H19 - Experiment

PELTON TURBINE

PDF datasheet

A compact experiment for use with the Hydraulic Bench to demonstrate how a Pelton turbine works and to test its performance.

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PELTON TURBINE

Shows students how an impulse (Pelton) turbine works and tests its performance. The Pelton wheel is an important and efficient fluid power machine, used in many applications.
The unit consists of a Pelton wheel mounted in a corrosion-resistant enclosure. A transparent front panel allows students to see the turbine working. An optional Stroboscope (ST1, available separately) can ‘freeze’ the image of the turbine to help students better understand how it works.
An adjustable spear valve directs a jet of water through a nozzle to the buckets of the Pelton wheel to make it turn. Manual adjustment of the spear valve controls the water jet from the nozzle.
The turbine includes all pipes and fittings to connect it to TecQuipment’s Digital Hydraulic Bench (H1F, available separately). The hydraulic bench also measures flow rate. The Optical Tachometer (OT1, available separately) can measure the speed of rotation of the turbine.
A simple mechanical brake and spring balance assembly attached to the shaft of the Pelton wheel applies a variable mechanical load (torque). Students use this with the speed (from the optional tachometer) to find power absorbed by the turbine. A gauge measures inlet pressure.
Students adjust the spear valve and measure inlet pressure, flow rate and torque (and speed with the optional tachometer). They plot these values to find the turbine performance.

View the Digital Hydraulic Bench flyer here.

VIDEO
  • Performance charts of power, speed, torque and efficiency
  • The effect of spear valve position
Case Study
East Tennessee State University Expand Engineering Laboratory Facilities

East Tennessee State University, which has a history of teaching engineering technology dating back to the 1930s, made the decision to expand the course offering in 2015 to include a BSc in General Engineering which combines courses from mechanical, civil and electrical engineering. To teach the course they needed an engineering laboratory that had equipment to practically teach the principles of civil and mechanical engineering. There were existing electrical engineering laboratories, to serve the BSc, in the electrical engineering technology programme. After going out to bid, TecQuipment won, based on a balance between price and functionality of equipment.

Read the full Case Study here.

PELTON TURBINE
SUPPORTING PRODUCTS
H1F - Base Unit

A mobile self contained bench with recirculating water supply. It provides water at different flow rates direct to experiments and includes digital flow display for hydraulic and fluid mechanics experiments.

OT1 - Ancillary

A compact hand-held optical tachometer with a 5-digit high-brightness LED display and a speed range 3 to 99 999 RPM.

H8 - Experiment

A cylindrical tank for investigating the force generated by a jet striking plates (representing turbine vanes) to aid in the understanding of how turbines work.

MFP101B - Experiment

Pelton Wheel (turbine) for use with the MFP101 Centrifugal Pump Module.

ST1 - Ancillary

A highly accurate and portable stroboscope providing 30 to 300,000 flashes per minute (FPM).

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