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4341
Study on Early Warning of Karst Collapse Based on the BP Neural Network
Published 2022-01-01“…Finally, according to the common formulas of viscoelastic artificial boundary and equivalent load, the two-dimensional and three-dimensional input programs of the karst fluid state are compiled, and a neural network early warning model is obtained. …”
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4342
Online Projective Integral with Proper Orthogonal Decomposition for Incompressible Flows Past NACA0012 Airfoil
Published 2012-01-01“…The present method is applied to simulate two-dimensional incompressible fluid flows past the NACA0012 airfoil problem. The approach consists of using high-accuracy direct numerical simulations over short time intervals, from which POD modes are extracted for approximating the dynamics of the primary variables. …”
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4343
Using Nonionic Surfactants for Production of Semiconductor-type Carbon Nanotubes by Gel-based Affinity Chromatography
Published 2014-07-01“…Semiconductor- type SWCNTs are recovered in solid form by evaporating the suspension fluid, and heating the dried sample in air to a temperature just above the Pluronic decomposition temperature. …”
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4344
Large Strangulated Spigelian Hernia: Management of an Uncommon Presentation of Abdominal Hernias in Central Uganda
Published 2019-01-01“…On abdominal ultrasound scan, an abdominal wall defect measuring 4.45 cm with herniated bowel loops in the left anterior abdominal region with mild fluid collection in the hernia sac was seen. Conservative management for intestinal obstruction which included putting the patient on nil per os, NG tube decompression, and soapy enema was instituted, and surgery was done on the second day of admission. …”
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4345
The effect of chimney entrance slope and constricted section on the performance of solar chimney power plants: A CFD approach
Published 2025-01-01“…In this work, impact of the chimney entrance slope and narrowed section on performance of SCPP is scrutinized. A computational fluid dynamics model (CFD) is constructed based on Manzanares plant with a chimney height (H) of 194.6 m via ANSYS FLUENT. …”
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4346
Study on Optimization of Delay Method of Wedge Cut Blasting in Tunnel
Published 2021-01-01“…Relying on the entrance section of a high-speed railway tunnel blasting project, the fluid-solid coupling algorithm based on ANSYS/LS-DYNA was used to optimize the parameters of wedge cut blasting, and the vibration could be reduced on the basis of ensuring the blasting effect. …”
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4347
Numerical Modeling of Local Scour Depth at Non-Uniform Piers
Published 2024-12-01“…This study examines the efficacy of the computational fluid dynamics (CFD) model in generating simulations of the scour depth along a bridge pier via the Flow3D software (version 10.1.1.3). k-ε model is built to more accurately consider the generation of turbulent kinetic energy and the anisotropic characteristics of the turbulence. …”
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4348
ANALYSIS OF LOAD CAPACITY AND TEMPERATURE FIELD OF SPHERICAL HYBRID SLIDING BEARINGS (MT)
Published 2023-01-01“…As a result, the deformation seriously affects the rotation accuracy of the spindle, because it is in the same order of magnitude as the oil film thickness. Therefore, the fluid lubrication mathematical model is established by taking the spherical hybrid sliding bearings with orifice throttling mode as the research object, and the Reynolds equation and energy equation of lubricating oil film are derived. …”
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4349
Investigation of Artery Wall Elasticity Effect on the Prediction of Atherosclerosis by Hemodynamic Factors
Published 2022-01-01“…The causes and location of stenosis can be determined using fluid mechanics and parameters such as pressure, effective wall shear stress, and oscillatory shear index (OSI). …”
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4350
EFFECTS OF CONTINUOUS AND FRACTURED RIBS PLACED AT THE ENDWALL SURFACE UPSTREAM OF THE TURBINE-VANE LEADING-EDGE
Published 2024-07-01“…The leading-edge rib(s) effects at the mid-stream of the vane passage are quantitatively examined in this work using computational fluid dynamics (CFD) technique. With the employment of Reynolds Averaged Navier-Stoke energy equations, the geometries are modelled choosing the appropriate boundary conditions. …”
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4351
Reconstruction of Three-Dimensional Porous Media Using Deep Transfer Learning
Published 2020-01-01“…The reconstruction of porous media is widely used in the study of fluid flows and engineering sciences. Some traditional reconstruction methods for porous media use the features extracted from real natural porous media and copy them to realize reconstructions. …”
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4352
Scale effect for hydraulic model of a mixed flow nuclear main pump
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4353
Distribution Characteristics of Swirling-Straight Sprinklers Inside a Nuclear Power Pressurizer
Published 2025-01-01“…The findings contribute to the optimization of spray performance and provide valuable data for computational fluid dynamics model verification.…”
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4354
Study on the Behavior of Cement Slurry Prepared by Vibration Agitation and Numerical Simulation of Flow Field
Published 2024-12-01“…The vibration altered the system’s pressure field and fluid movement direction. Furthermore, the improvement of the flow field parameters for the horizontal shaft mixer was highly sensitive in the low-frequency range, whereas for vertical shaft agitators, it was at higher excitation frequencies that more significant gains were achieved.…”
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4355
Late Relapse of Previous Pulmonary Cryptococcosis With Symptoms Resembling Cerebral Infarction: A Case Report
Published 2024-01-01“…Subsequently, cryptococcal antigen was detected in both serum and cerebrospinal fluid (CSF), and C. neoformans was cultivated from CSF. …”
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4356
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4357
Polygenous and polychronous gold mineralization of the Middle Urals: Staging of appearance of the gold-bearing hydrothermal-metasomatic processes
Published 2024-12-01“…During sedimentation, volcanogenic-sedimentary formations were enriched with ore elements due to underwater fluid flow during volcanic and subvolcanic processes, up to the formation of pyrites, including goldbearing ores. …”
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4358
Thermohydraulic Performance Improvement in Heat Exchanger Square Duct Inserted with 45° Inclined Square Ring
Published 2020-01-01“…The effects of flow blockage ratios and spacing ratios for the inclined square ring on fluid flow and heat transfer are considered. The Reynolds number (Re = 100–2000, laminar regime) based on the hydraulic diameter of the square duct is selected for the present work. …”
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4359
Effect of Negative Pressure Therapy on the Inflammatory Response of the Intestinal Microenvironment in a Porcine Septic Model
Published 2015-01-01“…The capacity of peritoneal fluid to stimulate a robust reactive oxygen species response in vitro was greater for the NPT group, peaking at T24 for both M1 (p=0.0197) and M2 macrophages (p=0.085). …”
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4360
Numerical simulation of frozen wall formation in water-saturated rock mass by solving the Darcy-Stefan problem
Published 2019-05-01“…In this paper, we study the influence of groundwater seepage on the frozen wall formation in fluid-saturated rock mass in the framework of the two-dimensional two-phase Darcy-Stefan problem. …”
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