换气次数计算器 — 公式
## Air Changes per Hour (ACH)
ACH defines how many times the entire room volume of air is replaced per hour.
### Formula
**Airflow = Room Volume x ACH**
Required ACH depends on the room function. Adequate ventilation controls temperature, humidity, odours, and airborne contaminants.
ACH defines how many times the entire room volume of air is replaced per hour.
### Formula
**Airflow = Room Volume x ACH**
Required ACH depends on the room function. Adequate ventilation controls temperature, humidity, odours, and airborne contaminants.
计算示例
A 10m x 6m x 3m room requiring 6 air changes per hour.
- Volume = 10 x 6 x 3 = 180 m^3
- Airflow = 180 x 6 = 1080 m^3/h
- Airflow = 1080 / 3.6 = 300 L/s