Showing 961 - 980 results of 1,483 for search '"Hydraulics"', query time: 0.04s Refine Results
  1. 961

    Large Eddy Simulation of Turbulent Flow and Heat Transfer in a Ribbed Coolant Passage by Abhishek G. Ramgadia, Arun K. Saha

    Published 2012-01-01
    “…Numerical simulations of hydrodynamic and thermally fully developed turbulent flow are presented for flow through a stationary duct with periodic array of inline transverse rib turbulators. The rib height to hydraulic diameter ratio (𝑒/𝐷ℎ) is 0.1 and the rib pitch to rib height ratio (𝑃/𝑒) is 10. …”
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    Article
  2. 962

    A Brief Review of Recent Research on Reversible Francis Pump Turbines in Pumped Storage Plants by Xiuli Mao, Jiaren Hu, Zhongyong Pan, Pengju Zhong, Ning Zhang

    Published 2025-01-01
    “…., not only reflect operational performance (hydraulic, cavitation, sediment abrasion, and stability performance, etc.) but also directly affect the safe and efficient operation of the system. …”
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  3. 963

    Evaluation of Groundwater Recharge Estimates in a Partially Metamorphosed Sedimentary Basin in a Tropical Environment: Application of Natural Tracers by Felix Oteng Mensah, Clement Alo, Sandow Mark Yidana

    Published 2014-01-01
    “…A spatial distribution of groundwater recharge in the area based on the estimated data takes a pattern akin to the spatial pattern of distribution of the hydraulic head, the local topography, and geology of the terrain. …”
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    Article
  4. 964

    The SPES3 Experimental Facility Design for the IRIS Reactor Simulation by Mario Carelli, Lawrence Conway, Milorad Dzodzo, Andrea Maioli, Luca Oriani, Gary Storrick, Bojan Petrovic, Andrea Achilli, Gustavo Cattadori, Cinzia Congiu, Roberta Ferri, Marco Ricotti, Davide Papini, Fosco Bianchi, Paride Meloni, Stefano Monti, Fabio Berra, Davor Grgic, Graydon Yoder, Alessandro Alemberti

    Published 2009-01-01
    “…SPES3 simulates the primary, secondary, and containment systems of IRIS with 1 : 100 volume scale, full elevation, and prototypical thermal-hydraulic conditions. The simulation of the facility with the RELAP5 code and the execution of the tests will provide a reliable tool for data extrapolation and safety analyses of the final IRIS design. …”
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    Article
  5. 965

    Equivalent Continuum Coupling-Based Slope Stability Analysis of Zhouning Pumped Storage Power Station by Jinhong Lin, Yongsheng Zhu, Jing Hou, Bing Pan, Weijiang Chu, Wenhong Huang

    Published 2021-01-01
    “…A 3D equivalent continuum coupling analysis of the slope of the Zhouning pumped storage power station was proposed in this study. Firstly, the hydraulic properties of rock mass, groundwater, and deformation mechanism under high-frequency fluctuations of the water level are analyzed. …”
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  6. 966

    A comparative analysis of methods for mapping groundwater pollution hazard: application to the Gallocanta Hydrogeologic Unit (Spain) by José María Orellana Macías, María Jesús Perles Roselló

    Published 2020-05-01
    “…To do so, the Hazard Index, the Danger of Contamination Index and the Pollutant Origin and its Surcharge Hydraulically method were applied and compare, and the potentialities and weaknesses of the resulting maps have been analysed. …”
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    Article
  7. 967

    Properties of a Laminated Wood Composite Produced with Thermomechanically Treated Veneers by Larissa M. Arruda, Cláudio H. S. Del Menezzi

    Published 2016-01-01
    “…Veneers from Amescla (Trattinnickia burseraefolia) wood were treated in a hydraulic press with electric resistance heating. Two temperature levels were applied, 140°C and 180°C, for 1 and 2 minutes with 2.7 N/mm2 of pressure. …”
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  8. 968

    Evaluation of Impulse Unloading Efficiency Pertaining to APS Power Block Turbine for Higher Dynamic Steadiness by Yu. D. Filipchik

    Published 2012-06-01
    “…It has been established that an application of standard time interval for emergency automation startup and existing delay in the operation of electro-hydraulic transformer do not allow to influence on acceleration area and the positive effect due to load shedding is reached only due to an increase of braking site. …”
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    Article
  9. 969

    Displacement and Force Control of a Quarter Car Using a Mixed Mode MR Mount by Shuo Wang, Mohammad Elahinia, The Nguyen

    Published 2013-01-01
    “…In hydraulic hybrid vehicles (HHV), vibration in dual-mode pump/motor units should be isolated from the chassis. …”
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    Article
  10. 970

    Numerical Analyses of Static Characteristics of Liquid Annular Seals Based on 2D LBM-LES Model by Zhenjie Zhang, Lulu Zhai, Jia Guo, Zuchao Zhu, Guoyou Chen

    Published 2021-01-01
    “…Static characteristics and leakage flow rates of liquid annular seals have great influences on the hydraulic efficiency of turbomachinery. In this paper, a two-dimensional (2D) mathematical model for predicting the leakage flow rates and static characteristics of liquid seal is established, based on the lattice Boltzmann method (LBM) combined with the D2G9 velocity model for incompressible fluid and large eddy simulation (LES) turbulence model, in which the transformation equation of reference pressure is developed with the Bernoulli equation. …”
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  11. 971

    Upstream and Downstream Wind‐Stress Forcing of Seasonal Variability of Luzon Strait Deep Overflow Transport by Lei Chen, Jiayan Yang, Lixin Wu

    Published 2025-01-01
    “…This finding contrasts with previous views that considered the LZDO hydraulically controlled at the Luzon Strait sill and thus influenced solely by the upstream Pacific Ocean forcing. …”
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  12. 972

    Exploration and Practice of Pressure Relief by Slotting Coal Seams with a Diamond Wire Saw by Zhu Tang, Shuqing Li, Fei Huang, Shouqing Huang, Kangxu Cai

    Published 2021-01-01
    “…The results show that the wire saw can cut coal seams in a large area, with a cutting efficiency and slotting depth greater than those of hydraulic slotting; a stress concentration zone forms in front of the wire saw coal cutting working face and a stress reduction zone and a stress recovery zone form behind. …”
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  13. 973

    RELAP5/MOD3.3 Best Estimate Analyses for Human Reliability Analysis by Andrej Prošek, Borut Mavko

    Published 2010-01-01
    “…For calculations the RELAP5/MOD3.3 best estimate thermal-hydraulic computer code and the qualified RELAP5 input model representing a two-loop pressurized water reactor, Westinghouse type, were used. …”
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  14. 974

    Microbial Fuel Cells for Direct Electrical Energy Recovery from Urban Wastewaters by A. G. Capodaglio, D. Molognoni, E. Dallago, A. Liberale, R. Cella, P. Longoni, L. Pantaleoni

    Published 2013-01-01
    “…This study evaluates the MFC behaviour, in terms of organic matter removal efficiency, which reached 86% (on average) with a hydraulic retention time of 150 hours. The MFC produced an average power density of 13.2 mW/m3, with a Coulombic efficiency ranging from 0.8 to 1.9%. …”
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  15. 975

    Ludwig: A Training Simulator of the Safety Operation of a CANDU Reactor by Gustavo Boroni, Alejandro Clausse

    Published 2011-01-01
    “…A comprehensive set of online graphical displays are provided giving an in-depth understanding of transient neutronic and thermal hydraulic response of the power plant. The model was validated against data from a real transient occurring in the Argentine NPP Embalse Río Tercero, showing good agreement. …”
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    Article
  16. 976

    Redesign the Best Model for Lower Link Arm in the MF Tractor by Finite Element Analysis by Tariq Mahmoud Chliab, Ali Adelkhani

    Published 2024-12-01
    “…In all arm models, maximum stress was observed in the hole connecting the lower arm to the hydraulic jack of the tractor. …”
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  17. 977

    Phase Field Modeling of Multiple Fracture Growth in Natural Fractured Reservoirs by QiangSheng He, Chuang Liu

    Published 2023-01-01
    “…In recent years, hydraulic fracturing techniques have been widely used in extracting unconventional reservoir resources. …”
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  18. 978

    Subsurface Lateral Flow in Texture-Contrast (Duplex) Soils and Catchments with Shallow Bedrock by Marcus A. Hardie, Richard B. Doyle, William E. Cotching, Shaun Lisson

    Published 2012-01-01
    “…Development-perched watertables and subsurface lateral flows in texture-contrast soils (duplex) are commonly believed to occur as a consequence of the hydraulic discontinuity between the A and B soil horizons. …”
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  19. 979

    Investigating the Effect of Lignosulfonate on Erosion Rate of the Embankments Constructed with Clayey Sand by Hamid Reza Koohpeyma, Amir Hossein Vakili, Hossein Moayedi, Alireza Panjsetooni, Ramli Nazir

    Published 2013-01-01
    “…The clayey sand was tested in various hydraulic heads in terms of internal erosion in its natural state as well as when it is mixed with the different percentages of lignosulfonate. …”
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  20. 980

    Geometric modeling of the processes of excavation by an excavator in order to prevent damage to the pipeline wall by F. N. Pritykin, I. S. Kuznetsov

    Published 2023-06-01
    “…When controlling the motion of the excavator bucket, the operator controls the translational motions in the hydraulic cylinders, which are generally independent. …”
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