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Solids transport formula in predictive model for pipe flow of slurry above deposit
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SYSNO ASEP 0354723 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Solids transport formula in predictive model for pipe flow of slurry above deposit Tvůrce(i) Matoušek, Václav (UH-J) ORCID, SAI, RID Zdroj.dok. Particulate Science and Technology. - : Taylor & Francis - ISSN 0272-6351
Roč. 29, č. 1 (2011), s. 89-106Poč.str. 18 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova bed friction ; pipeline ; pressure drop ; sediment transport ; slurry flow ; stationary bed Vědní obor RIV BK - Mechanika tekutin CEP GA103/09/0383 GA ČR - Grantová agentura ČR CEZ AV0Z20600510 - UH-J (2005-2011) UT WOS 000286816800009 DOI 10.1080/02726351.2010.510549 Anotace 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. Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2011
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