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Proceedings Paper

Inverted simulation of gravity plumes
Author(s): Adrian Wing-Keung Law; - Herlina; Chien Cheah Selina Lee
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Paper Abstract

An experimental study was conducted to investigate the velocity characteristics of inclined gravity plumes. Two slope angles, 20 and 40 degrees, were examined. The velocity measurements were performed with Digital Particle Image Velocimetry through a proper matching of the refractive index of the effluent and the ambient water. The simulations were conducted in an inverted manner to reduce the amount of ethanol required for the refractive index matching. Results show that the centerline U-velocity profiles in the free mixing region follows a similarity curve after approximately 30d. The normal spreading of the plume increase when the slope increases. On the other hand, a wider lateral spread occurs when the sloping angle decreases.

Paper Details

Date Published: 13 June 2001
PDF: 6 pages
Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); doi: 10.1117/12.429609
Show Author Affiliations
Adrian Wing-Keung Law, Nanyang Technological Univ. (Singapore)
- Herlina, Nanyang Technological Univ. (Singapore)
Chien Cheah Selina Lee, Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4317:
Second International Conference on Experimental Mechanics
Fook Siong Chau; Chenggen Quan, Editor(s)

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