Open Access
ARTICLE
Zuoming Yin1,2,*, Qiang Zhao1, Feng Xie1, Jingjiu Bi1, Jianlong Wang1, Shupeng Zhang1, Haonan Wang1, Xiaolong Li1
FDMP-Fluid Dynamics & Materials Processing, DOI:10.32604/fdmp.2026.080516
Abstract Optimizing the utilization of explosive detonation energy through bench blasting is central to improving both the efficiency and safety of open-pit mining operations. However, conventional blasting geometries often produce a non-uniform energy distribution, with excessive toe burden at the bench base and insufficient crest burden near the slope top, conditions that can significantly increase the risk of flyrock. This study proposes an air-decked charge configuration to mitigate these imbalances and enhance blast performance. A coupled numerical framework integrating the Particle Blast Method, Finite Element Method, and Smoothed Particle Hydrodynamics is employed, complemented by high-speed photographic More >
Open Access
ARTICLE
Ken-Ming Tu*
FDMP-Fluid Dynamics & Materials Processing, DOI:10.32604/fdmp.2026.082597
（This article belongs to the Special Issue: Advances in Fluidized Bed Technology for Thermo-Conversion and Functional Material Synthesis)
Abstract This study presents a comprehensive numerical investigation of laminar forced convective boundary layer flow over a non-isothermal wedge immersed in an Al2O3-Cu/water hybrid nanofluid, with relevance to thermal management in high-temperature aerospace systems, microelectronic cooling devices, and nuclear safety components. The research evaluates the combined effects of exponential space-dependent heat generation (ESDHG), thermal radiation, and uniform surface transpiration (suction/blowing) on the hydrothermal performance of the system. The governing non-similar differential equations, incorporating the Rosseland diffusion approximation, are solved using the high-accuracy Keller-box method. The numerical results indicate that increasing the wedge angle parameter compresses the momentum More >
Open Access
ARTICLE
Yong Wang1,2, Qingqing Cao3, Changhao Yan2, Xinyu Tang2,3, Dingxue Zhang1,*, Jingyi Zhu3,*
FDMP-Fluid Dynamics & Materials Processing, DOI:10.32604/fdmp.2026.075131
（This article belongs to the Special Issue: Fluid Dynamics and Multiphysical Coupling in Rock and Porous Media: Advances in Experimental and Computational Modeling)
Abstract Injection damage in the M tight oil reservoir is controlled by the coupled effects of inorganic scaling and organic fouling at the pore scale. To clarify the governing mechanisms, this study combines long-duration core flooding, water-chemistry compatibility analysis, and thermodynamic scale prediction with NMR T2 spectroscopy, mercury intrusion capillary pressure, SEM-EDS characterization, and factor-controlled microfluidic visualization that reproduces reservoir pore geometry and wettability. Core flooding tests reveal permeability reductions of 61 to 73 percent after 12 to 24 hours of injection, indicating progressive contraction of effective flow channels. NMR T2 spectra demonstrate strong pore-size selectivity: small… More >
Open Access
ARTICLE
Conghai Chen1, Dingran Sun2, Yikai Chen2, Jianxin Xu2,*, Hua Wang2
FDMP-Fluid Dynamics & Materials Processing, DOI:10.32604/fdmp.2026.082984
Abstract Serpentine heat exchangers are extensively used in energy and chemical engineering owing to their compact geometry and high thermal performance. To improve their efficiency, three-dimensional numerical simulations are conducted using the SST k-ω turbulence model for both serpentine and straight tubes fitted with twisted tape inserts. Three twist ratios (y = 5.77, 8.57, 12.48) are examined across a Reynolds number range of 10,000 to 22,000. Results show that the average Nusselt number increases with Reynolds number, while the friction factor decreases. In particular, due to curvature-driven secondary motions, serpentine configurations consistently outperform straight tubes in thermal… More >
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