In normal condition, airside should not have dirt.
在正常情况下，气侧应没有污垢。
2
The boundary on the cold airside is often ill-defined, especially near the surface.
冷空气一侧的边界常常十分模糊，特别是在地表附近。
3
Simulates the thermodynamic characteristic of the airside heat exchanger of an air source heat pump under different air temperature and relative humidity.