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CONTENTS |
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CHAPTER |
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PAGE |
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1. SOUND WAVES |
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1.1 |
INTRODUCTION .. . .................................... |
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1 |
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1.2 |
SOUND WAVES ... . ...................... |
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•.• . • |
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1.3 |
ACOUSTICAL WAVE EQUATION |
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•... |
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4 |
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A. Equation of Continuity ............................ |
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4 |
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B. |
Equation of Motion ............................... |
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5 |
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C. Compressibility of a Gas |
.......................... |
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D. Condensation .................................... |
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6 |
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E. D'Alembertian |
Wave Equation ... |
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............. |
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6 |
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1.4 |
PLANE SOUND WAVES.................................. |
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10 |
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A. Particle Velocity in a Plane Sound Wave........... |
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B. |
Pressure in a Plane Sound Wave . .. |
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C. |
Particle Amplitude in a Plane Sound Wave ......... |
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1.5 |
SPHERICAL SOUND WAVES .............................. |
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A. Pressure in a Spherical Sound Wave ............... |
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B. Particle Velocity in a Spherical |
Sound Wave....... |
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C. Phase Angle Between the Pressure and Particle Veloc |
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ity in a Spherical Sound Wave.................... |
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D. Ratio of the Absolute Magnitudes of the Particle Ve |
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locity and the Pressure in a Spherical Sound Wave. .. |
14 |
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1.6 |
STATIONARY SOUND WAVES............................. |
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1.7 |
SOUND ENERGY DENSITY . . .... |
...•. .................... |
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1.8 |
SOUND INTENSITY ........................ |
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• ......... |
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1.9 |
DECIBELS |
(BELs) ...................................... |
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1.10 |
DOPPLER |
EFFECT .•.. |
•.•............ |
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.• .... |
•.. . . |
• . •• |
... •. |
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1.11 |
REFRACTION AND DIFFRACTION |
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1.12 ACOUSTIEAL RECIPROCITY THEOREM .. |
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1.13 ACOUSTICAL PRINCIPLE OF SIMILARITY |
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1.14 LONGITUDINAL WAVES IN A ROD..... .. |
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1.15 |
TORSIONAL WAVES IN A ROD........ |
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. . . . . . . . . |
• |
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1.16 |
CYLINDRICAL SOUND WAVES ............................ |
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II. ACOUSTICAL RADIATING SYSTEMS |
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2.1 |
INTRODUCTION .......... |
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.. . ........... |
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2.2 |
SIMPLE POINT SOURCE ... • .. |
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A. Point Source Radiating into an Infinite Medium. Solid |
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Angle of 471' Steradians ............................ |
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30 |
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B. Point |
Source Radiating into a Semi-Jnfinite Medium. |
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Solid |
Angle of |
271' Steradians ...................... |
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31 |
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