Contents -- Dedication -- Series Preface -- Preface -- Chapter 1 - Noise and Its Measurement -- 1.1 Plane Wave Propagation -- 1.2 Spherical Wave Propagation -- 1.3 Decibel Level -- 1.4 Frequency Analysis -- 1.5 Weighted Sound Pressure Level -- 1.6 Logarithmic Addition, Subtraction and Averaging -- 1.7 Directivity -- 1.8 Measurement of Sound Pressure Level -- 1.9 Loudness -- 1.10 Noise Limits in India -- 1.10.1 The noise pollution (regulation and control) rules, 2000 -- 1.10.2 Permissible noise exposure for industrial workers -- 1.10.3 Noise limit for diesel generator sets -- 1.10.4 Noise limit for portable gensets -- 1.10.5 Noise limit for fire crackers -- 1.10.6 Noise limit for vehicles -- 1.11 Masking -- 1.12 Sound Level Meter -- 1.13 Microphones -- 1.14 Microphone Sensitivity -- 1.15 Intensity Meter -- References -- Problems in Chapter 1 -- Chapter 2 - Vibration and Its Measurement -- 2.1 Vibration of Single Degree of Freedom System -- 2.1.1 Free vibration -- 2.1.2 Forced response -- 2.2 Vibration of a Multiple Degrees of Freedom System -- 2.2.1 Free response -- 2.2.2 Forced response of multi-DOF system -- 2.2.3 Modal expansion -- 2.3 Transmissibility -- 2.4 Critical Speed -- 2.5 Dynamical Analogies -- 2.6 Vibration of Beams and Plates -- 2.7 Vibration Measurement -- 2.8 Measurement of Damping Measurement of Sound Pressure Level -- 2.8.1 Logarithmic decrement method -- 2.8.2 Half-power bandwidth method -- References -- Problems in Chapter 2 -- Chapter 3 - Vibration Control -- 3.1 Vibration Control at the Source -- 3.2 Vibration Isolators -- 3.2.1 Bonded rubber springs -- 3.2.2 Effect of compliant foundation -- 3.2.3 Pneumatic suspension -- 3.3 Dynamic Vibration Absorber (DVA) -- 3.4 Impedance Mismatch to Block Transmission of Vibration -- 3.4.1 Viscoelastic interlayer -- 3.4.2 Effect of blocking mass on longitudinal waves.

3.4.3 Effect of blocking mass on flexural waves -- 3.5 Damping Treatments for Plates -- 3.5.1 Free layer damping (FLD) treatment -- 3.5.2 Constrained layer damping (CLD) treatment -- 3.6 Active Vibration Control -- References -- Problems in Chapter 3 -- Chapter 4 - Acoustics of Rooms, Partitions, Enclosures and Barriers -- 4.1 Sound Field in a Room -- 4.2 Acoustics of a Partition Wall -- 4.3 Design of Acoustic Enclosures -- 4.4 Noise Reduction of a Partition Wall and Enclosure -- 4.5 Acoustics of Barriers -- References -- Problems in Chapter 4 -- Chapter 5 - Mufflers and Silencers -- 5.1 Electro-Acoustic Modeling -- 5.2 Transfer Matrix Modeling -- 5.3 Simple Expansion Chamber (SEC) -- 5.4 Extended Tube Expansion Chamber (ETEC) -- 5.5 Extended Concentric Tube Resonator (ECTR) -- 5.6 Plug Muffler -- 5.7 Multiply Connected Muffler -- 5.8 Absorptive Ducts and Mufflers -- 5.9 Combination Mufflers -- 5.10 Acoustic Source Characteristics of I.C. Engines -- 5.11 Designing for Adequate Insertion Loss -- 5.12 Mufflers for High Pressure Vents and Safety Valves -- 5.13 Design of Muffler Shell and End Plates -- 5.14 Helmholtz Resonators -- 5.15 Active Noise Control in a Duct -- 5.16 Pressure Drop Considerations -- References -- Problems in Chapter 5 -- Chapter 6 - Noise Control Strategies -- 6.1 Control of Noise at the Source -- 6.1.1 Select a quieter machine -- 6.1.2 Select lossy materials -- 6.1.3 Use quieter processes or tools -- 6.1.4 Reduce radiation efficiency -- 6.1.5 Maintain for quietness -- 6.1.6 Design of flow machinery for quietness -- 6.2 Control of Noise in the Path -- 6.3 Noise Control at the Receiver End -- 6.4 Noise Control of an Existing Facility -- 6.5 Estimation and Control of Compressor Noise -- 6.6 Estimation and Control of Noise of Fans and Blowers -- 6.7 Estimation and Control of Noise of Packaged Chillers.

6.8 Estimation and Control of Noise of Cooling Towers -- 6.9 Estimation and Control of Pump Noise -- 6.10 Estimation and Control of Noise of Prime Movers -- 6.10.1 Turbines -- 6.10.2 Diesel engines -- 6.10.3 Electric motors -- 6.11 Jet Noise Estimation and Control -- 6.12 Estimation and Control of Gear Noise -- 6.13 Earthmoving Equipment Noise Estimation and Control -- 6.14 Impact Noise Control -- 6.15 Environmental Impact Assessment (EIA) -- References -- Problems in Chapter 6 -- Nomenclature -- Index.