Description of the project: "CAVITATION IS AN UNWISHED FENOMENA IN THE PUMP'S OPERATION. ANY POSSIBILITY THROUGH WHICH IT IS AVOIDED OR FORBIDDEN THE CAVITATION INCEPTION HAS A CONTRIBUTION TO ENHANCE AND TO OPTIMIZE THE CENTRIFUGAL PUMPS OPERATION. AFTER A INTRODUCTORY STUDY ABOUT THE OPPORTUNITY TO UTILIZE AN INDUCER FOR THIS PURPOSE THERE ARE DEDUCED THE DESIGN PARAMETERS. FROM TECHNOLOGICAL AND CONSTRUCTIVE POINT OF VIEW, WE CHOOSE A GIVEN KIND OF BLADES AND ESTABLISH THE DESIGN RELATIONS (FORMULA)"