Instrumentation Reference Book, 4th Edition > 32.7.6Measurement of Sound Power by Means of Sound Intensity > 32.7.6Measurement of Sound Power by Means of Sound Intensity

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Instrumentation Reference Book, 4th Edition

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Table of Contents

Part I. The Automation Knowledge Base

Part II. Mechanical Measurements

Part III. Measurement of Temperature and Chemical Composition

Part IV. Electrical and Radiation Measurements

Chapter 27. Electrical Measurements

Chapter 28. Optical Measurements

Chapter 29. Nuclear Instrumentation Technology

Chapter 30. Measurements Employing Nuclear Techniques

Chapter 31. Non-Destructive Testing

Chapter 32. Noise Measurement

32.1Sound and Sound Fields

32.2Instrumentation for the Measurement of Sound-Pressure Level

Appendix 32.1

32.3Frequency Analyzers

32.4Recorders

32.5Sound-Intensity Analyzers

32.6Calibration of Measuring Instruments

32.7The Measurement of Sound-Pressure Level and Sound Level

32.7.1Time Averaging

32.7.2Long Time Averaging

32.7.3Statistical Distribution and Percentiles

32.7.4Space Averaging

32.7.5Determination of Sound Power

32.7.6Measurement of Sound Power by Means of Sound Intensity

32.8Effect of Environmental Conditions on Measurements

References

Further Reading

Part V. Controllers, Actuators, and Final Control Elements

Part.VI. Automation and Control Systems

Appendix A. General Instrumentation Books

Appendix B. Professional Societies and Associations

Appendix C. The Institute of Measurement and Control

Appendix D. International Society of Automation, Formerly Instrument Society of America

Index

612 PaRT | iV Electrical and Radiation Measurements figuRe 32.27 Microphone posi- tions on equal areas of the surface of a hemisphere. figuRe 32.28 Microphone positions on a parallel- epiped and a conformal surface.

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