Fundamental Mechanisms

Part of the Underwater Acoustics book series (UA)


The discussion in the previous chapter indicates an exact treatment of this air–sea boundary interaction zone is not possible. If such a characterization were possible, one would still have the problem of environmental uncertainty associated with the measured boundary layer parameters required for comparison and evaluation. With this uncertainty, is it possible to examine qualitatively the possible mechanisms responsible for noise from this zone? This question is the motivation for this chapter, that is, to identify the physical mechanisms of sound production above the sea surface, below the sea surface, and by the motion of the surface itself. The approach provides a theoretical framework that enables the understanding of the multiple theories published on a variety of noise production mechanisms. The fundamentals of each particular approach and rationale can then be facilitated in terms of this general theoretical framework.


Turbulent Boundary Layer Interaction Zone General Theoretical Framework Turbulence Interaction Bubble Cloud 
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Copyright information

© William M. Carey and Richard B. Evans 2011

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringBoston UniversityOld LymeUSA
  2. 2.North StoningtonUSA

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