Chapter 4.5. Acoustic Properties

  1. Dr. Michael Scheffler2 and
  2. Prof. Ing. Paolo Colombo3
  1. Iain D. J. Dupère,
  2. Tian J. Lu and
  3. Ann P. Dowling

Published Online: 24 MAR 2006

DOI: 10.1002/3527606696.ch4e

Cellular Ceramics: Structure, Manufacturing, Properties and Applications

Cellular Ceramics: Structure, Manufacturing, Properties and Applications

How to Cite

Dupère, I. D. J., Lu, T. J. and Dowling, A. P. (2005) Acoustic Properties, in Cellular Ceramics: Structure, Manufacturing, Properties and Applications (eds M. Scheffler and P. Colombo), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527606696.ch4e

Editor Information

  1. 2

    Department of Materials Science & Engineering, University of Washington, 418 Roberts Hall, Box 352120, Seattle, WA 98195-2120, USA

  2. 3

    Dipartimento di Chimica Applicata, e Scienza dei Materiali, Università di Bologna, V. le Risorgimento 2, 40136 Bologna, Italy

Author Information

  1. Cambridge University, Engineering Department, Trumpington Street, Cambridge CB2 1PZ, UK

Publication History

  1. Published Online: 24 MAR 2006
  2. Published Print: 9 MAY 2005

ISBN Information

Print ISBN: 9783527313204

Online ISBN: 9783527606696



  • cellular ceramics;
  • acoustic properties;
  • acoustic propagation;
  • experimental techniques;
  • empirical models;
  • theoretical models


This chapter contains sections titled:

  • Introduction

  • Acoustic Propagation

    • Linearized Equations of Motion

    • Wave Equation

    • Relationships between Acoustic Parameters under Inviscid Conditions

    • Acoustic Energy

  • Acoustic Properties

    • Acoustic Impedance and Admittance

    • Acoustic Wavenumber

    • Reflection Coefficient, Transmission Coefficient, and Transmission Loss

    • Absorption Coefficient

  • Experimental Techniques

    • Moving-Microphone Technique

    • Two- and Four-Microphone Techniques

  • Empirical Models

  • Theoretical Models

    • Viscous Attenuation in Channels (Rayleigh's Model)

    • Acoustic Damping by an Array of Elements Perpendicular to the Propagation Direction

    • Generalized Models

    • Complex Viscosity and Complex Density Models

    • Direct Models

    • Biot's Model

    • Lambert's Model

  • Acoustic Applications of Cellular Ceramics

  • Summary