Key Features

• Real-Time Visualization
  Transparent casing allows clear observation of the Pelton wheel and spear nozzle during operation.
• Adjustable Nozzle System
  Variable nozzle cross-sections using a movable spear enable detailed study of flow control and jet behavior.
• Constant Head Operation
  The system simulates real-world conditions by maintaining constant pressure (head) via a compatible base unit.
• Performance Analysis Capabilities
  Enables measurement and evaluation of:
  • Torque vs. speed relationship
  • Efficiency variation with speed
  • Flow rate changes with speed
  • Hydraulic and mechanical power output
• Flexible Load Control (Optional)
  Compatible with a wear-free eddy current brake for precise and adjustable turbine loading.
• Sensor Integration (Optional)
  • Force sensor for torque measurement
  • Optical sensor for speed measurement

Educational Experiments

This unit supports a wide range of practical experiments, including:

• Understanding the principle of Pelton turbine operation
• Studying characteristic curves at constant head
• Analyzing:
  • Torque vs. rotational speed
  • Efficiency vs. speed
  • Flow rate vs. speed
  • Power output vs. speed
• Comparing partial load behavior using:
  • Needle (spear) control
  • Throttle control
• Validating experimental results against theoretical calculations

Technical Specifications

Pelton Turbine:

• Maximum Power Output: ~30 W
• Maximum Speed: ~1800 RPM (operational), up to 4000 RPM (measurement range)
• Maximum Torque: ~0.3 Nm
• Wheel Diameter: 150 mm
• Number of Buckets: 16

Measurement Range:

• Pressure (Manometer): 0 – 4 bar

Software (Optional)

The optional data acquisition software is developed in a LabVIEW-based environment and provides:

• Real-time data acquisition and monitoring
• Automated calculations and data processing
• Graphical visualization of performance curves
• Export of complete experimental data in CSV format
• Generation of structured reports with tables and graphs

System Requirements

• Hydraulic bench (closed-loop system) or laboratory water supply

Scope of Delivery

• 1 × Experimental unit
• 1 × Instruction manual
• 2 × Force balance units
• 1 × Tachometer
• 1 × Stopwatch

Applications

• Engineering education (mechanical, hydraulic, and energy systems)
• Technical training institutes
• Laboratory demonstrations and research