A decade-old static pressure diagram sent the wrong message, and it took a sharp-eyed contractor to catch it. Here’s a ...

HIDE AND SEEK: By measuring duct pressure every 4 feet or so, you can discover hidden airflow restrictions, such as loose duct liner. March 6, 2017 Deer season has come and gone here in Central ...

I need to dramatically increase airflow in my Node 304. I'm looking for a very high RPM fan, but more importantly, it needs a lot of static pressure. The reason is it needs to force air in through a ...

Marked departures from inviscid flow were found when swirling water was discharged downwards under pressure through a Perspex conical nozzle. A boundary layer of forced vortex motion formed on the ...