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

Author:

Karpenko Mykola,Prentkovskis Olegas,Šukevičius Šarūnas

Abstract

Reliability and maintenance analysis of transport machines hydraulic drives, basically focused 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.

Publisher

Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne

Subject

Industrial and Manufacturing Engineering,Safety, Risk, Reliability and Quality

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