IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 35th IAHR Congress - Chengdu (2013) : THEME 5 - FLUVIAL HYDRAULICS AND RIVER MANAGEMENT : 3-D Flow Measurements of a Swirling Jet Induced by a Propeller by Using Piv
3-D Flow Measurements of a Swirling Jet Induced by a Propeller by Using Piv
Author : Hsieh Shih-Chun, Chiew Yee-Meng, Hong Jian-Hao and Cheng Nian-Sheng
The swirling jet induced by a ship propeller has attracted the attention of many researchers. This is because the high velocity generated by a ship propeller not only can damage the ferry\quay s tructure but also induce sediment suspension from the seabed. In order to improve the understanding of the swirling jet induced by a ship-propeller, particle image velocimetry (PIV) measurement technology is utilized to measure the 3-dimensional flow field downstream of a five-bladed propeller. Measurements of the mean flow field show that the axial component of the velocity has the biggest contribution to the overall velocity flow field and the second and third contributors are the tangential\transverse and r adial\vertical component of velocity, respectively. The decay of the maximum axial velocity and its position also are investigated and a new formula that describes this decay is proposed.
File Size : 2,353,792 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 35th IAHR Congress - Chengdu (2013)
Date Published : 18/07/2016
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