Research on high-pressure hose with repairing fitting and influence on energy parameter of the hydraulic drive

被引：0
|
作者：
Karpenko M. [1 ]
Prentkovskis O. [1 ]
Šukevičius Š. [1 ]
机构：
[1] Vilnius Gediminas Technical University, Department of Mobile Machinery and Railway Transport, Plytinės st. 27, Vilnius
来源：
Eksploatacja i Niezawodnosc | 2022年 / 24卷 / 01期
关键词：
CFD; Energy; Fitting; Fluid flow; High-pressure hose; Hydraulic system; Maintenance; Numerical modeling; Pipeline;
D O I：
10.17531/ein.2022.1.4
中图分类号：
学科分类号：
摘要：
Reliability and maintenance analysis of transport machines hydraulic drives, basically fo-cused to power units: pumps, cylinders etc., without taking in to account junction elements. Therefore, this paper proposes a research analysis on high-pressure hoses and junctions during technical maintenance. Comparative analysis of fluid behavior and energy efficiency inside non-repaired and repaired high-pressure hoses is presented in this research. Theoretical and experimental research results for hydraulic processes inside high-pressure hose is based on the numerical simulations using Navier–Stokes equations and experimental measurement of fluid flow pressure inside high-pressure hoses. Research of fluid flow dynamics in the hydraulic system was made with main assumptions: system flow rate in the range from 5 to 100 l/min, diameter of the hoses and repairing fitting are 3/8". The pressure drops, power losses, flow coefficients at non-repaired and after maintenance hose was obtained as a result. Simulation results were verified by running physical experiments to measure the pressure losses. © 2022, Polish Academy of Sciences Branch Lublin. All rights reserved.
引用
收藏
页码：25 / 32
页数：7
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