The ETH Zurich student team’s H2-Sling aircraft, featuring a hydrogen fuel cell system with Type 4 carbon fiber tanks, awaits Swiss regulatory clearance for a maiden flight ahead of a planned crossing ...

The air enters the system through a filter housing, a Venturi tube and a flow straightener. Due to its high velocity, it is enriched with considerable kinetic energy in the impeller, which is ...

Impellers (also spelled impellors or impellars) are rotating devices designed to alter the flow and/or pressure of liquids, gases, and vapors. Impellers consist of various vanes — often blade-shaped — ...

Moving hydraulic fluid through a system requires either a pump or compressor. Both achieve this goal, but through different operating methods. Pumps have the ability to move liquids or gases.