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Products  |  Fluid Mechanics and Hydrology  |  Turbomachine Demonstrators  |  HM 288
HM 288 Radial-Flow Reaction Turbine Demonstrator Show data sheet (pdf file) Print page
Technical Description
Reaction turbine demonstration unit, designed for operation in conjunction with the HM 290 Turbine Service Unit. The turbine unit is placed on the Turbine Service Unit and supplied with water by the service unit. The turbine housing is made of Plexiglass so that the emerging water jet that drives rotor using the reaction principle can be observed unhindered. A braking device is fitted to the impeller shaft of the turbine, the braking device is in the form of a band brake using which the load and moment on the turbine shaft can be measured with an electronic dynamometer. A proximity switch measures the rotational speed of the turbine. The following accessories are required for operation: an Interface Module (HM 280.01), Data Acquisition Card with Software (HM 280.03) and Connecting Cables (HM 280.04). Using these accessories it is possible to take measurements, and process and store the measurements on a PC.
Learning Objectives / Experiments
· Determination of the power output
· Determination of the efficiency
· Preparation of the characteristic curve
· Comparison of experiment and calculation
Features
Demonstration model of a reaction turbine
Transparent turbine housing
Measured data acquisition using electronic sensors
Processing of measured data on a PC
Available accessories
HM 290 -- Turbine Demonstrator Supply Module
Alternative products
HM 272 -- Air-Operated Reaction Turbine
HM 287 -- Axial-Flow Reaction Turbine Demonstrator
HM 289 -- Pelton Turbine Demonstrator
HM 291 -- Axial- Flow Impulse Turbine Demonstrator
Specification
[1] Reaction turbine demonstration unit
[2] Water supplied to the turbine using the HM 290 Turbine Service Unit
[3] Electronic measurement of the moment on the turbine shaft using a band brake
[4] Electronic measurement of the turbine rotational speed with inductive proximity switch
[5] Transparent turbine housing
[6] Turbine approx. 50W, turbine rotor diameter 50mm
[7] Processing of measured data on a PC foreseen
Technical Data
Turbine
Rating: approx. 7W at 2500rpm
Rotor diameter: 50mm

Moment measurement
Measuring range: 0..0.5Nm

Speed measurement
Measuring range: 0..10000rpm
Dimensions and Weight
l x w x h: 450 x 300 x 200 mm
Weight : approx. 20 kg
Connections
Water supply from HM 290
Scope of Delivery
1 turbine, complete with connecting hose,
1 instruction manual
Order Details
070.28800 HM 288 Radial-Flow Reaction Turbine Unit/PC
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© 2005 G.U.N.T. Gerätebau GmbH