In many arid regions, people use devices known as solar stills to extract drinkable water from seawater or tainted water. A new type of solar still is claimed to be much more effective than others, by ...

On 19 November 1924, a ship slowly manoeuvred through the Port of Kiel. On board were Ludwig Prandtl and Albert Betz from the Aerodynamic Research Institute (AVA) in Göttingen – a predecessor of today ...

Rotating-cylinder wing leading-edges that could enable very slow, low-noise descents will begin computational fluid dynamics studies this month. The rotating cylinder adds momentum to the boundary ...

We’ve reported on a lot of innovative diesel parts, concepts, and theories that have been introduced in the last decade, with various engine blocks, cylinder heads, turbochargers, and injection ...

Engineers in Japan have developed a new kind of wind turbine meant to withstand typhoon winds and rain without breaking down. Instead of using conventional blades, the turbine looks more like an egg ...

This is a preview. Log in through your library . Abstract An unique measurement method was developed for measurement of the piston outer surface during the engine operation. The method was realized by ...