DESIGN CALCULATION OF THE PIPELINE SYSTEMS FOR HYDROMECHANIZATION TECHNOLOGIES WHEN STEEL PIPES ARE REPLACED BY THE POLYETHYLENE ONES
- Деталі
- Батьківська категорія: Геотехнічна механіка, 2015
- Категорія: Збірник наукових праць "Геотехнічна механіка" Випуск-120
UDC622.648.01-9:621.643.29
Authors:
Semenenko Ye.V.,D. Sc. (Tech.), Senior Researcher
(IGTM NAS of Ukraine)
Nykyforova N.А., Ph.D. (Tech), Associate Professor
(NМеtАU)
Tatarko L. G., M.Sc. (Tech.)
(USUCT)
Abstract:
Subject of the research is discharge-pressure characteristics of main lines in the pipeline systems consisting of sections of steel and polyethylene pipes and referred to the hydromechanization technologies. Purpose of the research is to elaborate a method for calculating designs of such pipeline systems for hydrotransporting polydisperse materials comprising of particles with different density. The paper presents formulas for calculating a pipeline critical diameter and hydraulic gradient when velocity of water and slurry flow is overcritical depending on transported material parameters, pipeline diameter, material of pipes and length and geodesic slope of the main line sections. Influence between length of the polyethylene pipe section and hydraulic gradients caused by presence of particles of different fractions in the transported material was investigated.
Keywords:
hydraulic gradient, critical velocity, polyethylene pipes.
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About the authors:
SemenenkoYevgeniy Vladimirovich, Doctor of Technical Sciences (D.Sc), Senior Researcher, Senior Researcher at the M.S. Polyakov Institute of Geotechnical Mechanics under the National Academy of Sciences of Ukraine (IGTM, NASU), Dniepropetrovsk, Ukraine, Ця електронна адреса захищена від спам-ботів. вам потрібно увімкнути JavaScript, щоб побачити її.
NykyforovaNinaAnatoliyevna,Candidate of Technical Sciences (Ph.D.), Associate Professor, National Metallurgical Academy of Ukraine (NMetAU), Dniepropetrovsk, Ukraine, Ця електронна адреса захищена від спам-ботів. вам потрібно увімкнути JavaScript, щоб побачити її.
Tatarko Larisa Gavrilovna, Master of Science, Ukrainian State University of Chemical Technology (USUCT), Dnieropetrovsk, Ukraine, Ця електронна адреса захищена від спам-ботів. вам потрібно увімкнути JavaScript, щоб побачити її.