Summer comfort in educational establishments: ceiling fans to the rescue? Our collective memory reminds us that summer holidays were intended to allow children to help their parents with the harvest. This was still the case at the beginning of the 20th century: under...
Minimum height under blades: what are the safety rules? Ceiling fans are high-speed devices. Let’s take the case of a common blade fan[1]. Its rotation speed often exceeds 200 rpm. That’s 50 km/h at the tip of the blades! Without seeking to caricature the...
Air movers and air conditioning: a marriage of convenience? It’s summer, and in this season, a little thermal comfort is welcome. This is when the question of the coupling between air circulation and air conditioning comes up. Of course, there is a real physical...