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. The turbine has adjustable guide vanes that control the water flow in the turbine. They also direct the water at an angle to the back of the propeller. Students learn how the guide vane setting affects how the turbine works. The turbine has a clear viewing window around the guide vanes and a clear draft tube so that students can see the turbine working.
Consists of a framework base, which houses a large water reservoir and a circulating pump. A stainless steel top supports 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 measure the rotational speed of the turbine.
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