HM 291 Experiments With An Action Turbine Didactic Equipment Vocational Training Equipment Fluid Mechanics Lab Equipment
Record characteristics of an axial impulse turbine Features - illustrative model of an axial constant-pressure turbine - adjustable, wear-free eddy current brake as turbine load - software for data acquisition, visualisation and operation - part of theLabline fluid energy machines Learning objectives/experiments - principle of operation of an action turbine - characteristic curves at constant head -- relationship between torque and speed -- efficiency dependent on speed -- flow rate dependent on speed -- hydraulic power and mechanical power dependent on speed - evaluation of measuring values and characteristics based on the theory - partial load behaviour with controlling the number of nozzles in comparison to throttle control Specification [1] turbine to place upon the base unit HM 290 [2] functioning and operating behaviour of an action turbine [3] transparent housing for observing the rotor [4] distributor with 4 nozzles, active nozzles adjustable by valves [5] constant pressure of the turbine represents in practice the head and is adjusted via HM 290 [6] turbine load using the wear-free and adjustable eddy current brake [7] force sensor to determine the torque on turbine shaft [8] optical speed sensor for measuring the turbine speed [9] water supply, flow rate measurement and unit-specific software data acquisition and operation via HM 290 Technical data Turbine - power output: approx. 28W at 3600min-1 - rotor diameter: 50mm Measuring ranges - torque: 0...0,5Nm - speed: 0...9000min-1 LxWxH: 420x320x180mm Weight: approx. 7kg
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