Results 1 to 10 of about 465,570 (216)
Investigation on braking characteristics of dashpot for hydraulic operating circuit breaker
Braking characteristics of piston-dashpot system in a hydraulic operating device for circuit breaker was investigated by the measurement and numerical analysis.
Tohru YAMASHITA +3 more
doaj +2 more sources
Hydraulic performance of Continuous Flow Left Ventricular Assist Devices depends on their pressure head and flow rate relations. Hydraulic characteristics of these devices are expressed by pressure head and flow rate loops in a pulsatile environment as ...
Selim Bozkurt
doaj +2 more sources
Joint simulation and experimental verification of electromechanical-hydraulic of hydraulic excavator working device [PDF]
To rigorously evaluate the electromechanical-hydraulic coupling performance of a hydraulic excavator’s working device under authentic operating loads, this study presents a field-data-driven co-simulation framework applied to a 20-ton backhoe hydraulic ...
Mei Xin +6 more
doaj +2 more sources
Two driving systems in which a circuit breaker is driven synchronously and sequentially by two devices which are connected with relatively long hydraulic pipes were investigated.
Tohru YAMASHITA +4 more
doaj +3 more sources
Eigenfrequency of Hydraulic Systems of Loading Device
Eigenfrequency of hydraulic systems belongs to important dynamic quantities. If the excitation frequency of a given hydraulic system is equal to the system eigenfrequency, high-amplitude pressure and flow pulsations can arise. It has a negative influence
Vašina Martin +2 more
doaj +2 more sources
As an important component of the automatic hydraulic quick coupling device (AHQCD) on rescue vehicles, the hydraulic quick couplings (HQCs) are used to rapidly dock hydraulic lines and transport fluid while changing and operating hydraulic working tools.
Yuchao Liu +5 more
doaj +2 more sources
Designing Hydraulic Impact Devices for Low-Temperature Operation
Abstract The paper is devoted to the results of theoretical studying the hydraulic jackhammer operation under various temperature conditions and practical recommendations for their design and operation, considering the temperature factor.
R A Redelin, Y N Kamanin, A V Panichkin
openaire +1 more source
This article analyzes the prospects for using a combined hybrid solar photovoltaic and hydroelectric device and presents their characteristics and energy parameters. In particular, since the hydroelectric device consists of a counter-rotor hydraulic unit,
Oybek Bozarov +3 more
semanticscholar +1 more source
Research on transmission control method of tension tower hydraulic tension device based on PLC
Using the traditional method to control the transmission process of the tension tower hydraulic tightening device, there is a problem of slow speed step response in the range of device operating speed from 12km/h to 32km/h.
Jinghui Zhang +3 more
doaj +1 more source
Incorporation of Fluid Compressibility into the Calculation of the Stationary Mode of Operation of a Hydraulic Device at High Fluid Pressures [PDF]
This paper is concerned with assessing the correctness of applying various mathematical models for the calculation of the hydroshock phenomena in technical devices for modes close to critical parameters of the fluid. We study the applicability limits of the equation of state for an incompressible fluid (the assumption of constancy of the medium density)
Raeder, T. +2 more
openaire +2 more sources

