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Experimental investigation of coarse particles-water mixture flow in horizontal and inclined pipes

In: Journal of Hydrology and Hydromechanics, vol. 62, no. 3
Pavel Vlasák - Zdeněk Chára - Jan Krupička - Jiří Konfršt
Detaily:
Rok, strany: 2014, 241 - 247
Kľúčové slová:
Hydraulic pipelining; Coarse-grained slurry; Pressure drops; Pipe inclination; Concentration distribution.
URL originálneho zdroja: http://www.ih.savba.sk/jhh
O článku:
The effect of solid concentration and mixture velocity on the flow behaviour, pressure drops, and concentration distribution of coarse particle–water mixtures in horizontal, vertical, and inclined smooth stainless steel pipes of inner diameter D = 100 mm was experimentally investigated. Graded basalt pebbles were used as solid particles. The study revealed that the coarse-grained particle-water mixtures in the horizontal and inclined pipes were significantly stratified. The solid particles moved principally in a layer close to the pipe invert; however for higher and moderate flow velocities, particle saltation became the dominant mode of particle conveyance. Frictional pressure drops in the horizontal pipe were found to be markedly higher than in the vertical pipe, while the frictional pressure drops in the ascending pipe increased with inclination angle up to about 30°.
Ako citovať:
ISO 690:
Vlasák, P., Chára, Z., Krupička, J., Konfršt, J. 2014. Experimental investigation of coarse particles-water mixture flow in horizontal and inclined pipes. In Journal of Hydrology and Hydromechanics, vol. 62, no.3, pp. 241-247. 0042-790X (until 2019) .

APA:
Vlasák, P., Chára, Z., Krupička, J., Konfršt, J. (2014). Experimental investigation of coarse particles-water mixture flow in horizontal and inclined pipes. Journal of Hydrology and Hydromechanics, 62(3), 241-247. 0042-790X (until 2019) .