• Title/Summary/Keyword: Smoothed Particle Hydro-Dynamics

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Smoothed Particle Hydro-dynamic Analysis of Improvement in Sludge Conveyance Efficiency of Screw Decanter Centrifuge (입자 완화 유체 동역학 해석 기법을 이용한 스크류 디켄터형 원심분리기의 슬러지 이송 효율 향상 분석)

  • Park, Dae Woong
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.39 no.3
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    • pp.285-291
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    • 2015
  • A centrifuge works on the principle that particles with different densities will separate at a rate proportional to the centrifugal force during high-speed rotation. Dense particles are quickly precipitated, and particles with relatively smaller densities are precipitated more slowly. A decanter-type centrifuge is used to remove, concentrate, and dehydrate sludge in a water treatment process. This is a core technology for measuring the sludge conveyance efficiency improvement. In this study, a smoothed particle hydro-dynamic analysis was performed for a decanter centrifuge used to convey sludge to evaluate the efficiency improvement. This analysis was applied to both the original centrifugal model and the design change model, which was a ball-plate rail model, to evaluate the sludge transfer efficiency.