Hydraulic Device for Simulation of Pressure Shocks [PDF]
This work is focused on the design of a hydraulic device on which simulations of pressure shocks can be performed. The hydraulic device was constructed to allow simulations of pressure shocks transferred directly in operating conditions because ...
Lindák Stanislav +4 more
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Pressure, Flow Rate and Operating Speed Characteristics of a Continuous Flow Left Ventricular Assist Device During Varying Speed Support [PDF]
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 +3 more sources
Eigenfrequency of Hydraulic Systems of Loading Device [PDF]
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
Evaluating the relationship of parameters hydraulic impact device and its drive [PDF]
The article deals with some questions about the influence of drive parameters on the characteristics of hydraulic shock devices, noted during the analysis of the results of mathematical modeling. Using mathematical modeling, numerical experiments were
Volkov N.N. +4 more
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Characterization of Hydraulic Power in Free-Stream Installations [PDF]
The performance of open-channel hydropower devices can be optimized by maximizing the product of their load, hydraulic, and generator efficiencies. The maximum hydraulic power theoretically available must be defined according to the operational scenario ...
Olivier Cleynen +2 more
doaj +2 more sources
OPTIMAL SYNTHESIS OF DRIVE SWING CONNECTIONS OF MOBILE CRANES HYDRAULIC MANIPULATING SYSTEMS [PDF]
The design, operation features and the optimal design method for the drive swing connections are considered. These are proposed as an alternative design variant of the articulation of adjacent links of hydraulic manipulation systems of mobile boom cranes
A. V. Lagerev, I. A. Lagerev
doaj +3 more sources
Innovative Implantable Left Ventricular Assist Device—Performance under Various Resistances and Operating Frequency Conditions [PDF]
This paper presents the operation of an innovative left ventricular assist device under various resistances and operating frequencies. The operating principle of the device is based on pulsatile blood flow, which is forced by a suction–discharge device ...
Ryszard Jasinski +3 more
doaj +2 more sources
Design of a Hydraulic Motor System Driven by Compressed Air [PDF]
This paper presents the design of a highly efficient pneumatic motor system. The air engine is currently the most generally used device to convert potential energy of compressed air into mechanical energy.
Jyun-Jhe Yu, Dein Shaw, Cheng Chieh
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Linear Speed Regulation Design of Three-platform Operating Device Based on PWM Control for Catenary Overhaul Vehicle [PDF]
In view of the defect that the existing imported three-platform operation device of DPT catenary overhaul vehicle can only operate at constant speed, it adopted PWM control technology to develop a domestic self-developed system with adjustable operation ...
NIU Xuexin +3 more
doaj +2 more sources
Free Vibration Analysis of Hydraulic Quick Couplings Considering Fluid–Structure Interaction Characteristics [PDF]
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

