AFF070 Impulse Turbine Unit Teaching Equipment Fluid Mechanics Experiment Equipment
Function:
Laboratorysized Impulse Turbine unit
Determination of power as a function of volumetric flow rate, pressure and speed
Recording of torque characteristic
Determination of the turbine efficiency
Study of the influence of the air flow rate on the power
Study of the influence of the number of nozzle used
Cycle Plotting on diagram TS (entropie temperature)
Partial pressurization (nozzle group circuit)
Turbine:
Turbine single stage with axial flux ; Maximum speed: 35000tr/min; Max power: 45W
Injection nozzles: four nozzles with isolation valves.
Brake: brake with belt mounted on the shaft of the turbine. The cooling is assured by a compressed air supply
Torque meter: force sensor with strain gauge and indicator on the panel
Temperature: Measurement of the air inlet and outlet of the turbine by probe Pt 100 three wires
Air flowrate: float flowmeter with glass tube at the turbine outlet
Rotation speed: optical sensor with npn converter
Pressure manometer: manometer with bourdon tube scale of 1 to +1 bar
Safety valve: prevents the overpressures in the turbine
Filter regulator: purifies the compressed air supplying the machine and reduces the pressure
Needle: ensures the adjustment of the tension of the belt of the brake of the turbine
Compressed air supply: 68 bars (dry air)