Room ventilating method for e.g. school, involves fixing air jet on ceiling surface by Coanda effect, sucking air by aspiration layer fixed to ground surface, and setting average blowing speed lower than average aspiration speed

摘要

The method involves blowing a previously processed primary air jet (19) into a room. The jet is attached on a surface of ceiling (20) by Coanda effect, according to blowing incidence direction. A foul aspirated air flow (21) is sucked at the level of ground by an aspiration layer attached to a surface of the ground by the effect. Average blowing speed is set to be lower than average aspiration speed. An independent claim is also included for an air-borne decontamination device of a room.