Search results
Results from the WOW.Com Content Network
A ducted propeller, also known as a Kort nozzle, is a marine propeller fitted with a non-rotating nozzle. It is used to improve the efficiency of the propeller and is especially used on heavily loaded propellers or propellers with limited diameter. It was developed first by Luigi Stipa (1931) and later by Ludwig Kort (1934). The Kort nozzle is ...
In aeronautics, a ducted fan is a thrust-generating mechanical fan or propeller mounted within a cylindrical duct or shroud. Other terms include ducted propeller or shrouded propeller . [ 1 ] When used in vertical takeoff and landing ( VTOL ) applications it is also known as a shrouded rotor .
Background music (British English: piped music) is a mode of musical performance in which the music is not intended to be a primary focus of potential listeners, but its content, character, and volume level are deliberately chosen to affect behavioral and emotional responses in humans such as concentration, relaxation, distraction, and excitement.
A rim-driven thruster integrates an electric motor into a ducted propeller. The cylindrical duct acts as the stator, while the tips of the blades act as the rotor. They typically provide high torque and operate at low RPMs, producing less noise. The system does not require a shaft, reducing weight.
The Star Screen Award Best Background Music is chosen by a panel of distinguished judges. Here is a list of the award winners and the films for which they won.
If you’re feeling hungover from New Year’s Eve champagne or had one too many boozy eggnogs over the holidays, let January be a fresh start.. Taking the challenge of going dry in January, or ...
Syria's Bashar al-Assad and his family have arrived in Russia and have been granted asylum by the Russian authorities, Russian news agencies reported on Sunday, citing a Kremlin source.
For roughly 80 years, she has coped with the aftermath of a polio infection, including the late effects of polio, called post-polio syndrome. She now needs a wheelchair or mobility scooter to get ...