Model of an impulse turbine with speed and torque measurement Features - Pelton turbine with visible operating area - closed water circuit and data processing software for use with the HM 450C trainer Learning objectives/experiments - determination of mechanical output - determination of efficiency - recording of characteristic curves - investigation of the influence of the nozzle cross-section on the power output Specification [1] recording the curves of a Pelton turbine and investigating the influence of the nozzle cross-section [2] transparent front panel for observing the operating area [3] adjustable nozzle needle for setting different nozzle cross-sections [4] loading the turbine by use of the adjustable band brake [5] non-contact speed measurement at the turbine shaft and force sensor at the brake for measuring the torque [6] pressure sensor at the turbine inlet [7] speed, torque and pressure displayed on the switch cabinet of HM 450C [8] water supply, flow rate measurement and data processing software via HM 450C Technical data Turbine - output: approx. 350W at 1000min -1, 150L/min, H=20m - max. speed: 1500min-1 - Pelton wheel -- 14 blades -- medium diameter: 165mm Measuring ranges - torque: 0...9,81Nm - pressure: 0...4bar abs. - speed: 0...4000min-1 LxWxH: 600x490x410mm Weight: approx. 27kg
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