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Contents

Chapter 1Stepped Acoustic Resonator with an Abrupt Cross Section

1.1Introduction

1.2Transfer Matrix Method

1.3Experimental Setup

1.4Results

1.4.1Oneª²step Acoustic Resonator

1.4.2Twoª²step Acoustic Resonator

1.4.3Multiª²step Acoustic Resonator

1.5Conclusions

References

Chapter 2Acoustic Resonator with a Gradually Varying Cross Section

2.1Introduction

2.2Gradually Varying Shape and Sound Field

2.2.1Gradually Varying Geometric Shape

2.2.2Sound Field

2.3Transfer Matrix and Resonant Condition

2.3.1Transfer Matrix

2.3.2Resonant Condition

2.4Transfer Function and Phase

2.5Impedance

2.6Conclusions

References

Chapter 3Stepped Acoustic Resonator with a Smooth Transitional Section

3.1Introduction

3.2The Transfer Matrices of the Stepped Acoustic Resonator

with a Gradually Varying Crossª²sectional Area

3.3Transfer Function and Phase

3.4Impedance

3.5Conclusions

References

Chapter 4Largeª²amplitude Standingª²wave Fields in the Standingª²wave

Tube with a Uniform Cross Section

4.1Introduction

4.2Experimental Setup

4.3Results and Discussions

4.3.1Transfer Matrix and Resonance Frequencies

4.3.2Largeª²amplitude Standingª²wave Field Excited at Peak

Resonant Frequencies

4.3.3Largeª²amplitude Standingª²wave Field Excited at Valley

Resonant Frequencies

4.3.4Variation of the SPL of a Largeª²amplitude Standingª²wave

Field with the Driving Voltage

4.4Conclusions

References

Chapter 5Largeª²amplitude Standingª²wave Fields in the Stepped Standingª²wave

Tube with an Abrupt Cross Section

5.1Introduction

5.2The Stepped Standingª²wave Tube with Abrupt Cross Section

5.3Results and Discussions

5.3.1Transfer Function and Resonance Frequency

5.3.2Largeª²amplitude Sandingª²wave Fields Excited at Peak

Resonance Frequencies

5.3.3Largeª²amplitude Standingª²wave Fields Excited at Trough

Resonance Frequencies

5.3.4Fundamental Wave SPL of the Largeª²amplitude Standingª²

wave Field Excited at Resonance Frequencies

5.3.5Particle Velocity Peak of the Largeª²amplitude Standingª²

wave Field Excited at Resonance Frequencies

5.3.6Wave Distortion of the Largeª²amplitude Standingª²wave

Field Excited at Resonance Frequencies

5.4Conclusions

References

Chapter 6Largeª²amplitude Standingª²wave Fields in the Stepped

Standingª²wave Tube with a Tapered Cross Section

6.1Introduction

6.2The Stepped Standingª²wave Tube with a Tapered Cross Section

6.3Results and Discussions

6.3.1Transfer Function and Resonance Frequency

6.3.2Largeª²amplitude Sandingª²wave Fields Excited at Peak

Resonance Frequencies

6.3.3Largeª²amplitude Standingª²wave Fields Excited at Trough

Resonance Frequencies

6.3.4Fundamental Wave SPL of the Largeª²amplitude Standingª²wave

Field Excited at Resonance Frequencies

6.3.5Particle Velocity Peak of the Largeª²amplitude Standingª²wave

Field Excited at Resonance Frequencies

6.3.6Wave Distortion of the Largeª²amplitude Standingª²wave

Field Excited at Resonance Frequencies

6.4Conclusions

References

Chapter 7Comparison of the Generation of Extremely Nonlinear Pure

Standingª²wave Fields in a Standingª²wave Tube

7.1Introduction

7.2The Standingª²wave Tube

7.3Sound Pressure Transfer Function

7.4Extremely Nonlinear Standingª²wave Fields at the First

Resonance Frequency

7.4.1Waveform of the Extremely Nonlinear Standingª²wave Field

7.4.2Development of the Extremely Nonlinear

Standingª²wave Field

7.4.3Increase of the SPL with Driving Voltage

7.5Conclusions

References