essentially a big propeller on a stick. Some might also be familiar with vertical wind turbines, which can operate no matter which way the wind is blowing. In either case, they use some form of ...

The blades of propellers and wind turbines are designed based on aerodynamics principles that were first described mathematically more than a century ago. But engineers have long realized that ...

Although LEE is not a unique problem with wind turbine blades, they are in a rather unique position in that unlike propeller blades and turbine blades in industrial equipment or jet engines ...

The ship, Blue Wind, is actually one of the world’s largest wind turbine installation vessels ... revealing its massive screw propellers. According to Shimizu, crew members are receiving ...

In order to increase the use of wind energy, it is important to develop wind turbine rotor with high rotations rates and power coefficient. In this paper, a method for the determination of the ...

Indeximate has completed its first round of funding with a Seed investment from Boston-based Propeller Ventures. The funding will support key initiatives, including hiring for critical roles, ...

According to the company, the system is a white unit made from vertical airfoils which create a vacuum effect and draw wind behind an internal propeller ... micro wind turbines on structures ...

ISHIGAKI, Okinawa Prefecture--A bladeless wind turbine that can withstand the fiercest typhoon. The concept is a godsend to those who champion alternative sources of energy. An enterprising ...