Open Access
ISSN:1555-256X (print)
ISSN:1555-2578 (online)
Publication Frequency:Monthly
Fluid Dynamics and Materials Processing is an essential reading for all those concerned with complex fluids, multiphase flows and the intersection of fluid dynamics with materials processing and/or with the more general field of engineering optimization. It features original theoretical, computational, and experimental investigations. All subjects where a material, at a certain stage of its “life”, is in a fluid state, behaves as a fluid (e.g. many types of granular media) or interacts with a fluid should be considered relevant to FDMP. Relevant examples include (but are not limited to) the most modern and advanced processes for the production of inorganic (semiconductors, metal alloys, foams, plastics, polymers, ceramic materials, cement, asphalt and resins of various kinds), organic (protein crystals, drugs and medicines) materials and "living" (in vitro) biological tissues. We are especially interested in those studies where emphasis is put on the fluid-dynamic conditions under which a material is operated. However, FDMP also welcomes manuscripts dealing with more fundamental aspects such as the rheological behavior of multiphase systems or the convective currents that are produced in a fluid as a result of the thermal, chemical and/or mechanical stimuli typically applied in various processing or manufacturing methods (e.g. thermal gradients, shaking, mixing, etc). Some attention is devoted as well to all those problems of “structure/fluid” interaction that have extensive background applications in important fields such as marine, chemical, aeronautical and aerospace engineering and the oil sector, i.e. all those cases where fluid-dynamic analysis is instrumental in guiding the design/optimization of the considered systems (or related components) and the selection of the required “materials”.
Emerging Source Citation Index (Web of Science): 0.7; Scopus Citescore (Impact per Publication 2024): 1.5; SNIP (Source Normalized Impact per Paper 2024): 0.350; Engineering Index (Compendex); EBSCO; Google Scholar; Proquest; Portico, etc...
Open Access
REVIEW
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.075610 - 31 March 2026
Abstract This review addresses four key themes in automotive aerodynamics: flow instability in the wheel region, the aerodynamic characteristics of rims, the aerodynamic behavior of tires, and drag reduction strategies based on flow control around the wheels. The wheel region, comprising the tire, rim, and adjacent aerodynamic components, typically represents the major source of vehicle drag owing to the inherently complex flow generated by wheel rotation, tread geometry, and rim design, which gives rise to flow separation, vortex shedding, and turbulence. Drawing on a broad body of experimental and numerical research, this review elucidates the mechanisms More >
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.077023 - 31 March 2026
（This article belongs to the Special Issue: Model-Based Approaches in Fluid Mechanics: From Theory to industrial Applications)
Abstract Turbulent flow over gravel beds in open channels is a fundamental yet complex problem in hydraulic engineering, as flow behavior is highly sensitive to channel geometry and bed roughness. In this study, the Volume of Fluid (VOF) method coupled with the standard k-ε turbulence model is employed to simulate air-water interactions over gravel beds, with open boundary conditions capturing realistic channel-atmosphere interactions. Numerical simulations are performed to examine how channel design influences the relationship between the friction factor (f) and the Reynolds number (RN). Velocity and VOF contours indicate peak flow near the inlet, with… More >
Graphic Abstract
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.071903 - 31 March 2026
（This article belongs to the Special Issue: Vortex Phenomena in Various Fields of Physics: from Hydrodynamics to Biophysics)
Abstract This paper examines the connection between photonic band-gap formation in two types of two-dimensional photonic crystals and the emergence of reverse electromagnetic energy flows generated by linearly polarized plane waves incident on a photonic-crystal slab. We show that these reverse energy flows, observed in both transmitted and reflected fields, originate from vortex structures in the Poynting vector. The resulting energy-flow patterns exhibit striking analogies to vortex formation in fluid motion past obstacles. The geometry and dynamics of the Poynting-vector vortices determine whether the incident electromagnetic energy is impeded, leading to the formation of photonic band More >
Graphic Abstract
Open Access
REVIEW
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.078178 - 31 March 2026
Abstract The rheological behavior of paste in mine backfilling systems is governed by multiple coupled mechanisms, including particulate structure evolution, time-dependent effects, spatially heterogeneous flow, and scale dependence. As a result, its macroscopic response cannot be adequately described by a single material parameter or purely local constitutive relations. Although significant progress has been made in experimental characterization and empirical modeling, rheological parameters reported under different conditions remain difficult to reconcile, highlighting the limitations of existing models in capturing structural evolution and nonlocal effects. This review provides a concise synthesis of current advances in paste rheology for… More >
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.076426 - 31 March 2026
Abstract To overcome the limited mixing efficiency associated with conventional steady-state side blowing in molten pool smelting, this study proposes a gas injection strategy that combines a swirl lance configuration with sinusoidal pulsed blowing. Using a volume-of-fluid (VOF) multiphase flow framework coupled with the Realizable k–ε turbulence model, the performance of constant-velocity blowing is systematically compared with sinusoidal pulsed blowing over a range of amplitudes (5, 10, and 15 m/s) and frequencies (0.5, 1, and 2 Hz). The results demonstrate that sinusoidal pulsed blowing markedly enhances gas–liquid mixing within the melt pool relative to constant-speed injection. More >
Graphic Abstract
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.077747 - 31 March 2026
（This article belongs to the Special Issue: Theoretical Foundations and Applications of Multiphase Flow in Pipeline Engineering)
Abstract Accurate diagnosis of liquid loading in gas wells is hindered by inconsistent criteria for identifying the critical liquid-loading condition and by reliance on subjective observation during the development of physical models. To address this issue, controlled laboratory experiments were conducted to investigate pressure fluctuations in gas–liquid two-phase flow under different flow regimes, with the aim of establishing a quantitative criterion to identify such critical conditions. High-frequency pressure signals were collected and analyzed using complementary ensemble empirical mode decomposition (CEEMD). Characteristic parameters describing slug flow, annular flow, and the critical liquid-loading condition were extracted accordingly, including More >
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.073369 - 31 March 2026
Abstract In wind tunnel experiments, support devices inevitably disturb the surrounding flow field, thereby degrading the accuracy of measured aerodynamic data. A new subsonic and transonic wind tunnel has recently been constructed, and the support system for dynamic six degree of freedom experiments is currently under conceptual design. A key challenge is to optimize the support configuration while satisfying stringent flow quality requirements. In this study, the influence of different support configurations on the flow field is investigated numerically by analyzing velocity and pressure distributions. The results show that the optimized six degree of freedom support… More >
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.078769 - 31 March 2026
（This article belongs to the Special Issue: Fluid and Thermal Dynamics in the Development of Unconventional Resources IV)
Abstract To address the persistent challenge of dynamic mismatch between wellbore lifting capacity and reservoir fluid supply, and to establish a robust optimization framework for drainage operations in high-water-cut tight sandstone gas reservoirs, this study systematically investigates the graded optimization and dynamic adaptation of drainage gas recovery technologies. Production data from a representative tight gas field were first employed to forecast reservoir performance. The predictive reliability was rigorously validated through high-precision history matching, thereby providing a quantitatively consistent foundation for subsequent wellbore optimization. Building on this characterization, a coupled simulation framework was developed that integrates wellbore… More >
Graphic Abstract
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.078695 - 31 March 2026
（This article belongs to the Special Issue: Theoretical Foundations and Applications of Multiphase Flow in Pipeline Engineering)
Abstract Slug flow represents one of the most critical and operationally challenging regimes in oil-gas-water multiphase pipelines. To advance both mechanistic understanding and predictive capability, this study integrates physical analysis with data-driven modeling to elucidate the conditions governing slug formation and to enable its rapid and accurate prediction. A systematic review of existing research is first undertaken to clarify the mechanisms responsible for slug initiation. The influences of gas superficial velocity, liquid velocity, liquid viscosity, liquid surface tension, and the axial component of gravity are examined to characterize their roles in interfacial instability and flow transition.… More >
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.078389 - 31 March 2026
Abstract Enhancing the efficiency of phase-change heat storage is vital for maximizing the utilization of renewable energy. This study examines the synergistic effect of non-uniformly shaped fins and nanoparticles on the melting performance of phase-change storage tanks. The problem is addressed using a finite volume framework coupled with the enthalpy–porosity method, with the numerical model rigorously validated against experimental data. The analysis explores the influence of varying fin deflection angles and nanoparticle concentrations on melting dynamics. It is shown that a downward fin deflection of 6° reduces melting time to 570 s, representing a 20.8% improvement More >
Graphic Abstract
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.077602 - 31 March 2026
Abstract To simultaneously reduce flow-induced noise and enhance hydraulic performance in centrifugal pumps, this study proposes a bionic volute tongue inspired by the serrated trailing-edge morphology of the long-eared owl wing. Hydraulic performance and volute-induced noise are integrated into a unified evaluation framework, enabling multi-objective optimization of the tongue geometry. An orthogonal experimental design coupled with Computational Fluid Dynamics (CFD) and Computational Fluid Acoustics (CFA) is employed to systematically assess the influence of serration parameters. A matrix-based decision method is then used to identify the optimal configuration balancing efficiency, head, and acoustic performance. The optimized design… More >
Graphic Abstract
Open Access
ARTICLE
FDMP-Fluid Dynamics & Materials Processing, Vol.22, No.3, 2026, DOI:10.32604/fdmp.2026.077267 - 31 March 2026
（This article belongs to the Special Issue: Model-Based Approaches in Fluid Mechanics: From Theory to industrial Applications)
Abstract This study addresses the optimization of automated yarn handling in textile manufacturing by examining the related suction process through a combined numerical and experimental approach. In particular, a three-dimensional model of the suction nozzle was coupled with an equivalent linear-elastic beam representation of the yarn, and a Fluent–IDW–Abaqus weakly coupled fluid–structure interaction (FSI) framework was employed to capture the yarn’s release and dynamic response under negative-pressure suction. High-speed imaging experiments validated the simulations, demonstrating excellent agreement in displacements and velocities. According to the results, increasing the initial suction pressure from −0.04 MPa to −0.06 MPa More >
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