THE SCIENCE AND APPLICATIONS OF ACOUSTICS - H. H. Arnold ...

Index 659Transmission coefficientcombined sound, 294–296sound, 282Transmission loss, 282measuring, 292–294underwater, 416–418Transmission loss in duct systems, 167Transmitting-current response, 427Transverse sensitivity, 612Transverse vibrations of vibrating bars, 100–104Transverse wave equation, derivation of, 71–73Transverse waves, 31, 71Triangle, 553Triple meter, 517Trombone, 551True nodes, 106Trumpet, 550Tuba, 551Tubular bells, 553Tuning fork, 105, 107–108, 553Turbulent flow, 367Ukulele, 525–526Ultrasonic cleaning, 479–480Ultrasonic delay lines, 484Ultrasonic diagnosis, safety of, 502Ultrasonic echoencephalography, 500Ultrasonic fire sensing, 487–488Ultrasonic flowmeter, 486–487Ultrasonic holography, 496–497Ultrasonic imaging processes, 492–497Ultrasonic machining, 488Ultrasonic methods for flaw detection, 481–483Ultrasonic motion sensing, 487–488Ultrasonic viscometer, 491Ultrasonic welding, 488–489Ultrasonic working of metals and plastics,488–490Ultrasonics, 443–476Ultrasound, 15Agricultural, 490diagnostic uses of, 498–501industrial applications of, 479–497medical uses of, 497–506safety, 502–503therapeutic uses of, 503–506Uncorrelated sound waves, 58Undamped natural frequency, 587Underwater acoustics, 409–439Underwater refraction, 421–423Underwater sound, concepts in, 410–411Underwater transmission loss, 416–418Unflanged pipes, 135Universal gas constant, 19Universal joint noise, 385Urick, Robert Joseph, 10Vacuum tubes, 8Vector sound intensity probes, 181–182Vehicle noise, 339–344Vehicle noise regulations, 347–349Velocity-depth function, 413Velocity profiles, 413–415in sea, 413–415Vibrating bars, 89–108boundary conditions for, 93–95general boundary conditions for, 98–100mass concentrated, 95–98transverse vibrations of, 100–104Vibrating strings, 71–85assumptions, 71energy of, 80–81Vibrating thin plates, 125–128Vibration(s), 585–615forced, see Forced vibrationsmodifying source of, 603noise and, 585random, 612–615Vibration absorbers, 604–606Vibration control, 598–603techniques for, 603–610Vibration measurements, 611–612Vibration systems, modeling, 585–590Viola, 528–533Violin, 528–533Violin octet, 533, 534Violoncello, 528–533Viscometer, ultrasonic, 491Vitruvius (Marcus Vitruvious Pollo), 3Voice, human, 551–552Voice recognition, 575–576Voicing, 544Voltage-controlled amplifier (VCA), 558–559Voltage-controlled filter (VCF), 558, 559Voltage-controlled oscillator (VCO), 558, 559Voltage sensitivity, 612Volume velocity, 151Volume viscosity, 419Wallsenclosures and barriers and, 281–316noise reduction of, 300–304sound pressure level at distance from,304–305Water, sound propagation in, 409–410Water hammer, 368–370