Pelton Turbine Test Rig

Standard :

Model No. : HI MTM-012
The HANSA designed and developed experimental unit consists of the Pelton wheel, a needle nozzle used as a distributor, a band brake for loading the turbine, and a housing with a transparent front panel. The transparent cover enables to the observation of the water flow, the Pelton wheel, and the nozzle during operation. The nozzle cross-section and thus the flow rate is modified by adjusting the nozzle needle.

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.


Description

The HANSA designed and developed experimental unit consists of the Pelton wheel, a needle nozzle used as a distributor, a band brake for loading the turbine, and a housing with a transparent front panel. The transparent cover enables the observation of the water flow, the Pelton wheel, and the nozzle during operation. The nozzle cross-section and thus the flow rate is modified by adjusting the nozzle needle.

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.

The water jet is accelerated in a nozzle and hits the Pelton wheel tangentially. In the blades on the circumference of the Pelton wheel, the water jet is deflected by approximately 180?. The impulse of the water jet is transmitted to the Pelton wheel.

This accessory comprises a miniature Pelton wheel with spear-valve arrangement mounted on a support frame, which fits onto the Hydraulics Benchtop channel. Mechanical output from the turbine is absorbed using a simple friction dynamometer.

Basic principles of the Pelton turbine may be demonstrated and, with appropriate measurements, power produced and efficiency may be determined.

Pelton turbine
Speed range: 0-2000 rpm

Brake power: 10W

Pressure gauge range: 0-25m H2O
Force balance range: 0-20N x 0.2N
Number of Pelton buckets: 16
Diameter of Pelton wheel: 123mm
Power required: 230v, 50hz, 1ph

DIMENSIONS AND WEIGHT:

LxWxH: 1000x800x1200mm
Weight: approx. 90 kg

Turbine to place upon the hydraulic bench top service unit
Illustrative model of a Pelton turbine
Turbine wheel inside cast housing with acrylic panel to enable viewing
Mechanical torque measured using dynamometer with spring balances
Manometer shows pressure at turbine inlet
Evaluation of measuring values and characteristics based on the theory
Quick-release fitting for easy connection to Hydraulics Bench
Educational software available as an option

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