Hostname: page-component-7479d7b7d-jwnkl Total loading time: 0 Render date: 2024-07-10T18:27:24.714Z Has data issue: false hasContentIssue false

Two-dimensional planing at high Froude number

Published online by Cambridge University Press:  28 March 2006

E. Cumberbatch
Affiliation:
Department of Mathematics, University of Manchester

Abstract

This paper examines the flow characteristics of a body of small slope planing at high Froude number over a water surface. An equation is obtained relating the slope of the planing surface to an integral containing the pressure distribution on the planing surface. The equation is expanded for large Froude number and a solution is obtained by an iteration process. At each stage of the iteration process the integral equation of ordinary thin aerofoil theory is solved. The pressure distribution on the planing surface is derived as a series in inverse powers of the Froude number F, as far as the F−4 term. Computations are performed for the planing of a flat plate, a parabolic surface, and a suitable linear combination of these shapes which results in a flow without a splash at the leading edge.

Type
Research Article
Copyright
© Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Jahnke, E. & Emde, F. 1945 Tables of Functions, 4th Ed. New York: Dover.
Lamb, H. 1932 Hydrodynamics, 6th Ed. Cambridge University Press.
Maruo, H. 1951 Proc. 1st Japan Nat. Congress for Appl. Mech., p. 409.
Squire, H. B. 1957 Proc. Roy. Soc. A, 243, 48.
Tricomi, F. G. 1957 Integral Equations, 1st Ed. New York: Interscience.
Wagner, H. 1932 Z. Angew. Math. Mech. 12, 193.