Book Name: Noise and Vibration Control for HVAC
Language: English
Format: PDF
Free Download: Available

Noise and Vibration Control for HVAC CIBSE Guide B5 | PDF Free Download

Noise and Vibration Control for HVAC pdf book free

Book Details :
Language English
Pages 62
Format PDF
Size 5.04 MB

Noise and Vibration Control for HVAC

Noise and Vibration Control for HVAC Contents


  • Introduction 
  • Summary of noise and vibration problems from HVAC
  • Noise sources in building services 
  • Noise control in plant rooms 
  • Airflow noise regeneration of noise in ducts
  • Techniques for control of noise transmission in ducts
  • Room sound levels
  • Transmission of noise too and from the outside
  • Criteria for noise in HVAC systems
  • Noise prediction
  • Vibration problems and control
  • Summary of guidance on noise and vibration control

Foreword to Noise and Vibration Control for HVAC PDF


Any air conditioning or mechanical ventilation system will inevitably produce noise. The hallmark of a well-designed HVAC system is that the noise it generates does not cause problems for the occupants.

Naturally ventilated buildings are not exempt from problems either, as they require openings in the building envelope to admit external air, and they may also admit unacceptable levels of external noise.

Some noise is useful in masking sounds from colleagues and other sources and in multi-occupied offices it is important to provide privacy. Excessive noise from outside or from H’A( discomfort, unease amongst those working in the building) may contr communications, especially in open spaces.

These all contribute to reduced productivity, since those who are not comfortable in their surroundings are not fully effective.

The building services engineer is expected to take responsibility for the control of noise, whether from the mechanical plant or external noise transmitted through the system.

Where noise is related to the building design, such as natural ventilation openings, the engineer needs to liaise with the architect and agree on suitable locations for air inlets.

Air inlets for natural ventilation systems are normally placed where they are remote from sources of air pollution and noise sources such as traffic, but they may be exposed to other sources of noise.

In some cases, the services engineer may be responsible for all service noise in a building, including pumps, lifts, and escalators.

This new Guide section, Noise and vibration control for HVAC which replaces section B12 of the 1986 edition of Guide B, provides comprehensive guidance on the identification and prediction of sources of noise and vibration in ventilation plants, and of the tools and techniques that are available to control them.

It has been prepared by a Steering Committee comprising experts in the application of acoustics and vibration control and addresses developments in the field since the previous edition was published.

The Guide will be a valuable tool both for acousticians and HVX: design engineers.

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