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The wave drag of a Hovercraft

  • M. J. Barratt (a1)
Abstract

The wave drag of a Hovercraft is calculated as the horizontal force associated with a pressure distribution moving over the free water surface. A general formula is derived for the wave drag due to any pressure distribution moving over water of finite depth. This is then applied to rectangular and elliptical planform Hovercraft, and results are presented for a range of Froude numbers and water depths.

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References
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Havelock, T. H. 1932 The theory of wave resistance. Proc. Roy. Soc. A, 138 33948.
Hogben, N. 1964 An investigation of hovercraft wavemaking. Unpublished N.P.L. paper.
Lamb, H. 1926 On wave resistance. Proc. Roy. Soc. A, 111 1425.
Newman, J. N. & Poole, F. A. P. 1962 The wave resistance of a moving pressure distribution in a canal. Schiffstechnik, 9, no. 45.
Rayleigh, Lord 1883 The form of standing waves on the surface of running water. Proc. Lond. Math. Soc. 15, 69. (Also Sci. Papers, 2, 258.)
Watson, G. N. 1923 Theory of Bessel Functions. Cambridge University Press.
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Journal of Fluid Mechanics
  • ISSN: 0022-1120
  • EISSN: 1469-7645
  • URL: /core/journals/journal-of-fluid-mechanics
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