Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Three dimensional model for particle saltation close to stream beds, including a detailed description of the particle interaction with turbulence and inter-particle collisions

    Access Status
    Fulltext not available
    Authors
    Moreno, P.
    Bombardelli, F.
    Gonzalez, A.
    Calo, Victor
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Moreno, P. and Bombardelli, F. and Gonzalez, A. and Calo, V. 2011. Three dimensional model for particle saltation close to stream beds, including a detailed description of the particle interaction with turbulence and inter-particle collisions, in Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress, pp. 2075-2084.
    Source Title
    Bearing Knowledge for Sustainability - Proceedings of the 2011 World Environmental and Water Resources Congress
    DOI
    10.1061/41173(414)217
    ISBN
    9780784411735
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/51457
    Collection
    • Curtin Research Publications
    Abstract

    We present in this paper a new three-dimensional (3-D) model for bed-load sediment transport, based on a Lagrangian description. We analyze generalized sub-models for the velocities after collision and the representation of the bed-roughness. The free-flight sub-model includes the effect of several forces, such as buoyancy, drag, virtual mass, lift, Basset and Magnus, and also addresses the particle rotation. A recent methodology for saving computational time in the Basset force is also employed. The sub-models for the post-collision velocity and rotation are based on the conservation of linear and angular momentum during the collision with the bed. We develop a new 3-D representation for the bed roughness by using geometric considerations. In order to address the interaction of particles with the turbulent flow, we tracked the particles through a computed turbulent velocity field for a smooth flat plate. This velocity field was used as a surrogate of the 3-D turbulent conditions close to the bed in streams. We first checked that the basic turbulence statistics for this velocity field could be used to approximate those in an open-channel flow. We then analyzed the interaction of the sediment and the turbulence for a single and multiple particles. We compared numerical results with experimental data obtained by Niño and García (1998b). We show that model predictions are in good agreement with existing data, in the sand size range. © 2011 ASCE.

    Related items

    Showing items related by title, author, creator and subject.

    • A review on determination of particle–bubble encounter using analytical, experimental and numerical methods
      Hassanzadeh, A.; Firouzi, M.; Albijanic, Boris; Celik, M. (2018)
      This paper provides a comprehensive critical review of available studies on analytical and numerical modeling including computational fluid dynamics (CFD), as well as experimental approaches to determine the particle–bubble ...
    • Modelling and simulation of carbon-in-leach circuits
      Wadnerkar, Divyamaan (2013)
      A CIL circuit is a process of continuous leaching of gold from ore to liquid using a counter-current adsorption of gold from liquid to carbon particles in a series of tanks. It concentrates gold from 2.5-3.5 g/t in ore ...
    • Incorporating liberation information in flotation models
      Subasinghe, Nimal; Zhang, J.; Dunne, Robert (2016)
      © 2016 TAPPI Press. All rights reserved. Flotation of a mineral bearing particle is the result of successful completion of a chain of events, such as, producing particles with sufficient exposure of the valuable mineral ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.