The decay of maximum velocity within the initial stages of a propeller wash

The velocity characteristics of the submerged jet produced by a rotating ship propeller are described in terms of the maximum velocity measured on the propeller plane. Detailed measurements of velocities have been taken in the zone of the wash close to the propeller. The maximum velocity has been fo...

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Veröffentlicht in:	Journal of hydraulic research 1993-01, Vol.31 (5), p.605-613
Hauptverfasser:	Hamill, G. A., Johnston, H. T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied fluid mechanics Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) Hydrodynamics, hydraulics, hydrostatics Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The velocity characteristics of the submerged jet produced by a rotating ship propeller are described in terms of the maximum velocity measured on the propeller plane. Detailed measurements of velocities have been taken in the zone of the wash close to the propeller. The maximum velocity has been found to decay with distance from the propeller source. The maximum velocity in the zone of formation of the propeller jet has been shown to depend upon the efflux velocity and the blade area ratio for the propeller.
ISSN:	0022-1686 1814-2079
DOI:	10.1080/00221689309498774