guidelines for efficiency scaling process of hydraulic turbomachines .This paper deals with pumps and turbines of radial to semi-axial flow (nq^ = 20÷70), as frequently used in water power and pump-storage plants. The described sealing process is based on previous publications [1, 2, 3] and is presented here in an abridged form in an easily intelligible way. To simplify practical application,.الهيدروليكي التحجيم محطم,Hydraulic press - WikipediaA hydraulic press is a device (see machine press) using a hydraulic cylinder to generate a compressive force. It uses the hydraulic equivalent of a mechanical lever, and was also known as a Bramah press after the inventor, Joseph Bramah, of England. He invented and was issued a patent on this press in 1795. As Bramah.
الهيدروليكي التحجيم محطم