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2 results

  • Chapter Seven - Oscillating Water Columns and Other Types of Wave-Energy Converters

  • Johannes Falnes, Adi Kurniawan
  • Book:
    Ocean Waves and Oscillating Systems
    Published online:
    12 May 2020
    Print publication:
    28 May 2020, pp 242-261

  • Summary

    The first part of Chapter 7 deals with oscillating water columns (OWCs). The concepts of radiation conductance and susceptance are introduced. The former is related to the radiated power, whereas the latter represents the reactive power. Expressions for the power absorbed by the OWC are derived, which are analogous to those of the oscillating body WEC. The potential energy of the OWC is also discussed. The last part of Chapter 7 deals with wave energy converters that move in modes other than the six conventional rigid-body modes. The theory of generalised modes are described, and some examples are given to illustrate the utility of the theory.