Mass transfer in vertical liquid-solids flow of coarse particles
Само за регистроване кориснике
2009
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Wall-to-bed mass transfer in the hydraulic transport of spherical glass particles was studied. The experiments were performed by transporting spherical glass particles 1.20, 1.94 and 2.98 mm in diameter with water in a 25.4 mm I.D. tube. The mass transfer coefficients were determined by following rate of dissolution of a segment of the transport tube prepared from benzoic acid. In the runs in hydraulic transport, the Reynolds number of the tube varied between 1826 and 27597. The loading ratio (G(p)/G(f)) was between 0.026 and 0.474, and the fluid superficial velocity was between 0.267.U-t and 4.904.U-t where U-t represents the single particle terminal velocity. For these ratios, the voidage ranged from 0.7123 to 0.9228. Also, wall-to-bed mass transfer in the single phase flow regime was Studied. In the runs without particles, the Reynolds number of the tube varied between 122 and 39132. The data for the mass transfer factor (j(D)) in single phase flow are correlated for turbulent flow ...regime, using the Chilton-Colburn's type equations, j(D)=f(Re). Those investigations were conducted in aim to compare with results for wall-to-bed mass transfer in hydraulic transport. The data for wall-to-bed mass transfer (j(D)) in hydraulic transport of spherical particles were correlated by treating the flowing fluid-particle suspension as a pseudofluid, by introducing a modified suspension-wall friction coefficient (f(w)) and a modified Reynolds number (Re-m). The data for wall-to-bed mass transfer in the hydraulic transport of particles show that all analogy between mass and momentum transfer exists.
Кључне речи:
Mass transfer / Flow pattern / Vertical liquid-solids flowИзвор:
Powder Technology, 2009, 189, 1, 130-136Издавач:
- Elsevier Science Bv, Amsterdam
Финансирање / пројекти:
- Research Council of Serbia
DOI: 10.1016/j.powtec.2008.06.010
ISSN: 0032-5910
WoS: 000263015600020
Scopus: 2-s2.0-57749113615
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Garić-Grulović, Radmila AU - Grbavčić, Željko AU - Bošković-Vragolović, Nevenka AU - Arsenijević, Zorana PY - 2009 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1511 AB - Wall-to-bed mass transfer in the hydraulic transport of spherical glass particles was studied. The experiments were performed by transporting spherical glass particles 1.20, 1.94 and 2.98 mm in diameter with water in a 25.4 mm I.D. tube. The mass transfer coefficients were determined by following rate of dissolution of a segment of the transport tube prepared from benzoic acid. In the runs in hydraulic transport, the Reynolds number of the tube varied between 1826 and 27597. The loading ratio (G(p)/G(f)) was between 0.026 and 0.474, and the fluid superficial velocity was between 0.267.U-t and 4.904.U-t where U-t represents the single particle terminal velocity. For these ratios, the voidage ranged from 0.7123 to 0.9228. Also, wall-to-bed mass transfer in the single phase flow regime was Studied. In the runs without particles, the Reynolds number of the tube varied between 122 and 39132. The data for the mass transfer factor (j(D)) in single phase flow are correlated for turbulent flow regime, using the Chilton-Colburn's type equations, j(D)=f(Re). Those investigations were conducted in aim to compare with results for wall-to-bed mass transfer in hydraulic transport. The data for wall-to-bed mass transfer (j(D)) in hydraulic transport of spherical particles were correlated by treating the flowing fluid-particle suspension as a pseudofluid, by introducing a modified suspension-wall friction coefficient (f(w)) and a modified Reynolds number (Re-m). The data for wall-to-bed mass transfer in the hydraulic transport of particles show that all analogy between mass and momentum transfer exists. PB - Elsevier Science Bv, Amsterdam T2 - Powder Technology T1 - Mass transfer in vertical liquid-solids flow of coarse particles EP - 136 IS - 1 SP - 130 VL - 189 DO - 10.1016/j.powtec.2008.06.010 ER -
@article{ author = "Garić-Grulović, Radmila and Grbavčić, Željko and Bošković-Vragolović, Nevenka and Arsenijević, Zorana", year = "2009", abstract = "Wall-to-bed mass transfer in the hydraulic transport of spherical glass particles was studied. The experiments were performed by transporting spherical glass particles 1.20, 1.94 and 2.98 mm in diameter with water in a 25.4 mm I.D. tube. The mass transfer coefficients were determined by following rate of dissolution of a segment of the transport tube prepared from benzoic acid. In the runs in hydraulic transport, the Reynolds number of the tube varied between 1826 and 27597. The loading ratio (G(p)/G(f)) was between 0.026 and 0.474, and the fluid superficial velocity was between 0.267.U-t and 4.904.U-t where U-t represents the single particle terminal velocity. For these ratios, the voidage ranged from 0.7123 to 0.9228. Also, wall-to-bed mass transfer in the single phase flow regime was Studied. In the runs without particles, the Reynolds number of the tube varied between 122 and 39132. The data for the mass transfer factor (j(D)) in single phase flow are correlated for turbulent flow regime, using the Chilton-Colburn's type equations, j(D)=f(Re). Those investigations were conducted in aim to compare with results for wall-to-bed mass transfer in hydraulic transport. The data for wall-to-bed mass transfer (j(D)) in hydraulic transport of spherical particles were correlated by treating the flowing fluid-particle suspension as a pseudofluid, by introducing a modified suspension-wall friction coefficient (f(w)) and a modified Reynolds number (Re-m). The data for wall-to-bed mass transfer in the hydraulic transport of particles show that all analogy between mass and momentum transfer exists.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Powder Technology", title = "Mass transfer in vertical liquid-solids flow of coarse particles", pages = "136-130", number = "1", volume = "189", doi = "10.1016/j.powtec.2008.06.010" }
Garić-Grulović, R., Grbavčić, Ž., Bošković-Vragolović, N.,& Arsenijević, Z.. (2009). Mass transfer in vertical liquid-solids flow of coarse particles. in Powder Technology Elsevier Science Bv, Amsterdam., 189(1), 130-136. https://doi.org/10.1016/j.powtec.2008.06.010
Garić-Grulović R, Grbavčić Ž, Bošković-Vragolović N, Arsenijević Z. Mass transfer in vertical liquid-solids flow of coarse particles. in Powder Technology. 2009;189(1):130-136. doi:10.1016/j.powtec.2008.06.010 .
Garić-Grulović, Radmila, Grbavčić, Željko, Bošković-Vragolović, Nevenka, Arsenijević, Zorana, "Mass transfer in vertical liquid-solids flow of coarse particles" in Powder Technology, 189, no. 1 (2009):130-136, https://doi.org/10.1016/j.powtec.2008.06.010 . .