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What is the resistance of fiber fabric ducts?

2024-07-30

Fiber fabric ducts have a relatively low resistance with the following characteristics:

1. Material Characteristics

  • The fiber fabric itself is a softer material, and the air encounters relatively less resistance as it passes through.

2. Surface smoothness

  • Usually has a smoother inner surface, which reduces the frictional resistance of air flow.

3. Unique structural design

  • The structure can make the air flow more smoothly in the duct and reduce the local resistance.

4. Uniform Air Supply Characteristics

  • Because of the ability to achieve a more uniform air supply, it avoids the increase in resistance caused by too high or too low a local wind speed.

However, the resistance of fiber fabric ducts can also be affected by a number of factors:

1. Wind speed

  • The higher the wind speed, the higher the resistance.

2. Duct shape and length

  • Complex shapes and excessively long ducts increase the resistance to air flow.

3. Density and porosity of the fabric

  • Denser and less porous fabrics may result in an increase in resistance.

Overall, under normal design and use conditions, fiber fabric ducts can provide ideal low resistance ventilation.

For example, the use of fabric ducts in a warehouse with a large amount of space ensures that sufficient airflow reaches all areas, even over long distances, due to their low resistance.

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