HM 365.31 Pelton And Francis Turbine Didactic Equipment Vocational Training Equipment Fluid Mechanics Lab Equipment
Comparison of impulse and reaction turbines
Features
– comparison of impulse and reaction turbines
– constant speeds and torques can be adjusted in combination with HM 365
– part of the FEMLine
Learning objectives/experiments
– in combination with HM 365 and HM 365.32
— comparison of impulse and reaction turbines
— determination of the mechanical and hydraulic power
— determination of the efficiency
— recording of characteristic curves
— influence of the nozzle cross-section of the Pelton turbine on the characteristics
— influence of the guide vane position of the Francis turbine on the characteristics
Specification
[1] comparison of a Pelton turbine as impulse turbine and a Francis turbine as reaction turbine
[2] operation by use of the HM 365.32 Turbine supply unit
[3] turbine load by use of the HM 365 Universal brake and drive unit
[4] constant torques and speeds can be adjusted with HM 365
[5] transparent front panel in the turbines for observing the operating area
[6] adjustable nozzle needle for setting different nozzle cross-sections (Pelton turbine)
[7] adjustable guide vanes for setting different angles of incidence (Francis turbine)
[8] pressure sensor at the Francis turbine for measuring the pressure at the turbine outlet
[9] digital display for flow rate, pressure and temperature in HM 365.32
[10] braking torque and speed measured in HM 365
Technical data
Transmission ratio between brake and turbine: 1,44:1
Pelton turbine
– output: 1,5kW at 2750min-1 at 6,5bar
– wheel diameter: 165mm
– variable nozzle setting
Francis turbine
– output: 1kW at 3500min-1 and 4,2bar
– rotor diameter: 80mm
– variable guide vane setting
Measuring ranges
– pressure (outlet): 0…1,6bar
LxWxH: 590x370x490mm (Pelton turbine)
Weight: approx. 25kg
LxWxH: 560x510x400mm (Francis turbine)
Weight: approx. 50kg