.AixLib.Airflow.WindowVentilation.EmpiricalExpressions .AixLib.Airflow.WindowVentilation.EmpiricalExpressionsThis package contains different empirical expressions to estimate the air flow rate by single-sided window ventilation.
The table below presents the applicable use cases for each expression.
Model |
Simple opening |
Side-hung opening |
Top- and Bottom-hung opening |
Pivot opening |
Sliding opening |
Gids and Phaff (1982) |
Y |
? |
? |
? |
? |
Warren and Parkins (1984) |
Y |
? |
? |
? |
? |
Maas (1995) |
N |
Y |
Y |
N |
N |
Hall (2004) |
N |
N |
Only bottom-hung, inward |
N |
N |
Larsen and Heiselberg (2008) |
Y |
? |
? |
? |
? |
ASHRAE (2009) |
Y |
? |
? |
? |
? |
Caciolo et al. (2013) |
Y |
? |
? |
? |
? |
VDI 2078 (2015) |
Y |
N |
Only bottom-hung, inward |
N |
N |
Tang et al. (2016) |
Y |
? |
? |
? |
? |
DIN EN 16798-7 (2017) |
Y |
N |
Y |
N |
Y |
Jiang et al. (2022) |
N |
N |
Only bottom-hung, inward |
N |
N |
DIN/TS 4108-8 (2022) |
Y |
Y |
Y |
Y |
Y |
| Name | Description |
|---|---|
 ASHRAE | Empirical expression according to ASHRAE handbook (2009) |
 Caciolo | Empirical expression developed by Caciolo et al. (2013) |
 DIN16798 | Empirical expression according to DIN EN 16798-7 (2017) |
 DIN4108 | Empirical expression according to DIN/TS 4108-8 (2022) |
 GidsPhaff | Empirical expression developed by de Gids and Phaff (1982) |
 Hall | Empirical expression developed by Hall (2004) |
 Jiang | Empirical expression developed by Jiang et al. (2022) |
 LarsenHeiselberg | Empirical expression developed by Larsen and Heiselberg (2008) |
 Maas | Empirical expression developed by Maas (1995) |
 Tang | Empirical expression developed by Tang et al. (2016) |
 VDI2078 | Empirical expression according to VDI 2078 (2015) |
 WarrenParkins | Empirical expression developed by Warren and Parkins (1984) |