Noise Control For Engineers / Harold W. Lord, William S. Gatley and Harold A. Evensen.

CONTENT

PART 1: FUNDAMENTAL CONCEPTS OF SOUND

CHAPTER 1: The Nature of Sound and Its Measurement
1.1 introduction
1.2 Generation and Propagation of Sound
1.3 Wave Nature of Sound
1.4 Transmission, Reflection, and Absorption of Sound by Boundaries
1.5 Mathematical Description of Sound Waves
Etc.

CHAPTER 2: Effects of Sound on People
2.1 Introduction
2.2 Anatomy of the Ear
2.3 Normal Hearing Response
2.4 Noise-Induced Hearing Loss-Health and Safety Standards
2.5 Speech Interference
Etc.

CHAPTER 3: DESCRIPTION OF SOUND FIELDS
3.1 Introduction
3.2 Sound Sources and Radiated Sound Fields
3.3 Near-and Far-Field Characteristics
3.4 Free-Field and Reverberant-Field Characteristics
3.5 Anechoic and Reverberant Chambers
Etc.

CHAPTER 4: Acoustics of Room and Enclosures
4.1 Introduction
4.2 Absorption and Transmission Coefficients, Room Absorption
4.3 Build-up and Decay of Sound in a Room, Reverberation Time
4.4 Normal Modes of Vibration of an Enclosure
4.5 Steady-State Sound Pressure Levels
Etc.

PART 2: PRACTICAL ASPECTS OF NOISE CONTROL

CHAPTER 5: Instrumentation for Measurement and Analysis of Noise
5.1 Terminology and Fundamental Concepts
5.2 Frequency Analysis
5.3 Acoustical Instrumentation
5.4 Typical Applications

CHAPTER 6: Acoustical Measurements
6.1 Reverberation Time
6.2 Absorption Coefficient and Acoustic Impendance
6.3 Directivity
6.4 Sound Power
6.5 Attenuation of Sound by Structures

CHAPTER 7: Noise Criteria, Standard and Regulations
7.1 Introduction
7.2 Criteria for Indoor Noise Environment
7.3 Indoor Noise Standards and Regulations
7.4 Rating Schemes for Outdoor Noise Regulations
7.5 Community (Enviromental) Noise Regulations
Etc.

CHAPTER 8; Acoustical Materials and Structures
8.1 Introduction
8.2 Absorptive Mterials and Structures
8.3 Dissipative and Reactive Silencers
8.4 Attenuating Materials and Structures
8.5 Damping of Thin Panels
Etc.

CHAPTER 9: Principles of Noise Control
9.1 Principle 1: Identify Sources of Noise and their Relative Importance
9.2 Principle 2: List and Evaluate Possible Noise Control Procedures as they Apply to Source, Path, and Receiver
9.3 Principle 3: Identify Relative Contributions from Direct and Reflected Sound
9.4 Principle 4: Distinguish Between Absorption and Attenuation of Noise
9.5 Principle 5: Identify and Evaluate Significance of Flanking Paths
Etc.

CHAPTER 10: Case Studies in Noise Control
10.1 Reduction of Noise Levels in a Food-Packaging Area
10.2 Reduction of Engine-Generator Cooling-Fan Noise
10.3 Reduction of Noise from a Mine Ventilation Fan
10.4 Reduction of Railcar Retarder Noise
10.5 Reduction of Mechanical Equipment Noise in a Penthouse Apartment
Etc.

CHAPTER 11: Establishing an Industrial Noise Control Program
1.1 Introduction
11.2 Identifying Unacceptable Noise Areas and Work Environments-Initial Noise Survey
11.3 Identifying Major Sources of Worker Noise Exposure-Compliance Noise Survey
11.4 Diagnostic Measurements
11.5 Documentation for the Noise Survey
Etc.

PART 3: LABORATORY AND FIELD EXPERIMENTS

Introduction to the Laboratory Exercises

Lab 1. Measurement of Sound
Lab 2. Evaluation of Noise Environments
Lab 3. Field Measurements of Room Absorption and Reverberation Time
Lab 4. Field Measurements of Transmission Loss and Noise Reduction
Lab 5. Plant Noise Survey
Etc.

Includes Index p. 429-435