Air Duct Systems

Categories: Engineering Lab Equipment

Ventilation systems are used in many areas. They are used to ventilate offices, sports halls, production halls, conference halls etc. These systems consist of an air duct system and often other facili...


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Ventilation systems are used in many areas. They are used to ventilate offices, sports halls, production halls, conference halls etc. These systems consist of an air duct system and often other facilities for the conditioning of room air. There may also be elements for air purification or sound insulation, e.g. filters.

The trainer examines how the air can be distributed in a building. The air duct system is supplied via a speed-controlled fan. The trainee constructs variable air duct systems from commercial components, such as pipes, pipe bends, branches, filters and disk valves. Connections for pressure measurements can be installed at any position.

The effects of the individual components on the pressure loss and thus on the velocity and flow rate of the air are examined. For this purpose there are two manometers with different measuring ranges and a manual device for measuring the air velocity. The fan characteristic is also determined and the power consumption of the fan is measured.


Learning Objectives/Experiments


Plan, setup and test air duct systems

Typical components of ventilation technology

Measure the flow rate and velocity of the air

Measure dynamic and static pressures

Determination of the pressure loss via different components: pipe bends, angles, distributors etc.

Recording of system characteristics

Recording of the fan characteristic

Determination of the operating point

Calculate the electric capacity of the fan motor with regard to current and voltage

Calculate the fan efficiency


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quick overview :

Ventilation systems are used in many areas. They are used to ventilate offices, sports halls, production halls, conference halls etc. These systems consist of an air duct system and often other facilities for the conditioning of room air. There may also be elements for air purification or sound insulation, e.g. filters.

The trainer examines how the air can be distributed in a building. The air duct system is supplied via a speed-controlled fan. The trainee constructs variable air duct systems from commercial components, such as pipes, pipe bends, branches, filters and disk valves. Connections for pressure measurements can be installed at any position.

The effects of the individual components on the pressure loss and thus on the velocity and flow rate of the air are examined. For this purpose there are two manometers with different measuring ranges and a manual device for measuring the air velocity. The fan characteristic is also determined and the power consumption of the fan is measured.


Learning Objectives/Experiments


Plan, setup and test air duct systems

Typical components of ventilation technology

Measure the flow rate and velocity of the air

Measure dynamic and static pressures

Determination of the pressure loss via different components: pipe bends, angles, distributors etc.

Recording of system characteristics

Recording of the fan characteristic

Determination of the operating point

Calculate the electric capacity of the fan motor with regard to current and voltage

Calculate the fan efficiency

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