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881
Les réseaux d’alimentation en eau des pentes de la Croix-Rousse et de la presqu’île de Lyon
Published 2023-12-01“…Until recently, work on the ancient hydraulics of Lyon had essentially focused on the upper city. …”
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882
Well Interference Analysis of Shale Gas Wells Based on Embedded Discrete Fracture Model
Published 2022-01-01“…Results show that well interference caused by hydraulic fractures mainly reduce the gas production of the parent well while the gas production of child well can be increased owing to the larger equivalent stimulated area. …”
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883
New Definition of Ultrafine Particles in Mine Paste and Its Relationship with Rheological Properties
Published 2021-01-01“…In this paper, the size range of ultrafine particles is defined by the Stokes sedimentation test and hydraulic coarseness method. The size range of ultrafine particles is affected not only by the geometric size of the particles but also by the physical characteristics of the particles themselves. …”
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884
Pengaruh Variasi Suhu dan Durasi Pengepresan pada Kualitas Lemak Kakao
Published 2024-11-01“…The pressing process uses a hydraulic press method for cocoa paste. This research design was carried out using two factors, namely pressing temperature with three levels: 50°C, 70°C, and 90°C, and pressing duration with three levels: 30, 40, and 50 minutes. …”
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885
Influence of Blade Profiles on Plastic Centrifugal Pump Performance
Published 2020-01-01“…The optimization results were that D1 = 58 mm and D2 = 162 mm and β1 = 17° and β2 = 31°. The hydraulic efficiency was increased by 1.68%.…”
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886
TRACE assessment of density wave instability onset with void reactivity feedback under natural circulation
Published 2025-02-01“…Experiments performed at the Karlstein Thermal Hydraulic Test Facility (KATHY) have reproduced the reactivity feedback mechanism in BWRs under ATWS conditions. …”
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887
Identification of subsurface cavities in urban environment
Published 2025-01-01“…The gravimetric evidence suggest that the hydraulic drilling is not the cause of the observed phenomena. …”
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888
Normal and Accidental Scenarios Analyses with MELCOR 1.8.2 and MELCOR 2.1 for the DEMO Helium-Cooled Pebble Bed Blanket Concept
Published 2015-01-01“…The aim of these analyses is to compare the results obtained with MELCOR 1.8.2 and MELCOR 2.1 in order to highlight the differences among the results of the main thermal-hydraulic parameters.…”
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889
Assembly Accuracy Analysis Method Based on Multi‐Stage Linearized Contact
Published 2025-01-01“…The relationship between the assembly load and the deformation amount is established based on the related theories of contact mechanics and the geometric relationship between the assembly interfaces, thus enabling the prediction of the part's pose during the assembly process. Taking a multi‐way hydraulic valve as an object, by comparing the accuracy of pose prediction of the algorithm before and after adding nodes, it is proved that the proposed method can significantly improve the precision of assembly accuracy analysis.…”
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890
RELAIBILITY ASSESSMENT OF THE SOIL-WATER-RETENTION FOR UNSATURATED SAND SOILS
Published 2025-02-01“…The reliable findings of unsaturated sand soil tests and the impact of initial density on the hydraulic properties under various matric suction and net normal stresses are examined. …”
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891
Experimental Study and Numerical Solution of Poly Acrylic Acid Supported Magnetite Nanoparticles Transport in a One-Dimensional Porous Media
Published 2014-01-01“…The slurries with concentrations of 20,100 and 500 (mg/L) were injected into the bottom of the column under hydraulic gradients of 0.125, 0.375, and 0.625. The results obtained from experiments were compared with the results obtained from numerical solution of advection-dispersion equation based on the classical colloid filtration theory (CFT). …”
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892
Groundwater Single- and Multiobjective Optimization Using Harris Hawks and Multiobjective Billiards-Inspired Algorithm
Published 2021-01-01“…In this study, in order to determine an optimum solution for groundwater drawdown, pumping rates were selected accompanied by three minimization objectives: minimizing shortage influenced by inability to supply, adjusted shortage index, and minimizing the degree of drawdown within predefined areas. To optimize hydraulic conductivity and specific yield parameters of a modular three-dimensional finite-difference (MODFLOW) groundwater model, the Harris Hawks optimization algorithm was used to minimize the sum of absolute deviation between observed and simulated water-table levels. …”
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893
Experimental Study on the Nonlinear Behavior of a Sailing Container Ship under Landslide-Induced Surges
Published 2019-01-01“…The model test can compare and analyze the influences of different landslide volumes and navigation positions on the nonlinear behavior of ships, thereby proposing control methods and measures for safe sailing in waters with landslide-induced surges and providing a theoretical basis for disaster prevention and reduction in the channel of a reservoir area or a hydraulic structure.…”
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894
Online Modal Identification of Concrete Dams Using the Subspace Tracking-Based Method
Published 2019-01-01Get full text
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895
Prediction Model for Safe Operation of Pumping Stations Optimized by the Sparrow Search Algorithm and BP Neural Network
Published 2024-01-01“…The pumping station is one of the critical parts of the hydraulic structure in China. Traditional forecasting methods are limited in accuracy, time-consuming, and high cost, resulting in limited data availability. …”
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896
EVALUATION OF ORGANIC MATTER REMOVAL EFFICIENCY FROM PIGGERY WASTEWATER TREATMENT BY THE UPFLOW SLUDGE BLANKET FILTRATION (USBF) SYSTEM
Published 2017-09-01“…In this study, the removal of pollutants from piggery wastewater was evaluated in the USBF reactor at hydraulic retention time (HRT) of 6-15 hours and solid retention time (SRT) of 20 days. …”
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897
Artificial Interference of Stress Field in a Near-Fracture Zone by Water Injection in a Preexisting Crack
Published 2019-01-01“…By stress artificial intervention, critical pressure for water channelling in fractured reservoirs, directional propagation of cracks in hydraulic fracturing, and stress adjustment on the structural plane were applied. …”
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898
Finite Element Modeling Of Saint-Venant Equations For Shatt-Al Hilla
Published 2020-03-01“…The present study aims to solve the continuity and momentum (Saint-Venant) equations numerically to predict the hydraulic characteristics in the river using Galerkin finite element method. …”
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899
Dust Concentration Changing Regularities and Dust Reduction Technology by Spray Negative Pressure in Fully Mechanized Mining Face
Published 2021-01-01“…Taking the 3top1110 fully mechanized caving coal face as an example, the dust distribution in the process of coal mining and hydraulic support shifting was studied. According to the dust-spray coupling experiment, three types of nozzle are chosen based on the efficiency of dust suppression. …”
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900