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Solids transport formula in predictive model for pipe flow of slurry above deposit

  1. 1.
    0354723 - ÚH 2011 RIV US eng J - Článek v odborném periodiku
    Matoušek, Václav
    Solids transport formula in predictive model for pipe flow of slurry above deposit.
    Particulate Science and Technology. Roč. 29, č. 1 (2011), s. 89-106. ISSN 0272-6351. E-ISSN 1548-0046
    Grant CEP: GA ČR GA103/09/0383
    Výzkumný záměr: CEZ:AV0Z20600510
    Klíčová slova: bed friction * pipeline * pressure drop * sediment transport * slurry flow * stationary bed
    Kód oboru RIV: BK - Mechanika tekutin
    Impakt faktor: 0.545, rok: 2011

    A solids transport formula is an important component of a predictive model for pipe flows of settling slurries at low velocities for which a plane stationary bed is formed at the bottom of the pressurized pipe. An analysis of experiments for 11 different solids fractions suggested that the transport formula of the MPM (Meyer-Peter and Müller) type is appropriate for relating the solids discharge with the flow conditions in a pipe provided that the empirical coefficients of the MPM equation are not considered constant. The structure of the transport formula is discussed and its validity tested in the light of the new experimental results. Recent experiments in the laboratory circuit with a pipe of the inner diameter of 100 mm were carried out for three different fractions of sand. The tests confirmed that the formula holds well from relatively fine to very coarse settling slurries flowing above eroded deposit in pressurized pipes.
    Trvalý link: http://hdl.handle.net/11104/0193663

     
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