《POWER REACTOR NOISE》

Chapter 1 Introduction1

Meaning of Noise1

Historical Applications of Noise Analysis2

Techniques of Experimental Reactor Dynamics3

Reasons for Noise Analysis5

Kinds of Noise6

Accomplishments of Investigations7

ContentsPublisher's Foreword9

Preface11

Nomenclature13

Probability17

Chapter 2 Statistical Properties of Noise17

Moments of the Probability Density Function18

Gaussian Distribution20

Uses of Probability Descriptors21

Correlation23

Chapter 3 Frequency-Domain Analysis29

Frequency Concepts in Noise29

Fourier Series Representation30

Fourier Integral Representation33

Spectral Descriptors34

Fast Fourier Transform34

Transfer Functions35

Chapter 4 Time-Domain Analysis41

Cross-Correlation41

Autocorrelation43

Correlation Functions and Spectra45

Correlation Measurement Methods48

Flow Measurements by Correlation49

Autoregression Models50

Chapter 5 Experimental Techniques57

Transducers58

Signal Conditioning and Unwanted Noise Reduction59

Recording Techniques61

Analyzers64

Data Quality Assurance67

Chapter 6 Theoretical Considerations in Noise Analysis71

Filtering71

Frequency Resolution75

Dynamic Range76

Statistical Error78

Standards and Traditions in Noise Data Management79

Surveillance Using Noise80

Pattern Recognition Methodology83

Pattern Recognition Implementation84

Parameter Identification85

Chapter 7 Neutron Noise89

Fundamental Statistical Processes89

Zero-Power Spectra92

Zero-Power Time-Domain Analysis94

Power Reactor Reactivity Noise94

Geometric Neutron Noise99

Gamma and Fast-Neutron Noise100

Chapter 8 Pressurized Water Reactor Noise103

PWR Internals and Forces103

Neutron Noise108

Structural Vibrations112

Core Barrel Motion Data115

Pressure Noise121

Fuel Motion122

Diagnosis Using Noise125

Core Monitoring Programs129

Balance of Plant Noise Monitoring129

Chapter 9 Boiling Water Reactor Noise139

BWR Internals and Forces139

Stability Measurements144

Boiling Noise Theory148

Boiling Noise Experiments151

Global and Local Noise156

Steam Void Velocity159

Primary System Noise163

Instrument Tube Motion171

Noise Surveillance174

Chapter 10 Acoustical Noise181

Vibrating Structure Waves183

Transmission Characteristics184

Data Analysis187

Boiling Detection 18oLeak Detection192

Loose Parts Monitoring193

Chapter 11 Concluding Remarks201

Growth and Breadth in a Technology201

Acceptance201

The Outlook203

Index205