AFF073 Experiments with an Action Turbine Educational Equipment Fluid Mechanics Experiment Equipment
Learning Objectives / Experiments
principle of operation of an action turbine
characteristic curves at constant height of fall
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
[2] functioning and operating behaviour of an action turbine
[3] transparent housing for observing the turbine impeller
[4] distributor with 4 nozzles, active nozzles adjustable by valves
[5] constant pressure of the turbine represents in practice the height difference and is adjusted
[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 unitspecific software data acquisition and operation Technical Data
Turbine
power output: approx. 28W at 3.600min
1 – rotor diameter: 50mm
Measuring ranges
torque: 0..0,5Nm
speed: 0…9.000min-1
Dimensions and Weight
LxWxH: 420x320x180mm
Weight: approx. 7kg