Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the size of the conduit it ...

PACCAR has filed a patent for a variable geometry turbine (VGT) that includes an adjustable nozzle and a controller. The nozzle is calibrated during normal operation by adjusting it towards a closed ...

As the fire service has evolved, so have our tools to deliver the primary extinguishing agent, water, to the seat of the fire. What was once delivered with a smooth-bore nozzle can now be applied in ...