Noise Control in Industry

Noise Control in Industry

A Practical Guide

1st Edition - December 31, 1996

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  • Author: Nicholas P. Cheremisinoff
  • eBook ISBN: 9780815518440

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Description

Damage from noise exposure of sufficient intensity and duration is well established and hearing loss may be temporary or permanent. Fortunately, noise exposure can be controlled and technology exists to reduce the hazards. Aside from employer/employee concern with the inherent hazards of noise, added attention has been brought to focus on the subject through regulatory requirements. Under the Occupational Safety and Health Act (OSHA) every employer is legally responsible for providing a workplace free of hazards such as excessive noise. It has been estimated that 14 million US workers are exposed to hazardous noise. This book is presented as an overview summary for employers, workers, and supervisors interested in workplace noise and its control. We believe that in order to understand and control noise it is not necessary to be highly technical. Noise problems can quite often be solved by the people who are directly affected. Presented is an overview of noise, the regulations concerning its control, an explanation of specific principles, and a discussion of some particular techniques.

Readership

Employers, workers, and supervisors interested in workplace noise and its control.

Table of Contents

  • 1. Introduction to Sound and Noise
    Effects of Noise
    Human Exposure and Response
    Physics of Sound
    Relationship of Sound Pressure, Sound Power and Sound Intensity
    Frequency of Sound
    Duration of Sound
    Nomenclature
    References
    2. Industrial Noise Control-An Overview
    Low-Cost Solutions for Noise Control
    Master Plans
    Sound Control Principles
    Example
    Material Selection
    References
    3. Noise Control Regulations
    The Noise Control Act as Amended by the Quiet Communities Act
    State Environmental Noise Programs
    Occupational Safety and Health Act
    1974 OSHA Proposal to Amend Noise Standard
    Hearing Conservation Program Rules
    State Workman's Compensation Laws
    Abbreviations
    References
    Note Added in Proof: OSHA Regulatory Changes
    4. Noise Analysis
    Microphone Designs
    Sound Fields
    Microphones and the Acoustical Environment
    Microphone Accessories
    Frequency Weighting
    Sound Level Meters
    Calibration
    Integrating Sound Level Meters
    Noise Dosimeters
    Frequency Analyzers
    Amplitude Distribution Analyzers
    Related Vibration Measurements
    References
    5. Vibration Analysis and Instrumentation
    Instrumentation
    Vibration Meters
    Vibration Analyzers
    Vibration Signature Analysis
    Data at Startup
    Vibration Severity Measured in Velocity
    Strobe Light Analysis
    The ""Big Four"" Sources of Vibration
    Conclusion
    Reference
    Bibliography
    6. Measurement Techniques for Sound Level Meters
    Noise Level and Frequency
    The Sound Level Meter
    Weighting
    Precision
    Calibration
    Human Response
    Defining the Measurement Problem
    Determination of Percent-Exceeded Noise Levels
    Determination of Equivalent Sound Level
    Long-Term Average
    OSHA Criteria
    References
    7. Audiometry
    Characteristics of Sound
    The Human Ear: Physiology
    Hearing Disorders
    Assessment of Hearing Impairment
    Automatic Recording Audiometers
    The Audiogram
    Audiometric Booths
    Audiometer Calibration
    Abbreviations
    References
    Bibliography
    8. Analysis of Valve and Piping Noise
    Cavitation
    Cavitation in Liquid Systems
    Water Hammer
    Mechanical Vibration
    Fluid Noise
    Control Valve Noise Prediction: Compressible Fluids
    Noise Attenuation
    Cover Materials
    Double Reducing Station
    Valve/Piping Design Considerations
    9. Fan Noise Control
    Types of Fans
    Noise Source
    Relocation of Equipment
    Fan Modification
    Isolators
    Mufflers
    Fan Location
    Balancing
    Maintenance
    Summary and Conclusions
    References
    Bibliography
    Glossary
    Index

Product details

  • No. of pages: 203
  • Language: English
  • Copyright: © William Andrew 1996
  • Published: December 31, 1996
  • Imprint: William Andrew
  • eBook ISBN: 9780815518440

About the Author

Nicholas P. Cheremisinoff

Affiliations and Expertise

United States Agency for International Development

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