Hydraulic fracture propagation characteristics of directional perforation fracturing in horizontal wells for deep coalbed methane by Shuxin HUANG, Song LI, Bo CHEN

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Numerical Simulation and Sensitivity Analysis of Hydraulic Fracturing in Multilayered Thin Tight Sandstone Gas Reservoir by Hao Zhang, Yuhu Bai, Bingxiang Xu, Xulin Du, Shaohua Gai

“…When conventional hydraulic fracturing methods are applied to this kind of reservoir, it is hard to get proper fracture propagation, especially for fracture height control. …”
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Analysis and optimization of threaded shear energy absorbing components of collision resistance hydraulic support columns by Zuen Shang, Jiyang Meng, Qian Liu, Peng Yang, Xisheng Yu

Subjects: “…Anti-punching hydraulic support column…”
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Numerical and test study on dynamic characteristics of the tail beam of top coal caving hydraulic supports by WU Mingke, YANG Shanguo, WANG Yao, MENG Bin, YANG Zheng, LIU Houguang

“…In order to determine the sensitive vibration characteristic parameters of coal and gangue in the process of top coal caving and improve the intelligent identification accuracy of coal and gangue, the dynamic characteristics of the tail beam of the hydraulic support were studied. Firstly, the rigid-flexible coupling dynamic model of top coal caving hydraulic support and coal gangue was established, and the vibration acceleration of the tail beam of the hydraulic support in the process of coal caving was calculated. …”
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Research on Adaptive Friction Compensation of Digital Hydraulic Cylinder Based on LuGre Friction Model by Shouling Jiang, Kun Zhang, Hui Wang, Donghu Zhong, Jinpeng Su, Zengkai Liu

“…This paper aims to eliminate nonlinear friction from the performance of the digital hydraulic cylinder to enable it to have good adaptive ability. …”
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Design, Modeling, and Analysis of a Novel Hydraulic Energy-Regenerative Shock Absorber for Vehicle Suspension by Junyi Zou, Xuexun Guo, Lin Xu, Gangfeng Tan, Chengcai Zhang, Jie Zhang

“…In this paper, a novel hydraulic energy-regenerative shock absorber (HERSA) is developed for vehicle suspension to regenerate the vibration energy which is dissipated by conventional viscous dampers into heat waste. …”
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Time-Delayed Feedback Control of a Hydraulic Model Governed by a Diffusive Wave System by Boumediène Chentouf, Nejib Smaoui

“…This paper is concerned with the feedback flow control of an open-channel hydraulic system modeled by a diffusive wave equation with delay. …”
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Hydraulic-Hydrology Analysis of the Turbulent Seepage Flow within Karst Aquifer of the Golubinka Spring Catchment by Goran Lončar, Željko Šreng, Damir Bekić, Duška Kunštek

“…This paper shows the results of the hydraulic-hydrologic calculations of karst spring discharges and the groundwater level in the aquifer of spring catchment. …”
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One-Dimensional Large-Strain Nonlinear Consolidation of Overconsolidated Clays with a Threshold Hydraulic Gradient by Chuanxun Li, Jinyang Xiao, Yang Yang, Wenbing Wu

“…The existence of the threshold hydraulic gradient in clays under a low hydraulic gradient has been recognized by many studies. …”
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Validation of Hydraulic Mechanism during Blowout Trauma of Human Orbit Depending on the Method of Load Application by Marcin A. Zmuda Trzebiatowski, Paweł Kłosowski, Andrzej Skorek, Krzysztof Żerdzicki, Paweł Lemski, Mateusz Koberda

“…To investigate the correctness of the hydraulic mechanism’s theory, two different methods of implementation of the hydraulic load to the finite element method (FEM) model of the orbit were performed. …”
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Numerical Investigation of Hydraulic Fracture Propagation in Naturally Fractured Reservoirs Based on Lattice Spring Model by Kaikai Zhao, Pengfei Jiang, Yanjun Feng, Xiaodong Sun, Lixing Cheng, Jianwei Zheng

“…The geometry of the hydraulic fracture network (HFN) may have implications for the optimization of hydraulic fracturing operations. …”
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Influence of Ceramic Waste and Cement on the Mechanical and Hydraulic Properties, and Microstructure of the Road Sub-Base Layer by Sadek Deboucha, Hocine Ziani, Abderrachid Amriou, Walid Maherzi, Walid Deboucha

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THEORETICAL ANALYSIS OF INFLUENTIAL PARAMETERS TO COMPRESSION AND DECOMPRESSION PROCESS OF COMPRESSED OIL IN HYDRAULIC SYSTEMS OF THE PRESS by MILUTIN ŽIVKOVIĆ

“… Compressibility of hydraulic oil is very significant for large diameter cylinder presses, especially if they are exposed to high pressures. …”
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Determination of the influence of hydraulic load of centrifugal pump on coordinates of asynchronous frequency-controlled electric drive by O. A. Lysenko

“…In the work, transient processes of the coordinates of the electric drive are obtained under the influence of both the hydraulic load and the power supply. The influence of the hydraulic resistance of the pressure pipeline and static back pressure on the mechanical characteristic of the moment of resistance of the electric drive as a whole is shown. …”
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Neural Network Based Adaptive Backstepping Control for Electro-Hydraulic Servo System Position Tracking by Zhenshuai Wan, Longwang Yue, Yu Fu

“…The modeling uncertainties and external disturbances of electro-hydraulic servo system (EHSS) deteriorate the system’s trajectory tracking performance. …”
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Rock Fracture Response Exposed to Hydraulic Fracturing: Insight into the Effect of Injection Rate on Aperture Pattern by Bo Zhang, Xinyi Cui, Linjun Wang, Xiaodi Fu

“…Injection rate is critical to hydraulic fracturing operation, especially to the hydraulic fracture aperture, which affects the proppant and methane migration. …”
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Strength, Hydraulic, and Microstructural Characteristics of Expansive Soils Incorporating Marble Dust and Rice Husk Ash by Fazal E. Jalal, Sultani Mulk, Shazim Ali Memon, Babak Jamhiri, Ahsan Naseem

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On the potential of using nature-based technologies to improve the efficiency of blade hydro-machines by G. A. Kromm, A. V. Volkov, A. V. Ryzhenkov, V. Yu. Lyapin, E. S. Trushin

Subjects: “…hydraulic engineering…”
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Integral Nonsingular Terminal Sliding Mode Control of Hydraulic Servo Actuator Based on Extended State Observer by Zhenshuai Wan, Yu Fu

“…Hydraulic servo actuator always suffers from various disturbance and uncertainties, which makes it difficult to design a higher performance controller. …”
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Study on Dynamics of Hydraulic Control System for Automatic Loading and Unloading of Drill Pipe of Geological Drilling Rig by Zhijian Liu, Yunlong Chen, Hailong Ruan

“…The hydraulic control system is simulated by AMESim software. …”
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