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Pipe size effect on hydraulic transport of Jumoonjin sand: experiments in a dredging test loop
Lee, M.S.; Matousek, V.; Chung, C.K.; Lee, Y.N. (2005). Pipe size effect on hydraulic transport of Jumoonjin sand: experiments in a dredging test loop. Terra et Aqua (99): 3-10
In: Terra et Aqua: International Journal on Public Works, Ports and Waterways Developments. International Association of Dredging Companies (IADC): The Hague. ISSN 0376-6411, more
Peer reviewed article  

Available in  Authors 

    Dredging; Hydraulic engineering; Pipes; Marine

Authors  Top 
  • Lee, M.S.
  • Matousek, V.
  • Chung, C.K.
  • Lee, Y.N.

    The diameter of a slurry pipeline is an important factor in a design and an operation of a pipeline and pump system connected with a dredger. However, the effect of pipe diameter on the slurry flow behaviour (frictional head losses, specific energy consumption, deposition limit velocity) is not well understood. Moreover, there is a lack of experimental data that could be used to study the pipe size effect on slurry flow behavior and thus on efficiency of slurry transport operation. Recently, tests were carried out in the dredging test loop of Hyundai Institute of Construction Technology with an aim to collect information on the effect of pipe size on pipeline characteristics (I-V curves and specific energy curves) for aqueous slurries of the Jumoonjin sand (a medium to coarse sand with d 50 = 0.54 mm). The measurements were carried out in straight horizontal pipelines of three different diameters - 155 mm, 204 mm, 305 mm. The article describes and analyses results of these tests.

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