When we hear the words “pitot tube,” we tend to think more of airplanes than of air ducts, but [Franci Kopač]’s guide to pitot tubes for makers shows that they can be a remarkably versatile tool for ...

Ludwig Prandtl, who is considered to be the father of modern aerodynamics, made a number of films for demonstration and illustration purposes in the 1920s and 1930s, while he was at the Kaiser Wilhelm ...

Everyone involved with IAQ knows about the 1970s, when excess energy use became Public Enemy No. 1 for commercial building designers. Saving energy was the critical goal: Air leaks were being hunted ...

Particle Image Velocimetry (PIV) is a non-intrusive optical technique that utilises tracer particles and high-speed imaging to capture and quantify fluid motion. By illuminating seeded particles in a ...