Two Stage Axial Fan Teaching Equipment Fluids Engineering Experiment Equipment

Two Stage Axial Fan Teaching Equipment Fluids Engineering Experiment Equipment

AFF066 Two Stage Axial Fan Teaching Equipment Fluids Engineering Experiment Equipment For Vocational Training Center, Technical Institution, Engineering University, TVET Schools.

Description

AFF066 Two Stage Axial Fan Teaching Equipment Fluids Engineering Experiment Equipment

Description

 two axial fans in series configuration or in individual operation

 threehole probe for determining pressure and velocity profile

Axial fans are connected in series in plants to increase the pressure. In theory, connecting two fans in series doubles the pressure increase.

The trainer includes a measuring section with two identical axial fans. The carefully designed nozzle contour and a flow straightener at the air inlet ensure a uniform velocity distribution with little turbulence in the measuring section.

The rotors are equipped with individually adjustable blades to change the angle of attack. The fans are equipped with outlet guide vane systems. These guide mechanisms redirect the angular momentum of the outflow in the axial direction and allow an increase in pressure. A pipe bend may optionally be installed to rotate the flow at the outlet of the measuring section. One of the fans can be removed from the measuring section so that the remaining fan can be studied in individual operation.

In the measuring section there are measuring connections to detect the differential pressures and temperatures.

The flow rate is measured via an inlet nozzle. The differential pressure and the angle of attack are detected radially at rotors and guide vane systems by means of the 3hole probe. This enables the display of different pressure and velocity profiles. The measured values are read from digital displays and can at the same time be transmitted via USB directly to a PC where they can be analysed using the software included.

Learning objectives/experiments

 determining the fan characteristic

 series configuration or individual operation of axial fans

 determining the energy balance

 determining the radial pressure and velocity distribution on rotor and guide vane system by means of a probe effect of the blade position

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