20 (reference wind), and Sherman Simplified infiltration estimation methods
| Input | SAP Algorithm (meas. wind) | SAP Algorithm (ref. wind) | SAP q50/20 (meas. wind) | SAP q50/20 (ref. wind) | Sherman Simplified |
|---|---|---|---|---|---|
| Flow coefficient (C) | – | – | – | – | – |
| Flow exponent (n) | – | – | – | – | – |
| ELA | – | – | – | – | – |
| q50 | – | – | 14.67 | 14.67 | – |
| n50 | – | – | – | – | 15.31 |
| Storeys | 2 | 2 | 2 | 2 | 2 |
| Shelter class/shielding parameter | – | – | – | – | Well shielded |
| Flue | – | – | – | – | – |
| Terrain coefficient | – | – | – | – | – |
| Chimneys, fans, flues, PSVs | 0 | 0 | 0 | 0 | – |
| Sheltered sides | 2 | 2 | 2 | 2 | – |
| Structural infiltration | Masonry construction | Masonry construction | – | – | – |
| Floor infiltration | Unsealed suspended timber | Unsealed suspended timber | – | – | – |
| Draught lobby infiltration | Not present | Not present | – | – | – |
| Windows draught-proofed | 100% | 100% | – | – | – |
| Ventilation method | Nat vent | Nat vent | Nat vent | Nat vent | – |
| Leakiness/crack factor | – | – | – | – | Normal |
| Building volume | – | – | – | – | – |
| ΔT | – | – | – | – | M |
| Wind speed | M | R | M | R | M |
| Input | SAP Algorithm (meas. wind) | SAP Algorithm (ref. wind) | SAP | SAP | Sherman Simplified |
|---|---|---|---|---|---|
| Flow coefficient ( | – | – | – | – | – |
| Flow exponent ( | – | – | – | – | – |
| ELA | – | – | – | – | – |
| – | – | 14.67 | 14.67 | – | |
| – | – | – | – | 15.31 | |
| Storeys | 2 | 2 | 2 | 2 | 2 |
| Shelter class/shielding parameter | – | – | – | – | Well shielded |
| Flue | – | – | – | – | – |
| Terrain coefficient | – | – | – | – | – |
| Chimneys, fans, flues, PSVs | 0 | 0 | 0 | 0 | – |
| Sheltered sides | 2 | 2 | 2 | 2 | – |
| Structural infiltration | Masonry construction | Masonry construction | – | – | – |
| Floor infiltration | Unsealed suspended timber | Unsealed suspended timber | – | – | – |
| Draught lobby infiltration | Not present | Not present | – | – | – |
| Windows draught-proofed | 100% | 100% | – | – | – |
| Ventilation method | Nat vent | Nat vent | Nat vent | Nat vent | – |
| Leakiness/crack factor | – | – | – | – | Normal |
| Building volume | – | – | – | – | – |
| Δ | – | – | – | – | |
| Wind speed |
Note(s): The letter “M” denotes that the mean measured value for ΔT or wind speed was used (unique for all 15 tests). “R” denotes that a reference value for wind speed was used (subject to the month of the test)
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