Results 11 to 20 of about 547,522 (314)

Flow parameters effect on water hammer stability in hydraulic system by using state-space method

open access: yesOpen Engineering, 2022
The water hammer (WH) phenomenon is one of the most dangerous phenomena in hydraulic systems, especially pipelines, gates, and locks on these lines. There are many analytical solutions to deal with the WH phenomenon, including the treatment of friction ...
Al-Khayat Rasha Hayder   +3 more
doaj   +1 more source

High quality InSAR data linked to seasonal change in hydraulic head for an agricultural area in the San Luis Valley, Colorado [PDF]

open access: yes, 2011
In the San Luis Valley (SLV), Colorado legislation passed in 2004 requires that hydraulic head levels in the confined aquifer system stay within the range experienced in the years 1978–2000.
Agram, Piyush Shanker   +5 more
core   +1 more source

SENSORS FAULT DIAGNOSIS ALGORITHM DESIGN OF A HYDRAULIC SYSTEM [PDF]

open access: yesActa Electrotechnica et Informatica, 2017
This article presents the sensors fault diagnosis system design for the hydraulic system, which is based on the group of the three fault estimation filters. These filters are used for estimation of the system states and sensors fault magnitude.
Matej ORAVEC, Anna JADLOVSKÁ
doaj   +1 more source

Systemic knowledge management in hydraulic systems: II. Application to hydraulic systems [PDF]

open access: yesJournal of Hydroinformatics, 2003
‘Systemic knowledge management’, presented in Paper I as a problem-solving methodology, is applied to hydraulic systems here in Paper II. The generic context of hydraulic systems is interrelated to a body of similar developments in science and technology through the concept of paradigms. The systemic component of this problem-solving method integrates ‘
openaire   +1 more source

Study of Error Flow for Hydraulic System Simulation Models for Construction Machinery Based on the State-Space Approach

open access: yesActuators, 2023
This study presents an error flow research method for simulation models of hydraulic systems in construction machinery based on the state-space approach, aiming to ensure the reliable application of digital twin models.
Deying Su   +5 more
doaj   +1 more source

Theoretical Design of a Novel Vibration Energy Absorbing Mechanism for Cables

open access: yesApplied Sciences, 2020
A novel design of a vibration energy absorbing mechanism (VEAM) that is based on multi-physics (magnetic spring, hydraulic system, structural dynamics, etc.) for cable vibration is proposed.
Zhen Qin   +4 more
doaj   +1 more source

HYDRAULIC SYSTEM MAINTENANCE [PDF]

open access: yesMisr Journal of Agricultural Engineering, 2008
Any problem in a hydraulic system in any hydraulic equipment, while working, may decrease the investment to outweigh the cost of maintenance or reconstruction. The hydraulic cylinder is a main component in the hydraulic systems. In most cases of forced stop, the equipment malfunctions in the hydraulic cylinder and its components.
M.A. El-Sheikha   +2 more
openaire   +1 more source

Research of deformation of valve throttling characteristics under gravitational influence in hydraulic systems

open access: yesBudownictwo o Zoptymalizowanym Potencjale Energetycznym, 2019
Control valve operation influences the efficiency of hydraulic systems. The deformation of the throttling characteristics in control valves by hydraulic resistances in a single-circuit regulated circuit is well studied.
Viktor Mileikovskyi
doaj   +1 more source

Optimal hydropower potential assessment in semi-arid regions

open access: yesInternational Journal of Renewable Energy Development
While hydropower is a cornerstone of global renewable energy strategies, its development in semi-arid regions remains insufficiently explored. Limited and highly variable water availability often discourages comprehensive assessments of its potential. In
Imane El Kasimi   +4 more
doaj   +1 more source

Dynamic characteristics simulation of hydraulic system of pushing mechanism under multiple factors influence

open access: yesGong-kuang zidonghua, 2016
According to working environment of hydraulic system of pushing mechanism of coal plough and convey unit, a simulation model of the hydraulic system was built in AMESim hydraulic simulation software.
WANG Yaohui
doaj   +1 more source

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