The paper compares the performance of wind pumping systems (WPS) using centrifugal pumps, coupled by either mechanical or electrical drives. Mechanically driven systems are more appropriate for ...

HOMESTEAD (KDKA) - The site of the 1892 Battle of Homestead will now be powered almost entirely by wind. On Tuesday, local leaders dedicated a 40-foot wind turbine from the locally-owned "Windstax." ...