Showing 41 - 60 results of 64 for search 'darcy’s test', query time: 0.05s Refine Results
  1. 41
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    Analytical Solutions of a Space-Time Fractional Derivative of Groundwater Flow Equation by Abdon Atangana, P. D. Vermeulen

    Published 2014-01-01
    “…The classical Darcy law is generalized by regarding the water flow as a function of a noninteger order derivative of the piezometric head. …”
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    Article
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    Mechanical Constitutive and Seepage Theoretical Model of Water Storage Media Based on Fractional Derivative by Lujun Wang, Yang Wu, Xiaoqian Zhu, Peng Li, Zhiguo Cao, Huan Yang

    Published 2022-01-01
    “…The nonlinear stress-strain model is verified by mechanical experiments, physical simulation tests, and field measured data, and parameter sensitivity analysis is performed. …”
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    Article
  6. 46

    Air permeability of thermally modified hemlock wood by Yaohui Liu, Stavros Avramidis

    Published 2022-11-01
    “…ANOVA followed by the Duncan test revealed that thermal treatment at 212 °C and 230 °C significantly increased air permeability, whereas it was insignificant at 170 °C. …”
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  7. 47

    An Experimental Study of Seepage Properties in Crushed Sandstone and Mudstone by Qi-Le Ding, Shuai-Bing Song

    Published 2019-01-01
    “…Seepage properties of sandstone and mudstone were tested on specimens under six axial displacement levels. …”
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    Article
  8. 48
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    Effects of Initial Porosity and Water Pressure on Seepage-Erosion Properties of Water Inrush in Completely Weathered Granite by Jinquan Liu, Weizhong Chen, Taogen Liu, Jianxin Yu, Jingliang Dong, Wen Nie

    Published 2018-01-01
    “…In order to investigate the water inrush mechanism in completely weathered granite, a large-scale triaxial testing system is designed and manufactured, which can induce the mass transfer and monitor the flow properties. …”
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    Article
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    Experimental and analytical investigation of hydraulic conductivity, energy dissipation, and drag forces in gradually varied flow conditions through rockfill media by Jafar Chabokpour

    Published 2024-12-01
    “…The obtained results showed that the Darcy-Weisbach friction factor ranged between approximately 0.8 and 0.2 with surfacing velocity. …”
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    Article
  12. 52

    New Understanding of Transient Pressure Response in the Transition Zone of Oil-Water and Gas-Water Systems by Wenbin Xu, Zhihui Liu, Jie Liu, Yongfei Yang

    Published 2018-01-01
    “…Well test analysis requires a preselected model, which relies on the context input and the diagnostic result through the pressure logarithmic derivative curve. …”
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    Article
  13. 53

    Experimental Study on Gas–Water Relative Permeability Characteristics of Tight Sandstone Reservoir in Ordos Basin by Xiaoxia Ren, Aifen Li, Asadullah Memon

    Published 2022-01-01
    “…First, the pressure value obtained from the experiment, when the gas permeability no longer changed with the average pressure on the rock core, was set as the testing pressure. Then, the gas was injected under constant pressure, and the water was injected with a constant flow rate. …”
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  14. 54

    Predicting the critical drainage induced by soil seepage failure during pumping in foundation pit construction by Fuwei JIANG, Shujun TANG, Xiaofei DENG, Zhenchao LI, Fawang ZHANG, Hongyuan YIN

    Published 2025-01-01
    “…However, the critical pumping quantity is a key parameter for pumping safety in foundation pit construction and there is no effective method to calculate or test this parameter. Based on Darcy’s law and the equivalent infinitesimal formula, and the formula for calculating the permeability coefficient of pumping tests recommended by the specification for borehole pumping test of hydropower projects (NB/T 35103—2017), this study deduced the expressions of critical pumping quantity of the seepage failure under four conditions, including submersible incomplete hole, submersible integral hole, confined water incomplete hole and confined water integral hole. …”
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  15. 55

    Experimental Investigation of Water-Sand Mixed Fluid Initiation and Migration in Filling Fracture Network during Water Inrush by Bin Yang, Tianhong Yang

    Published 2021-01-01
    “…In addition, the change rules of the mass loss characteristics and porosity of the samples with time were tested successfully. The calculation methods of the permeability and non-Darcy factor of the filling fracture network were also determined.…”
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  16. 56

    Grouting Design of Rich Water Tunnels and the Calculation of Distance between Annular Blind Pipes by Helin Fu, Pengtao An, Kai Li, Guowen Cheng, Jie Li, Xiaohui Yu

    Published 2020-01-01
    “…First, the groundwater drainage system is constructed. Based on Darcy’s law and the law of conservation of mass, the formula for calculating the seepage discharge and the seepage pressure with the parameters of annular blind pipe spacing is derived. …”
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    Analysis of Thermal Stimulation to Enhance Shale Gas Recovery through a Novel Conceptual Model by Liang Xue, Cheng Dai, Lei Wang, Xiaoxia Chen

    Published 2019-01-01
    “…A series of synthetic tests are designed to demonstrate the model performance. …”
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  19. 59

    Experimental Investigation on Nonlinear Flow Anisotropy Behavior in Fracture Media by Chun Zhu, Xiaoding Xu, Xiuting Wang, Feng Xiong, Zhigang Tao, Yun Lin, Jing Chen

    Published 2019-01-01
    “…A series of flow experiments were performed on matched fractures to study the problem of non-Darcy flow in fractured media. Five rock fractures of different roughness were generated using indirect tensile tests, and their surface topographies were measured using a stereo topometric scanning system. …”
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  20. 60

    A Gas Seepage Modeling Study for Mitigating Gas Accumulation Risk in Upper Protective Coal Seam Mining Process by Cun Zhang, Lei Zhang, Mingxue Li, Chen Wang

    Published 2018-01-01
    “…The developed GSM was tested for calculating gas emission quantity from the PCSM process by utilizing the actual geological condition data of a coal mine, which is located in Hancheng, China. …”
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