Centrifugal Blower Test Rig

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The apparatus consists of a spiral casing, which houses an impeller. Impeller is driven by a variable speed D.C. motor. Three, interchangeable impellers, viz. Radial forward and backward curved vanes are provided with the unit. Digital indicators are provided for speed of impeller. A venture provided measures the discharge. Thus, students can evaluate the performance of different impellers at various speeds.

  • Blower – Spiral casing with three interchangeable impellers viz. forward, backward and radial vanes.
  • Drive Motor-1 HP DC motor, 3000 RPM with Dimmer control to vary the speed from 300 to 3000 RPM.
  • Digital Speed indicator for speed measurement.
  • Ventura with water manometer to measure air flow.
  • Water manometer to measure discharge pressure.
  • Discharge pipe with flow control valve.
  • A technical manual accompanies the unit.
  • Services required:
    1. Floor space of about 2m X 1.5m X 1.5m height.
    2. 230 V. 5A., 50 Hz, AC Supply.
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