Ventilation System

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Product Description

VENTILATION SYSTEM

In building services engineering ventilation systems are used for commercial premises, hospitals, restaurants or conference rooms to ensure the change of air exchange in the individual rooms. The air is heated or cooled by a heat exchanger.

Demonstrates the operation of a ventilation system and its components. The components used are common in commercial ventilation technology and therefore are of high practical relevance. The ventilation system is operated as a pure air supply

system.

The air enters via a weather louvre and flows through the components of the ventilation system, such as multi-leaf damper and filter. Dependent on the operating mode, heating or cooling, the aspirated air is then heated or cooled in a heat exchanger. The heat exchanger is supplied from the laboratory. A fan ensures the air transport. Further down the air duct, typical components,

such as sound insulation link, inspection flap, various air outlets and fire protection flap are arranged.

Sight windows enable an insight into the sound insulation link, filter and fan. The original component function remains intact.

The record of pressures and differential pressures at relevant measuring points enables the representation of a pressure curve for the whole system. The electric drive power of the fan and the volumetric air flow rate are calculated.

The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.

Learning Objectives / Experiments

Design and operation of a ventilation system
Pressure measurements in the air duct
Determine the electric drive power of the fan
Determine the flow rate
Design and operation of components such as
Protective grating
Multi-leaf damper
Filter
Heat exchanger as air heater/cooler
Fan
Inspection cover
Sound insulation link
Ventilation grill with adjustable flow rate
Fire protection flap
Ceiling vents

Specification

Operation of a ventilation system
All components from ventilation technology, some with sight windows
Protective grating and adjustable multi-leaf damper at the air inlet
Filter for air purification
Heat exchanger to heat/cool the air
Belt-driven radial fan
2 sound insulation links
Various air outlets for air distribution in the room: disc valve, ceiling vent and ventilation grill with adjustable flow rate
Inspection cover for inspection purposes
Fire protection flap prevents the cross-over of fire and smoke in the air duct
Air duct with pressure measurement connections
Pressure measurements with inclined tube manometer
Current measurement to determine the power consumption of the fan
Determine the flow rate via differential pressure