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Liao Xinmian, Dong Wenchu, Pan Lin, Yu Lifeng. Computational simulation of hydraulic characteristics for laminated sand filter[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2008, 24(8): 1-5.
Citation: Liao Xinmian, Dong Wenchu, Pan Lin, Yu Lifeng. Computational simulation of hydraulic characteristics for laminated sand filter[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2008, 24(8): 1-5.

Computational simulation of hydraulic characteristics for laminated sand filter

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  • Received Date: July 08, 2007
  • Revised Date: July 29, 2008
  • Published Date: August 30, 2008
  • Aiming at the problem of emitter jamming in micro-irrigation engineering, the optimal number of laminated sand filter was discussed with stated filter diameter, through abundant hydraulic characteristics tests and back flushing tests. Equations of hydraulic characteristics in sand filter lamination and formulas of filtrated head-loss are put forward in the study. The results of experiments show that the suggested formulas of filtrated head-loss are more precise than the former empirical formulas: the relative error is 3.18% with specified velocity. This study offers references for research and development of new types of sand filter.
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