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E-book
Author Glegg, Stewart

Title Aeroacoustics of Low Mach Number Flows Fundamentals, Analysis and Measurement
Edition 2nd ed
Published San Diego : Elsevier Science & Technology, 2023

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Description 1 online resource (724 p.)
Contents Intro -- Aeroacoustics of Low Mach Number Flows: Fundamentals, Analysis and Measurement -- Copyright -- Dedication -- Contents -- Preface to first edition -- Preface to second edition -- Part One: Fundamentals -- Chapter 1: Introduction -- 1.1. Aeroacoustics of low Mach number flows -- 1.2. Sound waves and turbulence -- 1.3. Quantifying sound levels and annoyance -- 1.4. Symbol and analysis conventions -- 1.5. Organization of the book -- 1.6. Problems -- References -- Chapter 2: The equations of fluid motion -- 2.1. Mathematical notation and foundations -- 2.2. The equation of continuity
2.3. The momentum equation -- 2.3.1. General considerations -- 2.3.2. Viscous stresses -- 2.4. Thermodynamic quantities -- 2.5. The role of vorticity -- 2.5.1. Croccos equation -- 2.5.2. The vorticity equation -- 2.6. Energy and acoustic intensity -- 2.6.1. The energy equation -- 2.6.2. Sound power -- 2.7. Some relevant fluid dynamic concepts and methods -- 2.7.1. Streamlines and vorticity -- 2.7.2. Ideal flow -- 2.7.3. Conformal mapping -- 2.7.4. Vortex filaments and the Biot Savart law -- 2.8. Summary of key results -- 2.9. Problems -- References -- Chapter 3: Linear acoustics
3.1. The acoustic wave equation -- 3.2. Plane waves and spherical waves -- 3.3. Harmonic time dependence -- 3.4. Sound generation by small bodies in motion -- 3.4.1. Pulsating sphere -- 3.4.2. Translating sphere -- 3.4.3. General spherical surface motions -- 3.5. Sound scattering by a small sphere -- 3.6. Superposition and far field approximations -- 3.7. Monopole, dipole and quadrupole sources -- 3.8. Acoustic intensity and sound power output -- 3.9. Solution to the wave equation using Greens functions -- 3.9.1. Spherical surfaces -- 3.10. Frequency domain solutions and Fourier transforms
3.11. Summary of key results -- 3.12. Problems -- References -- Part Two: Foundations of aeroacoustics -- Chapter 4: Lighthills acoustic analogy -- 4.1. Lighthills analogy -- 4.2. Limitations of the acoustic analogy -- 4.2.1. Nearly incompressible flow -- 4.2.2. Uniform flow -- 4.3. Curles theorem -- 4.4. Monopole, dipole and quadrupole sources -- 4.5. Tailored Greens functions -- 4.6. Surfaces and sources -- 4.6.1. Boundary layers -- 4.6.2. The surface source for bodies immersed in a flow -- 4.7. Wavenumber and Fourier transforms -- 4.8. Summary of key results -- 4.9. Problems -- References
Chapter 5: The Ffowcs Williams and Hawkings equation -- 5.1. Generalized derivatives -- 5.2. The Ffowcs Williams and Hawkings equation -- 5.2.1. General theory -- 5.2.2. Impenetrable surfaces -- 5.3. Moving sources -- 5.4. Sources in a free stream -- 5.5. The Prantl-Glauert transformation -- 5.6. Ffowcs Williams and Hawkings surfaces -- 5.7. Incompressible flow estimates of acoustic source terms -- 5.8. Summary of key results -- 5.9. Problems -- References -- Chapter 6: Propeller and open rotor noise -- 6.1. Tone and broadband noise
Notes Description based upon print version of record
6.2. Time domain prediction methods for tone noise from a single rotor blade
Form Electronic book
Author Devenport, William
ISBN 9780443218583
0443218587