Lateral ventilation helps if it’s a room visited by people, then those people leave and other enter in new fresh air. If it’s consistently packed room, one could argue draft would do more harm than good. Ventilation should be either downwards or upwards to really help with particles.
Like those smoking room in airports, if you have ever been there, the smell and smoke is noticeably reduced inside
Lateral ventilation helps if it’s a room visited by people, then those people leave and other enter in new fresh air. If it’s consistently packed room, one could argue draft would do more harm than good. Ventilation should be either downwards or upwards to really help with particles.
Like those smoking room in airports, if you have ever been there, the smell and smoke is noticeably reduced inside