VDAS MFP106 - Experiment


Allows students to study and perform tests on a centrifugal fan with various impellers to understand how it works and calculate its performance.

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For use with the Universal Dynamometer (MFP100), the Centrifugal Fan Module is part of TecQuipment’s Modular Fluid Power range. This range examines and explains fluid power machines. The Centrifugal Fan Module is ideal for student experiments, demonstrations and projects. Centrifugal fans are common machines, used for ventilation or any application that needs a good volume of air at a reasonable pressure.

The module consists of a fan and instrumentation, all mounted on a robust, mobile trolley for ease of use. The module is for use with and driven by TecQuipment’s Universal Dynamometer (refer to MFP100 datasheet). The Universal Dynamometer measures the speed, torque and power absorbed by the fan. Speed is fully variable up to the maximum allowable for the fan. Air enters the fan through a shaped nozzle, used to measure the airflow rate. The air then moves past a slide-valve and out to atmosphere. The slide-valve controls the airflow rate (and therefore delivery pressure).

The fan impeller (moving part) is interchangeable. Supplied with the fan are three different impellers for more tests on fan performance. The fan housing has an interlock so the MFP100 motor cannot run unless the user assembles the fan correctly. This allows the user to safely change fan impellers.

Electronic transducers measure the inlet pressure, delivery pressure, nozzle differential pressure (flow rate) and the atmospheric (barometric) pressure. Digital displays show all the readings.

An optional Pipe Flow and Nozzle Kit (MFP106a) connects to the inlet of the fan for additional experiments in losses in pipes and fittings.

For quick and reliable tests, TecQuipment can supply the optional VDAS® (Versatile Data Acquisition System). VDAS® gives accurate real-time data capture, monitoring and display, calculation and charting of all the important readings on a computer.

Learning outcomes

  • Performance of a centrifugal fan
  • Variation of fan performance with speed
  • Variation of fan performance with type of impeller
  • Non-dimensional performance curves
  • Determination of the specific speed of the fan
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Essential Base Units
Recommended Ancillaries


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