The “SUNLABTECH” experimental unit consists of the Pelton wheel, a needle nozzle used as distributor, a band brake for loading the turbine and a housing with a transparent front panel. The transparent cover enables to observe the water flow, the Pelton wheel and the nozzle during operation. Adjusting the nozzle needle modifies the nozzle cross-section and thus the flow rate.
Water turbines are turbo machines utilizing waterpower. The Pelton turbine is a type of impulse turbine; such turbines convert the pressure energy of water into kinetic energy entirely in the distributor. During the conversion, the water jet is accelerated in a nozzle and directed onto the blades of the Pelton wheel tangentially. The water jet is redirected by approximately 180° in the blades. The impulse of the water jet is transmitted to the Pelton wheel.
The turbine torque is determined by force measurement on a band brake and is read on spring balances. For measuring the rotational speed, a non-contact speed sensor, is required. A manometer shows the water pressure at the turbine inlet.
Output: 5W at 500min-1, approx. 30L/min, H=2m
Blade width: 33,5mm
External Ø: 132mm
Jet diameter: 10mm
Force: 2x 0…10N
DIMENSIONS AND WEIGHT
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