Experiments With A Radial Fan
Categories: Engineering Lab EquipmentRadial fans are used to transport gases with non-excessive pressure differences. The medium is drawn in axially to the drive shaft of the radial fan and is deflected by 90° by the rotation of the roto...
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Description
Radial fans are used to transport gases with non-excessive pressure differences. The medium is drawn in axially to the drive shaft of the radial fan and is deflected by 90° by the rotation of the rotor and discharged radially.
The experimental unit provides the basic experiments to get to know the operating behaviour and the most important characteristic variables of radial fans.
It features a radial fan with variable speed via a frequency converter, an intake pipe and a delivery pipe. The transparent intake pipe is fitted with guide plates for flow guidance and with a flow straightener to calm the air. This enables precise measurements even with heavily reduced operation. The air flow is adjusted by a throttle valve at the end of the delivery pipe.
Learning Objectives/Experiments
Operating behaviour and characteristic variables of a radial fan
Recording the fan characteristic (pressure difference as a function of the flow rate)
Effect of the rotor speed on the pressure
Effect of the rotor speed on the flow rate
Effect of different blade shapes on the fan characteristic and efficiency
Determination of hydraulical power output and efficiencies
Features
2 interchangeable rotors
Transparent delivery pipe and intake pipe
Software for data acquisition, visualisation and operation
Part of the Labline fluid energy machines
Specification
Functioning and operating behaviour of a radial fan
Radial fan with 3-phase AC motor
Variable speed via frequency converter
Transparent intake and delivery pipes
Throttle valve to adjust the air flow in the delivery pipe
Interchangeable rotors: 1 rotor with forward curved blades and 1 rotor with backward curved blades
Determination of flow rate via intake nozzle
Display of differential pressure, flow rate, speed, electrical power consumption and hydraulical power output, temperature and efficiency
Due to integrated microprocessor-based instrumentation no additional devices with error-prone wiring are required
Display and evaluation of the measured values as well as operation of the unit via software
Technical data
Intake pipe
inner diameter: 90mm
length: 430mm
Delivery pipe
inner diameter: 100mm
length: 530mm
Radial fan
power consumption: 110W
nominal speed: 2800min-1
max. volumetric flow rate: 480m3/h
max. pressure difference: 300Pa
Measuring ranges
differential pressure: 0…1800Pa
flow rate: 0…1000m3/h
temperature: 0…100°C
speed: 0…3300min-1
el. power consumption: 0…250W
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
quick overview :
Radial fans are used to transport gases with non-excessive pressure differences. The medium is drawn in axially to the drive shaft of the radial fan and is deflected by 90° by the rotation of the rotor and discharged radially.
The experimental unit provides the basic experiments to get to know the operating behaviour and the most important characteristic variables of radial fans.
It features a radial fan with variable speed via a frequency converter, an intake pipe and a delivery pipe. The transparent intake pipe is fitted with guide plates for flow guidance and with a flow straightener to calm the air. This enables precise measurements even with heavily reduced operation. The air flow is adjusted by a throttle valve at the end of the delivery pipe.
Learning Objectives/Experiments
Operating behaviour and characteristic variables of a radial fan
Recording the fan characteristic (pressure difference as a function of the flow rate)
Effect of the rotor speed on the pressure
Effect of the rotor speed on the flow rate
Effect of different blade shapes on the fan characteristic and efficiency
Determination of hydraulical power output and efficiencies
Features
2 interchangeable rotors
Transparent delivery pipe and intake pipe
Software for data acquisition, visualisation and operation
Part of the Labline fluid energy machines
Specification
Functioning and operating behaviour of a radial fan
Radial fan with 3-phase AC motor
Variable speed via frequency converter
Transparent intake and delivery pipes
Throttle valve to adjust the air flow in the delivery pipe
Interchangeable rotors: 1 rotor with forward curved blades and 1 rotor with backward curved blades
Determination of flow rate via intake nozzle
Display of differential pressure, flow rate, speed, electrical power consumption and hydraulical power output, temperature and efficiency
Due to integrated microprocessor-based instrumentation no additional devices with error-prone wiring are required
Display and evaluation of the measured values as well as operation of the unit via software
Technical data
Intake pipe
inner diameter: 90mm
length: 430mm
Delivery pipe
inner diameter: 100mm
length: 530mm
Radial fan
power consumption: 110W
nominal speed: 2800min-1
max. volumetric flow rate: 480m3/h
max. pressure difference: 300Pa
Measuring ranges
differential pressure: 0…1800Pa
flow rate: 0…1000m3/h
temperature: 0…100°C
speed: 0…3300min-1
el. power consumption: 0…250W
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
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