Noise and vibration control for building services systems : CIBSE guide B4 : 2016.

This document, which forms chapter 4 of CIBSE Guide B, provides guidance to building services engineers and others involved in the design of building services on the generation, prediction, assessment and control of noise and vibration from building services, so that designers may produce systems wh...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor Corporativo: Chartered Institution of Building Services Engineers
Formato: Electrónico eBook
Idioma:Inglés
Publicado: London : Chartered Institution of Building Services Engineers, [2016]
Edición:7.
Temas:
Noise control.
Buildings > Vibration.
Buildings > Environmental engineering.
Soundproofing.
Bruit > Lutte contre.
Constructions > Vibrations.
Constructions > Technique de l'environnement.
Isolation acoustique.
noise control.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • ‡g 4.1 Introduction. ‡t 4.1.1 Preamble
  • ‡t 4.1.2 Mechanisms of noise generation, noise sources and transmission paths
  • ‡t 4.1.3 Overview and structure of the Guide ‡g 4.2 Summary of noise and vibration problems of HVAC. ‡t 4.2.1 Typical sources of HVAC noise and their characteristics
  • ‡t 4.2.2 Transmission paths
  • ‡t 4.2.3 Control of the transmission paths ‡g 4.3 Noise sources in building services. ‡t 4.3.1 Introducation
  • ‡t 4.3.2 Fans
  • ‡t 4.3.3 High velocity/high pressure terminal units
  • ‡t 4.3.4 Grilles and Diffusers
  • ‡t 4.3.5 Fan coils unit
  • ‡t 4.3.6 Introducation units
  • ‡4 .3.7 Air conditioning units
  • ‡t 4.3.8 Fan-assisted terminal units
  • ‡t 4.3.9 Rooftop units/air handling units
  • ‡t 4.3.10 Acoustic louvres
  • ‡t 4.3.11 Chillers and compressors
  • ‡t 4.3.12 Pumps
  • ‡t 4.3.13 Boilers
  • ‡t 4.3.14 Heat rejection and cooling towers
  • ‡t 4.3.15 Chilled ceilings
  • ‡t 4.3.16 Lifts
  • ‡t 4.3.17 Escalators
  • ‡t 4.3.18 Electric motors
  • ‡t 4.3.19 Noise from water flow systems ‡g 4.4 Noise controll in plant rooms. ‡t 4.4.1 Risk of noise induced hearing loss
  • ‡t 4.4.2 Breakout noise from plant rooms
  • ‡t 4.4.3 Break-in noise in plant rooms
  • ‡t 4.4.4 Estimation of noise levels in plant rooms ‡g 4.5 Airflow noise - regeneration of noise in ducts. ‡t 4.5.1 Flow rate guidance
  • ‡t 4.5.2 Prediction technique
  • ‡t 4.5.3 Damper noise
  • ‡t 4.5.4 Turbulence-induced noise in and from ductwork ‡g 4.6 Control of noise transmission in ducts. ‡t 4.6.1 Duct components
  • ‡t 4.6.2 Unlined straight ducts
  • ‡t 4.6.3 Lined straight ducts
  • ‡t 4.6.4 Duct bends
  • ‡t 4.6.5 Duct take-offs
  • ‡t 4.6.6 End reflection loss
  • ‡t 4.6.7 Passive attenuatiors and plenums
  • ‡t 4.6.8 Active attenuators
  • ‡t 4.6.9 Use of fibrous sound absorbing materials in ducts
  • ‡t 4.6.10 Duct breakout noise
  • ‡t 4.6.11 Duct break-in noise
  • ‡t 4.6.12 Attenuator noise break-in ‡g 4.7 Room sound levels. ‡t 4.7.1 Behavior of sound in rooms
  • ‡t 4.7.2 Determination of sound level at a receiver point
  • ‡t 4.7.3 Source directivity
  • ‡t 4.7.4 Sound transmission between rooms
  • ‡t 4.7.5 Privacy and cross talk ‡g 4.8 Transmission of noise to and from the outside. ‡t 4.8.1 Transmission of noise to the outside and to other rooms
  • ‡t 4.8.2 Transmission of external noise to the inside
  • ‡t 4.8.3 Naturally ventilated buildings

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