Velocity and Concentration field of discharge from a boat propeller
Situ, Rong, Brown, Richard J., & Loberto, Anthony (2009) Velocity and Concentration field of discharge from a boat propeller. In Szmyd, Janusz S., Spalek, J., & Kowalewski, T. A. (Eds.) ExHFT-7 7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics Proceedings, AGH University of Science and Technology Press, Krakow, Poland, p. 991.
Two-stroke outboard boat engines using total loss lubrication deposit a significant proportion of their lubricant and fuel directly into the water. The purpose of this work is to document the velocity and concentration field characteristics of a submerged swirling water jet emanating from a propeller in order to provide information on its fundamental characteristics. Measurements of the velocity and concentration field were performed in a turbulent jet generated by a model boat propeller (0.02 m diameter) operating at 1500 rpm and 3000 rpm. The measurements were carried out in the Zone of Established Flow up to 50 propeller diameters downstream of the propeller. Both the mean axial velocity profile and the mean concentration profile showed self-similarity. Further, the stand deviation growth curve was linear. The effects of propeller speed and dye release location were also investigated.
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|Item Type:||Conference Paper|
|Keywords:||Propeller, Swirl Jet, Turbulence, Concentration Field, Self-Similarity|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500)
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CLASSICAL PHYSICS (020300) > Fluid Physics (020303)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Mechanical Engineering not elsewhere classified (091399)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Water Quality Engineering (090508)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2009 AGH University of Science and Technology Press.|
|Copyright Statement:||All Rights Reserved
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|Deposited On:||25 Nov 2009 00:24|
|Last Modified:||29 Feb 2012 13:59|
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