Results 21 to 30 of about 96,399 (264)
Eigenfrequency of Hydraulic Systems of Loading Device
EPJ Web of Conferences, 2016 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
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Research on Interdependence between Specific Rock Cutting Energy and Specific Drilling Energy
Applied Sciences, 2023 A method based on extensive laboratory and field measurements was developed to determine the dependence of specific rock cutting energy (SEc) on specific drilling energy (SEd) for machines with different operating and design characteristics and similar ...
Davor Antoljak +3 more
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High - speed power hydraulic actuator of reciprocating motion [PDF]
E3S Web of Conferences, 2023 As an object of research in this paper, we use a hydro-mechanical system of high-speed technological equipment with reciprocating movement of the output link on the example of a cyclic perforating press hammer with a force of 1600 kN and a speed of up to
Golubeva Olesya +2 more
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Hydraulic Modeling of a Mixed Water Level Control Hydromechanical Gate [PDF]
, 2011 This article describes the hydraulic behavior of a mixed water level control hydromechanical gate present in several irrigation canals. The automatic gate is termed "mixed" because it can hold either the upstream water level or the downstream water level
Bos M. +9 more
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Advanced Exergy Analysis in the Dynamic Framework for Assessing Building Thermal Systems [PDF]
, 2019 This work applies the Dynamic Advanced Exergy Analysis (DAEA) to a heating and domestic hot water (DHW) facility supplied by a Stirling engine and a condensing boiler. For the first time, an advanced exergy analysis using dynamic conditions is applied to
Picallo-Perez, Ana +3 more
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Nihon Kikai Gakkai ronbunshu, 2016 Stability of a hydraulic operation stabilization system during valve returning motion was investigated by the measurement and numerical analysis of the hydraulic circuit.
Tohru YAMASHITA +4 more
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Nihon Kikai Gakkai ronbunshu, 2015 A hydraulic operation stabilizing system was developed for a hydraulic operating mechanism of a gas circuit breaker (GCB). Air bubbles and cavities, created in hydraulic fluid by the movement of the operating mechanism, have an effect on the movement of ...
Tohru YAMASHITA +4 more
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Regularities of hydromechanical amber extraction from sandy deposits [PDF]
, 2019 Purpose is to analyze the efficiency of hydromechanical amber extraction from sandy deposits relying upon the determined regularities concerning the effect of parameters while carrying out a series of laboratory tests and full-scale experiments. Methods.
Khrystyuk, A +5 more
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Construction of a Bearing Testing Apparatus to Assess Lifetime of Large-Scale Bearings
Communications, 2009 This article discusses steps towards the design, construction and production of a device used for lifetime assessment of large-scale bearings. The machine is reviewed as a mechatronic entity, comprised of three parts - mechanical, electro technical and ...
Slavomir Hrcek +4 more
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A new test methodology based on structural resonance for mode I fatigue delamination growth in an unidirectional composite [PDF]
, 2013 A specific device has been set up to test by vibration resonance the mode I fatigue delamination growth onset of composite laminates. This test system, based on the DCB test specimen, is a mass-spring-specimen dynamic system designed to resonate.
Fressinet, Mathieu +4 more
core +4 more sources