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HM 287 Experiments with an Axial Turbine
Education / GUNT Hamburg / Fluid Mechanics and Hydrology / Hydraulic Fluid Energy Machines /

The HM 287 axial turbine represents a model of a reaction stage as found in gas and steam turbines. The model can be completely independently operated, as it is provided complete with a supply tank, pipework, pump and instrumentation on a laboratory trolley. The flow rate in the closed water circuit is determined using a differential pressure measurement at a measuring orifice and can be adjusted using a valve. The moment present on the turbine shaft is measured using a dynamometric brake with an electronic force sensor. In addition, the turbine speed is measured using an inductive proximity switch. The software for data acquisition and visualisation makes the experiments especially clear and enables fast execution of experiments with reliable results.

Learning Objectives / Experiments
- determination of the power output
- determination of the efficiency
- preparation of the characteristic curve
- comparison of experiment and calculation

[1] axial turbine demonstration unit
[2] turbine complete with supply equipment and instrumentation
[3] turbine with transparent housing

[4] measurement of flow rate, pressure, rotational speed and load on the turbine shaft
[5] determination of flow rate using differential pressure measurement across a measuring orifice
[6] pipework and supply tank made of corrosions-resistant materials

[7] LabVIEW software for data acquisition via USB under Windows XP, Windows Vista or Windows 7


Technical Data

Axial turbine
- rating: approx. 200W at 4.000min-1
- rotor diameter: 50mm

- power consumption: 1,02kW
- max. flow rate: ca. 350L/min

- max. head: 14m

Measuring orifice
- diameter: 44mm

- sensor differential pressure: 0...0,1bar

- force sensor: 0...50N


Measuring ranges

- flow rate: 500L/min

- pressure: 0...5bar

- torque:

- speed:


Dimensions and Weight
Required for Operation
230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase
Scope of Delivery
1 experimental unit
1 LabVIEW software CD + USB cable
1 instruction manual
Order Details

070.28700  HM 287  Experiments with an Axial