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Experiments With A Radial Fan

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Experiments With A Radial Fan Specification

Voltage
220-240 V Volt (v)

Capacity
50 m3/h m3/hr

Feature
Highly Efficient

Accuracy
100 % %

Automation Grade
Manual

Temperature Range
Ambient Celsius (oC)

Model No

Frequency
50 Hz Hertz (HZ)

Power Source
Electric

Core Components
Radial Fan, Measuring Instruments, Chamber

Measurement Range
0-35 m3/h

Equipment Materials
Powder Coated Steel and Aluminium

Type
Radial Fan Airflow Experimental Setup

Usage
Laboratory

Display Type
Analog Gauges

Dimension (L*W*H)
1000 x 500 x 600 mm Millimeter (mm)

Weight
Approx. 35 kg Kilograms (kg)

About Experiments With A Radial Fan

EXPERIMENTS WITH A RADIAL FAN

Radial fans are used to transport gases with nonexcessive pressure differences.
The experimental unit HM 280 provides the basic experiments to get to know the operating behaviour and the important characteristic variables of radial fans. The software for data acquisition and visualisation makes the experiments especially clear and enables fast execution of experiments with reliable results.
The radial fan with flanged drive motor features free speed adjustament. The transparent intake and delivery pipes enable stable stationary flow conditions. The air flow is set by a throttle valve at the end of the pressure pipe. To demonstrate the effect of different blade shapes two impellers are included in the scope of delivery: one impeller with forward curved blades and one with rear curved blades. The impellers are easy to replace.
Using the software the differential pressure, flow rate, speed, power and temperature are displayed and characteristics recorded. The flow rate is determinated via measured differential pressure.
The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

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

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
Microprocessor-based measuring technique
Unit-specific software for data acquisition and operation via USB under Windows Vista or Windows 7

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

Displayed / measuring ranges

Differential pressure: 0...1800Pa
Flow rate: 0...1000m³/h
Temperature: 0...100°C
Speed: 0...3300min-1
Electrical power consumption: 0...250W

Dimensions and Weight

LxWxH: 670x340x970mm
Weight: approx. 23kg

Versatile Fluid Mechanics Laboratory Tool

Designed specifically for fluid mechanics experimentation, this radial fan setup is suited for bench-top installation. Its robust design and flexible testing capabilities, including airflow, pressure loss, and system curve analysis, make it an optimal choice for academic and research institutions. With highly efficient performance and premium safety standards, this equipment supports hands-on learning and detailed data analysis with both manual and digital capture methods.

Precision and Safety in Every Demonstration

With a motor power of 0.37 kW and an aluminium fan blade, the unit offers reliable and consistent performance. The built-in overload protection ensures safety during operations, while the powder-coated steel and aluminium construction provides longevity. Its analog gauges present measurement data clearly, supporting a measurement range up to 35 m3/h, ensuring experiments yield accurate and understandable results every time.

FAQs of Experiments With A Radial Fan:

Q: How is the airflow adjusted on the Radial Fan Experimental Setup?

A: The airflow is precisely controlled using the variable speed controller, allowing users to set the desired fan speed according to the requirements of each experiment. This enables accurate analysis of airflow, pressure loss, and system curves during laboratory demonstrations.

Q: What types of tests can be performed using this equipment?

A: This setup facilitates a variety of experiments, including airflow measurement, pressure loss determination, and system curve analysis, making it suitable for foundational and advanced fluid mechanics education and research.

Q: When should this equipment be used in a laboratory curriculum?

A: The radial fan experimental system is best utilized during fluid mechanics lab sessions, specifically when demonstrating concepts related to airflow dynamics, pressure differentials, and ventilation principles. Its demonstrations fit well in undergraduate and postgraduate engineering courses.

Q: Where can this radial fan experimental setup be installed?

A: This equipment is designed for bench-top installation, making it ideal for laboratories in universities, colleges, and technical institutes where space efficiency and accessibility are paramount.

Q: What is the process for collecting experimental data?

A: Users can acquire data either manually through reading the analog gauges or digitally with the compatible measurement system. The equipment covers a measurement range of 0-35 m3/h, ensuring comprehensive data for all relevant experiments.

Q: How does the overload protection system enhance user safety?

A: The built-in overload protection automatically disengages the fan in case of operational anomalies or excess load, safeguarding both users and the equipment during experiments.

Q: What are the benefits of using this experimental setup in the laboratory?

A: The radial fan setup offers high accuracy, efficient performance, and versatile application for fluid mechanics investigations. Its durable materials, user-friendly interface, and comprehensive safety features provide long-term value for teaching and research environments.

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