Propeller Turbine
Product Code : EL-FMLE-10679
QUICK ANSWER: The Propeller Turbine is a self-contained, small-scale hydropower unit that demonstrates the operating principles of an inward-flow reaction turbine similar to a Kaplan design but with fixed blades – a common turbine type that works best at high flow rates. Its runner is a propeller, similar to those used to push ships and submarines through water, and adjustable guide vanes control the water flow through the turbine and direct it at an angle onto the back of the propeller; a clear viewing window around the guide vanes and a clear acrylic draft tube let students watch the turbine and see how the guide vane setting affects its operation. A load cell and an optical sensor measure the braking force (and hence power) and the rotational speed respectively, while a magnetic brake unit controlled from a PC via a USB interface lets students determine the turbine's flow rate, head, torque, power output and efficiency characteristics against rotational speed, up to a maximum power of 55W, maximum torque of 0.60Nm and maximum speed of 3,500rpm.
The Propeller Turbine is an inward flow reaction turbine, similar to a Kaplan design but with fixed blades; it is a very common turbine and works best with high flow rates. Its moving part (runner) is a propeller, similar to those that push ships and submarines through water, and the turbine has adjustable guide vanes that control the water flow in the turbine and also direct the water at an angle to the back of the propeller. The turbine has a clear viewing window around the guide vanes and a clear draft tube so that students can see the turbine working and learn how the guide vane setting affects how the turbine works. The unit consists of a framework base, which houses a large water reservoir and a circulating pump, with a stainless steel top supporting the turbine itself and a dynamometer assembly; the propeller itself is housed in a clear acrylic pipe to enable maximum visibility of the workings. A load cell measures the braking force, and hence the power, and an optical sensor measures the rotational speed of the turbine.
FEATURES:
Self-contained, small-scale hydropower unit designed to demonstrate the operating principles of a propeller turbine
75l water reservoir
Circulating pump, which produces 14m head at 4.4 l/s
Loaded by a magnetic brake unit, which is controlled directly from a PC via a USB interface
Export of data to Microsoft Excel or other spreadsheet software
Electronic sensors monitor process variables
Determining the characteristics of a propeller turbine, including the relationships of volume flow rate, head, torque produced, power output and efficiency to rotational speed.
Supplied with full education software package including comprehensive results processing and help facilities
SPECIFICATION:
Maximum power: 55W
Maximum torque: 0.60Nm
Maximum speed: 3,500rpm
Power required: 230v, 1ph
DIMENSIONS AND WEIGHT:
L x W x H: 1000 x 800 x 1200 mm
Weight: 120kg
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