FM40Centrifugal Fan Demonstration Unit Didactic Equipment Vocational Training Equipment Fluid Mechanics Lab Equipment
DESCRIPTION The centrifugal fan is a radial flow machine which produces the necessary pressure to move gas by the centrifugal force built up inside the fan casing. The design of the fan blade has a primary influence on performance. These types of fans are usually employed for ventilating duties requiring a somewhat higher delivery pressure than that available from axial fans. A motor driven centrifugal fan mounted on a stainless steel plinth. Transparent air inlet and air outlet ducts enable the fan volute and the impellor to be clearly observed. A manually operated adjustable aperture allows the air flow rate to be varied at constant fan speed. A calibrated orifice plate is used on the discharge to measure the air flow rate. Interchangeable backward and forward-curved blade impellers are provided to facilitate direct comparison between their respective operating characteristics and to demonstrate to which duties each is best suited. Electronic sensors measure the pressure head developed across the fan, the pressure across the orifice plate (and hence the flow rate) and the air temperature.
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