Latest Publications on Fluid Mechanics
This is our latest selection of worldwide publications on Fluid Mechanics, between many scientific online journals, classified and focused on fluid mechanics, fluid dynamics, viscoelastic, computational fluid, fluid-structure, multiphase flow, flow simulation, flow resistance, laminar, turbulent flow, pressure drop, Bernoulli and Navier-Stokes.
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Investigation of Fatigue Performance for In-Service Asphalt Pavement Mixtures Using Push-Pull Fatigue Test
On 2025-02-04 by Zhanming Zhang, Duo Xu, Yunlong Fan, Hui Ma, Zihao Ding, Jiwang Jiang, Jie Li, Tao Ma @MDPI
Abstract: With the increasing service life of asphalt pavements, fatigue cracking has become a typical distress that significantly affects the structural lifespan of in-service asphalt pavements. To address the issues of high variability in laboratory fatigue tests and the poor correlation between test results and actual pavement cracking conditions, this study collected field core samples from in-service highways with varying degrees of cracking. The study employed push-pull fatigue tests on asphalt mixt[...]
AI summary: Investigation of fatigue performance for in-service asphalt pavements using push-pull test, addressing variability in laboratory tests, establishing quantitative relationships, confirming reliability of test.
fatigue performance, push-pull test, asphalt mixtures, transverse crack spacing, damage capacity
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Case Studies in the Qiongzhou Strait and around Naozhou Island
On 2025-02-04 by Dawei Peng, Jia Mao, Jianhua Li, Lanhao Zhao @MDPI
Abstract: Abstract: Tidal currents are a crucial oceanic process with significant implications for marine engineering and the sustainable use of coastal and marine resources. This paper presents the development of a finite element numerical model to simulate tidal currents. The model was mathematically formulated using the shallow water equations, which are applicable to fluid dynamics where the horizontal scale is significantly larger than the vertical scale. The finite element method was employed to dis[...]
AI summary: Development of a numerical model to simulate tidal currents, applied to Qiongzhou Strait and Naozhou Island, results show good agreement with observed data, provides hydrodynamic basis for marine engineering.
tidal currents, finite element numerical model, Qiongzhou Strait, Naozhou Island, marine engineering, sustainable use, oscillatory flow patterns
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Numerical Investigation of Flow Around Partially and Fully Vegetated Submerged Spur Dike
On 2025-02-04 by Sohail Iqbal, Rizwan Haider, Ghufran Ahmed Pasha, Lun Zhao, Fakhar Muhammad Abbas, Naveed Anjum, Nadir Murtaza, Zeshan Abbas @MDPI
Abstract: This study investigates the role of emerged vegetation in enhancing the performance of submerged spur dikes for better flow control and bank protection in river systems. The research utilizes a numerical model based on Computational Fluid Dynamics (CFD), validated with experimental data. After validation, the study explores various configurations of vegetated spur dike, adjusting the submergence heights of the impermeable spur dike to achieve porosity ranging from fully impermeable to highly por[...]
AI summary: Role of emerged vegetation in enhancing submerged spur dike performance for flow control and bank protection. Study utilizes numerical model based on CFD, exploring various vegetated spur dike configurations. Vegetation porosity impacts flow stability and erosion control around spur dikes. Integrating vegetation shows potential for improved flow conveyance and erosion control.
Numerical Investigation, Flow Control, Spur Dike, Vegetation, Computational Fluid Dynamics, Porosity, Erosion Control
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Current Status and Future Directions
On 2025-02-04 by Chandi Sasmal @MDPI
Abstract: The addition of even minute amounts of solid polymers, measured in parts per million (ppm), into a simple Newtonian fluid like water significantly alters the flow behavior of the resulting polymer solutions due to the introduction of fluid viscoelasticity. This viscoelastic behavior, which arises due to the stretching and relaxation phenomena of polymer molecules, leads to complex flow dynamics that are starkly different from those seen in simple Newtonian fluids under the same conditions. In ad[...]
AI summary: Polymer solutions alter flow dynamics, viscoelastic properties in various fluids, electro-osmotic flows provide accurate flow control, electro-elastic instabilities can lead to chaotic flow.
polymers, viscoelasticity, microfluidic platforms, electro-osmotic flows, electro-elastic instability, electro-elastic turbulence, flow control
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A Novel Optical Instrument for On-Line Measurement of Particle Size Distribution—Application to Clean Coal Technologies
On 2025-02-04 by Mao Cheng, Zachariah Wargel, Duarte Magalhaes, Richard Axelbaum @MDPI
Abstract: A flow cell is a critical measurement interface for many optical instruments. However, the flows are often sampled under harsh conditions, such as under high pressure and/or high temperature, in the presence of particles, moisture, vapors with high dew points or corrosive gases. Therefore, obtaining a high-optical-quality flow cell that does not perturb the measurement is a significant challenge. To address this challenge, we proposed a new flow cell that employs a unique laminar coaxial flow fi[...]
AI summary: Novel optical instrument measures particle size distribution in harsh conditions with high accuracy and no bias. High-quality flow cell protects optical windows and ensures accurate measurements. Successfully applied to on-line measurement of particle size distribution in pressurized oxy-coal combustor.
optical instrument, particle size distribution, flow cell, high pressure, high temperature, clean coal technologies, on-line measurement
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Viscoelastic, Shape Memory, and Fracture Characteristics of 3D-Printed Photosensitive Epoxy-Based Resin Under the Effect of Hydrothermal Ageing
On 2025-02-01 by Mohamad Alsaadi, Tamer A Sebaey, Eoin P. Hinchy, Conor T. McCarthy, Tielidy A. de M. de Lima, Alexandre Portela, Declan M. Devine @MDPI
Abstract: Using 3D-printed (3DPd) polymers and their composites as shape memory materials in various smart engineering applications has raised the demand for such functionally graded sustainable materials. This study aims to investigate the viscoelastic, shape memory, and fracture toughness properties of the epoxy-based ultraviolet (UV)-curable resin. A UV-based DLP (Digital Light Processing) printer was employed for the 3D printing (3DPg) epoxy-based structures. The effect of the hydrothermal accelerated[...]
AI summary: Investigation of viscoelastic, shape memory, and fracture toughness properties of 3D-printed epoxy-based resin under hydrothermal ageing. Development of highly complex shape memory structures.
3D printing, Viscoelasticity, Shape memory, Fracture characteristics, Sustainable materials, Hydrothermal ageing, Smart engineering applications
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