PELTON TURBINE REDESIGN HNNUN 2014 smundur Jnsson Bragi Sigurkarlsson Eggert Sveinsson lfar Karl Arnrsson Instructor: Joe Foley TEAM MEMBERS smundur Jnsson Bragi Sigurkarlsson Eggert Sveinsson lfar Karl Arnrsson Yohann Pinson Grejoire Lecointe Jerome Delcambre Lemaire Marco Taken by: Joseph Foley The previous version of the Pelton turbine. Spills water all over the floor The table was too low Not properly attached to the table Has no flow meter The manometer leaks Too much frictions in the bearing No tachometer THE TABLE Terrible accuracy The turbine is not properly attached Not aesthetically pleasing Has only two wheels, is difficult to transport Table is too low to be operable Ugly as sin OUR DESIGN Higher table Flow meter Tachometer Smart relay Turbine and components are attached to the table Four wheels (not shown) Better piping Aesthetically pleasing THE TABLE Made from 25x25x2 mm square profiles Welded joints Four wheels which we stole from Jns coffee table Plywood and aluminum plates on top which are bolted THE FLOW METER Constant volume type Wheel which turns inside a housing Hall effect sensor to measure rotational speed of the wheel Unable to manufacture due to CNC failure THE TACHOMETER Hall effect sensor Zelio soft Smart Relay SMART RELAY HOUSING Made from 1 mm aluminum sheets Bolted with 4 mm bolts Attached to top of table with bolts Contains the smart relay and its adapter The user can read RPM and average RPM PIPING INLET New manometer which doesnt leak Better looking Properly attached to table BEARING FRICTION The friction in the bearing was caused by overtightning in the brake wheel. Saint-Venants principle was fulfilled in the spacing between the bearings. RISK ASSESSMENT Impact level acceptable No need for further actions due to safety