has long been used for calculating the friction factor, f, for incompressible and some compressible flows in uniform pipes, ducts, and conduits. It is asymptotic to both the accepted smooth-surface ...

Sometimes you think you have a complete understanding of something and then BOOM—a simple problem throws everything out the window. Let's consider a very basic physics problem involving pushing a ...

Pneumatic cylinders and actuators are much like their hydraulic and electric counterparts: Their main task is to generate enough force to move a load from one point to another. But how much force is ...