HM 150.20 Operating Principle Of A Francis Turbine Didactic Equipment Vocational Education Equipment Fluid Mechanics Lab Equipment
Model of a reaction turbine with adjustable guide vanes; determination of the efficiency
Features
– model of a reaction turbine
– transparent operating area
– turbine with adjustable guide vanes
– loading by band brake
Learning objectives/experiments
– design and function of a Francis turbine
– determination of torque, power and efficiency
– graphical representation of characteristic curves for torque, power and efficiency
Specification
[1] function of a Francis turbine
[2] transparent front panel for observing the operating area
[3] loading the turbine by use of the band brake
[4] adjustable guide vanes for setting different angles of attack
[5] marking on brake drum for non-contact speed measurement
[6] instruments: spring balances for determining the torque, manometer shows pressure at turbine inlet
[7] flow determination by base module HM 150
[8] water supply using the base module HM 150 or via lab supply
Technical data
Turbine
– output: 12W at n=1100min-1, approx. 40L/min, H=8m
– rotor
— 7 blades
— blade width: 5mm
— external Ø: 50mm
– guide vanes
— 6 vanes, adjustable (20 stages)
Measuring ranges
– force: 2x 0…10N
– pressure: 0…1,0bar
LxWxH: 400x400x630mm
Weight: approx. 17kg