Showing 721 - 740 results of 1,483 for search '"Hydraulics"', query time: 0.11s Refine Results
  1. 721

    Energy Efficiency of Rotor Application in Cyclone Dust Collector by V. V. Kuzmin

    Published 2004-10-01
    “…The results of experimental investigations of hydraulic resistance and specific energy consumption for purification of gas flow in a new cyclone design are given in the paper.…”
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    Article
  2. 722

    The analysis of temperature regime of low-speed stage with change in ratio of time and return stroke of piston by V. L. Yusha, S. S. Busarov, A. V. Nedovenchany

    Published 2018-12-01
    “…The paper presents theoretical studies on the control of a linear hydraulic drive by changing the ratio of compression time (forward stroke) and suction time (return stroke). …”
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    Article
  3. 723

    Well Performance Simulation and Parametric Study for Different Refracturing Scenarios in Shale Reservoir by Jing Huang, Lan Ren, Jinzhou Zhao, Zhiqiang Li, Junli Wang

    Published 2018-01-01
    “…Three years after production is determined to be the optimum time for refracturing based on the evolution analysis of reservoir pressure, effective stress, fracture permeability, and gas recovery. The role that the hydraulic fracture conductivity and hydraulic fracture half-length play in gas production for different refracturing cases is explored. …”
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    Article
  4. 724

    Numerical Simulation of Shear Behavior and Permeability Evolution of Rock Joints with Variable Roughness and Infilling Thickness by Jingyi Cheng, Hongwei Zhang, Zhijun Wan

    Published 2018-01-01
    “…The mechanical properties and permeability evolution of sand-infilled rock joints during the shear process is an important issue in rock engineering, such as it pertains to hydraulic fractures filled with proppant. Shear can disrupt the preexisting hydraulic and mechanical equilibrium conditions, thus affecting fluid flow. …”
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    Article
  5. 725

    A Semianalytical Model for Multiple-Fractured Horizontal Wells with SRV in Tight Oil Reservoirs by Jiahang Wang, Xiaodong Wang, Wenxiu Dong

    Published 2017-01-01
    “…One novelty of this model is to consider the nonlinear flow around hydraulic fracture tips. The other novelty is the ability to model the shape of the SRV, production behavior of different fractures, and interfaces. …”
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    Article
  6. 726

    Brittleness Evaluation of Shale Based on the Brazilian Splitting Test by Bing Hou, Yijin Zeng, Meng Fan, Dandan Li

    Published 2018-01-01
    “…Brittleness is an important mechanical parameter of shale reservoirs and has a significant effect on hydraulic fracturing. Traditional evaluation methods of shale brittleness are mainly based on complete stress-strain curves under compressive loading, which can barely describe the fracture characteristics of shale during hydraulic fracturing. …”
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    Article
  7. 727
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  11. 731

    Fuzzy Terminal Sliding Mode Control with Compound Reaching Law and Time Delay Estimation for HDU of Legged Robot by Kaixian Ba, Bin Yu, Yaliang Liu, Zhengguo Jin, Zhengjie Gao, Junxiao Zhang, Xiangdong Kong

    Published 2020-01-01
    “…Hydraulic drive mode enables legged robots to have excellent characteristics, such as greater power-to-weight ratios, higher load capacities, and faster response speeds than other robots. …”
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    Article
  12. 732

    Prediction of Fracture Evolution and Groundwater Inrush from Karst Collapse Pillars in Coal Seam Floors: A Micromechanics-Based Stress-Seepage-Damage Coupled Modeling Approach by Yinlong Lu, Bingzhen Wu, Mengqi He, Lianguo Wang, Dan Ma, Zhen Huang

    Published 2020-01-01
    “…A reduction in the distance between the working face and a KCP and increases in the confined hydraulic pressure and the initial water-conducting height of the KCP can significantly increase the risk of groundwater inrush from the KCP.…”
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  13. 733

    Experimental Investigation on the Mixture Ratio and Diffusion Performance of Grouting Materials for Water Bursting Prevention in Coal Mines by Huiqing Lian, Haiyang Yi, Zhenxue Dai, Junwen Yang, Zhenxing Ji, Ruigang Han, Lu Meng, Yi Yang

    Published 2021-01-01
    “…Furthermore, the diffusion experiments of optimized grout material were designed taking into account the influence of confining and hydraulic pressure in the porous medium. As a result, the confining and hydraulic pressures have a linear negative correlation with the diffusion distance of grout materials. …”
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    Article
  14. 734

    Desain Transmisi Hidrostatik untuk Roda Penggerak pada Mobil Terbang by Faiz Akbar Pradipta, Mohammad Adhitya

    Published 2024-10-01
    “…The Hydrostatic Transmission (HT) system is a flexible transmission that uses a hose to connect hydraulic pump, which is coupled to the engine, to hydraulic motor, which is coupled to the wheel. …”
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  15. 735

    Numerical Investigation of the Internal Flow in a Banki Turbine by Jesús De Andrade, Christian Curiel, Frank Kenyery, Orlando Aguillón, Auristela Vásquez, Miguel Asuaje

    Published 2011-01-01
    “…The paper refers to the numerical analysis of the internal flow in a hydraulic cross-flow turbine type Banki. A 3D-CFD steady state flow simulation has been performed using ANSYS CFX codes. …”
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    Article
  16. 736

    Variational analysis for simulating free-surface flows in a porous medium by Shabbir Ahmed, Charles Collins

    Published 2003-01-01
    “…The solution generates time-varying hydraulic heads in the subsurface. The interfacing free surface between the unsaturated and saturated zones in the variably saturated domain is located, based on the computed hydraulic heads. …”
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  17. 737

    Effect of Seepage Force on the Wellbore Breakdown of a Vertical Wellbore by Desheng Zhou, Haiyang Wang, Yafei Liu, Shun Liu, Xianlin Ma, Wenbin Cai, Hai Huang

    Published 2021-01-01
    “…However, the seepage force is normally ignored in the analysis of wellbore fracturing during hydraulic fracturing operation. In this paper, an analytical model for seepage force around a vertical wellbore is presented based on linear elasticity theory, and the effect of the seepage force on wellbore breakdown has been analyzed. …”
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    Article
  18. 738

    Modelling of Heat Transfer Phenomena for Vertical and Horizontal Configurations of In-Pool Condensers and Comparison with Experimental Findings by Davide Papini, Antonio Cammi

    Published 2010-01-01
    “…The two most used configurations, namely, horizontal and vertical tube condensers, are thoroughly investigated in this paper. Several thermal-hydraulic features were explored, being the analysis mainly devoted to the description of the best-estimate correlations and models for heat transfer coefficient prediction. …”
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  19. 739

    Recovery and Modification of Waste Tire Particles and Their Use as Reinforcements of Concrete by Eduardo Sadot Herrera-Sosa, Gonzalo Martínez-Barrera, Carlos Barrera-Díaz, Epifanio Cruz-Zaragoza, Fernando Ureña-Núñez

    Published 2015-01-01
    “…One of the most recurrent applications is to use recycled particles as fillers in building materials, as hydraulic concrete. Nevertheless, detrimental values on the mechanical properties are obtained when they are added. …”
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  20. 740

    Design and Analysis of Combined Valve Spool with Linear Flow Coefficient by Changxiong Xie, Heng Su, Jun Yang, Zhongjing He

    Published 2022-01-01
    “…The combined spool has better linear characteristics, which can improve the control performance of the electro-hydraulic servo valve.…”
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