Recent Trends in Fluid Mechanics

Recent Trends in Fluid Mechanics Recent Trends in Fluid Mechanics [2455-1961(e)] is a peer-reviewed hybrid open-access journal launched in 2011 and focused on the rapid publication of fundamental research papers on all areas of Fluid Mechanics.

• Fundamental Fluid Mechanics: Conservation of mass, momentum and energy, continuum mechanics, fluid properties, pressure, velocity fields, streamline analysis, control-volume methods, and governing equations of fluid motion.
• Fluid Kinematics: Eulerian and Lagrangian descriptions, streamlines, pathlines, streaklines, acceleration fields, vorticity, circulation, deformation, one-, two-, and three-dimensional flows.
• Fluid Dynamics: Internal and external flows, forces and moments in fluid systems, steady and unsteady flows, compressible and incompressible flows, rotational and irrotational flows, and viscous and inviscid flow.
• Newtonian Fluids: Viscosity, shear stress, strain rate, temperature-dependent viscosity, laminar flow, transport properties, and engineering applications of Newtonian fluids.
• Non-Newtonian and Complex Fluids: Shear-thinning, shear-thickening, thixotropic, rheopectic and viscoelastic fluids; polymeric fluids; suspensions; emulsions; slurries; and biological fluids.
• Rheology: Constitutive modelling, yield-stress fluids, viscoelasticity, flow curves, creep, relaxation, oscillatory rheology, and rheological characterization.
• Pipe and Duct Flow: Laminar and turbulent flow, pressure loss, friction factors, fittings and bends, network analysis, compressible pipe flow, multiphase pipelines, and industrial transport systems.
• Boundary-Layer Flow: Laminar and turbulent boundary layers, separation, transition, wall shear, drag reduction, boundary-layer control, and thermal boundary layers.
• Turbulence: Turbulent flow structures, Reynolds stresses, vortex dynamics, turbulence modelling, coherent structures, turbulence statistics, transition, and turbulence control.
• Computational Fluid Dynamics: Finite-volume, finite-difference and finite-element methods, mesh generation, turbulence models, numerical stability, multiphysics simulations, solver development, and validation.
• Direct and Large-Eddy Simulation: DNS, LES, hybrid RANS-LES methods, scale-resolving simulations, turbulence spectra, and high-fidelity flow modelling.
• Multiphase Flow: Gas-liquid, liquid-solid and gas-solid flows, bubbly flows, droplet dynamics, particle-laden flows, slurry transport, interfacial phenomena, and multiphase CFD.
• Two-Phase Flow: Boiling flows, condensation, gas-liquid transport, flow regimes, void fraction, interfacial transfer, and two-phase pressure drop.
• Free-Surface Flow: Open-channel flow, hydraulic jumps, surface waves, wave-current interaction, dam-break flow, sloshing, and fluid-structure interactions at free surfaces.
• Aerodynamics: External aerodynamics, aircraft and vehicle flows, lift and drag, bluff-body flow, airfoil performance, wake dynamics, and aerodynamic optimization.
• Compressible and High-Speed Flow: Subsonic, transonic, supersonic and hypersonic flow, shock waves, expansion waves, compressible jets, nozzle flows, and high-speed aerothermodynamics.
• Hydrodynamics: Water-flow systems, marine hydrodynamics, ship resistance, propeller flows, hydrodynamic forces, offshore flows, and aquatic transport phenomena.
• Hydraulics and Water Engineering: Open channels, pipelines, pumps, hydraulic structures, irrigation systems, water-distribution networks, hydraulic transients, and cavitation.
• Environmental Fluid Mechanics: Atmospheric flows, river and coastal flows, pollutant transport, sediment transport, buoyant plumes, stratified flows, and environmental dispersion.
• Geophysical Fluid Dynamics: Rotating fluids, stratified flows, ocean circulation, atmospheric dynamics, waves, vortices, and planetary fluid processes.
• Magnetohydrodynamics: Electrically conducting fluids, magnetic-field effects, MHD channels, plasma-fluid interaction, liquid-metal flows, and electromagnetic flow control.
• Electrohydrodynamics: Electrically driven flows, electro-osmosis, dielectrophoresis, charged droplets, electrohydrodynamic instability, and microfluidic applications.
• Microfluidics and Nanofluidics: Microchannels, lab-on-chip systems, electrokinetic flow, droplet microfluidics, capillary effects, nanofluidic transport, and microscale mixing.
• Biological and Biomedical Fluid Mechanics: Blood flow, cardiovascular fluid mechanics, respiratory airflow, microcirculation, cerebrospinal flow, biomechanics, and physiological transport.
• Porous-Media Flow: Darcy and non-Darcy flow, groundwater, porous heat and mass transfer, reservoir flow, filtration, reactive transport, and flow in natural and engineered porous structures.
• Fluid-Structure Interaction: Aeroelasticity, hydroelasticity, vortex-induced vibration, flexible structures, fluid-loaded structures, and coupled flow-structure simulations.
• Jet and Wake Flows: Free jets, wall jets, wakes, shear layers, mixing layers, entrainment, jet instability, and turbulent jet dynamics.
• Vortex Dynamics: Vortex shedding, vortex interaction, vortex rings, coherent structures, wake vortices, and vortex-induced motion.
• Cavitation: Bubble dynamics, cavitation inception, cavitation erosion, cavitating pumps and turbines, hydrodynamic cavitation, and multiphase cavitation modelling.
• Heat and Mass Transfer in Fluid Flow: Convective heat transfer, mass diffusion, coupled thermal-fluid transport, buoyancy-driven flow, forced convection, and species transport.
• Combustion Fluid Dynamics: Reactive flows, premixed and non-premixed combustion, flame propagation, turbulent combustion, combustion instability, reacting jets, and combustion CFD.
• Sprays and Atomization: Droplet breakup, spray formation, atomization, evaporation, fuel sprays, multiphase combustion, and spray diagnostics.
• Pumps, Turbines and Fluid Machinery: Centrifugal and axial pumps, hydraulic turbines, compressors, fans, cavitation, efficiency, performance analysis, and flow optimization.
• Energy and Fluid Systems: Fluid transport in renewable-energy systems, wind turbines, hydro turbines, thermal systems, energy-conversion equipment, and fluid-flow optimization.
• Oil, Gas and Process Flows: Petroleum pipelines, gas transport, multiphase oil-and-gas flow, flow assurance, process piping, slurry systems, and industrial fluid transport.
• Experimental Fluid Mechanics: Particle image velocimetry, laser Doppler velocimetry, flow visualization, pressure measurements, hot-wire anemometry, particle tracking, and experimental diagnostics.
• Flow Measurement and Instrumentation: Flow meters, pressure sensors, velocity measurement, flow diagnostics, sensor calibration, and smart flow-monitoring systems.
• Flow Control: Active and passive flow control, suction and blowing, vortex generators, plasma actuators, synthetic jets, drag reduction, and intelligent flow-control systems.
• Artificial Intelligence in Fluid Mechanics: Machine learning for turbulence modelling, flow prediction, reduced-order modelling, anomaly detection, surrogate modelling, and AI-assisted CFD.
• Data-Driven Fluid Dynamics: Proper orthogonal decomposition, dynamic mode decomposition, reduced-order models, system identification, flow reconstruction, and data assimilation.
• Digital Twins for Fluid Systems: Real-time flow monitoring, predictive simulation, virtual fluid systems, pump and pipeline digital twins, predictive maintenance, and physics-informed models.
• Emerging Fluid Mechanics Technologies: Physics-informed neural networks, autonomous CFD, smart fluids, active matter, micro/nanorobotic fluid systems, multiphysics flow modelling, and next-generation fluid engineering.