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

Index 657Rest symbols, 513, 515Restrictive flow silencer nozzle, 394Reverberant effects, 246–247Reverberant fields, 244–245sound absorption in, 256–258sound levels due to, 259–261Reverberation, 409Reverberation chambers, 203–206, 254Reverberation-limited range, 432Reverberation time, 205, 243, 253predicting, 253sound absorption and humidity and, 256–258Reynolds number, 367Rhythm, 517Ribbon-type speaker system, 580Rigid-walled circular waveguide, 144Ring frequency, 397Roller bearing noise, 379–382Room constant, 259Room criterion curves, 327Roomsdead, decay of sound in, 254–256live, sound intensity growth in, 247–249Root-mean-square sound pressure, 47–49Rotational waves, 31Rudnick, Isadore, 9Sabine equation, 243Sabine, Wallace Clement, 6, 243Sarrusophone, 545, 547Sauveur, Joseph, 4Saxophone, 544Scanning plane, 470Schlieren imaging, 495–496Seasonal thermocline, 414Seawaterabsorption in, parametric variation of,419–421speed of sound in, 411–413velocity profiles in, 413–415Secondary emission ratio, 492Semianechoic chamber, 201–202Semitones, 512Sensitivity, 176–179ear, 222–225Sensorineural deafness, 221Sequencer, 561Serial analysis in filters, 191Sextuple meter, 517Shadow zones, 44–45Sharp notes, 512Shear stress, 23Shear viscosity, 419Shear waves, 31Shell isolation rating (SIR), 296, 298–300, 301Shock waves, 622–625Side-lobe ratio (SLR), 197Signal-to-noise ratio (S/N ratio), 181Silencers, see Mufflers and silencersSimple harmonic motion (SHM), 75Simple harmonic solutions of wave equation,75–76Sine function, 13, 14Sine waves, generating, 13, 14Single-reed instruments, 541Sitar, 527Skudrzyk, Eugen, 9Small enclosures, 309–310SNAP 1.1 computer program, 344Snell, Willbrod (Snellius), 5Snell’s law, 44, 422Social surveys of noise, 344–345Sonar, 409Sonar equations, 427–431shortcomings of, 437summarization of, 437transient form of, 434–437Sonar parameters, 429–431Sonar system, 428Sonar transducers, 424–427Sonochemistry, 454Sonoluminescence, 453–454Sonophoresis, 505Sonoporation, 506Soprano clef, 512SORAP acronym, 433–434Sound, 13, 16decay of, 252–256in dead rooms, 254–256growth of, with absorbent effects, 251–252speed of, see Speed of soundunderwater, concepts in, 410–411unwanted, 15wave nature of, 13–15Sound absorptionin reverberant field, 259reverberation time and, 256–258Sound absorption coefficients, 249–251Sound channels, 44Sound decay, 8Sound fields, 244–246of listening spaces, subjective preferences in,276–278Sound focusing, 262Sound generation, 16–17Sound intensity, 60–62