Special Issues

Fluids publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process. The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue policies and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

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Advances in Multiphase Flow Simulation with Machine Learning submission deadline 31 Oct 2025 | 4 articles | Viewed by 9037 | Submission Open
Keywords: multiphase flow; simulation; machine learning; inference; optimization; acceleration; CPU/GPU
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Respiratory Flows
edited by
submission deadline 31 Oct 2025 | 7 articles | Viewed by 8998 | Submission Open
(This special issue belongs to the Section Heat and Mass Transfer)
Biological Fluid Dynamics, 2nd Edition
edited by , Dong Xu and
submission deadline 31 Oct 2025 | 4 articles | Viewed by 7654 | Submission Open
Keywords: bio-fluids; analytical; computational and experimental; blood; renal; respiratory; swimmers; flying animals; pathogens and fluid dynamics
(This special issue belongs to the Section Non-Newtonian and Complex Fluids)
Convective Flows and Heat Transfer
edited by Abdelkader Mojtabi and
submission deadline 30 Nov 2025 | 2 articles | Viewed by 3696 | Submission Open
Keywords: gravitational flow; instabilities and bifurcations; computational heat and fluid dynamics (CHT/CFD); newtonian and non-newtonian fluids; storing energy; material and biomaterial processing; renewable energy; indoor/outdoor air quality (I/OAQ)
(This special issue belongs to the Section Heat and Mass Transfer)
Flow Control Across Varying Length Scales: Nanofluidics, Microfluidics and Millifluidics
edited by , , and Zhenhao Lin
submission deadline 20 Dec 2025 | 2 articles | Viewed by 1047 | Submission Open
Keywords: flow control; nanofluidics; microfluidics; millifluidics
Quantum Computing for Flow Simulations
edited by Surya Pratap Vanka and
submission deadline 30 Dec 2025 | Viewed by 297 | Submission Open
Keywords: quantum computing; computational fluid dynamics; scientific computing; turbulence; quantum linear solvers
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
Stochastic Equations in Fluid Dynamics, 2nd Edition
edited by
submission deadline 31 Dec 2025 | 5 articles | Viewed by 12075 | Submission Open
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
Environmental Hydraulics, Turbulence and Sediment Transport, 3rd Edition submission deadline 31 Dec 2025 | 7 articles | Viewed by 10162 | Submission Open
Keywords: bedform; river hydrodynamics; morphology processes; sediment transport; vegetated flow; flood; dam-induced flow; analytical modeling; numerical modeling
(This special issue belongs to the Section Geophysical and Environmental Fluid Mechanics)
CFD Applications in Environmental Engineering submission deadline 31 Dec 2025 | 3 articles | Viewed by 4913 | Submission Open
Keywords: CFD applications; air pollution; water quality; eco-friendly designs; climate change; extraterrestrial environments; environmental modeling
(This special issue belongs to the Section Geophysical and Environmental Fluid Mechanics)
Recent Advances in Cardiovascular Flows submission deadline 31 Dec 2025 | 4 articles | Viewed by 4350 | Submission Open
Keywords: cardiovascular system; biofluid mechanics; hemodynamics; in-silico modeling; computational fluid dynamics; in-vitro modeling; flow visualization and tracking
(This special issue belongs to the Section Non-Newtonian and Complex Fluids)
Experimental and Computational Advances in Bubbling Fluidized Beds Hydrodynamics
edited by Manuel Ernani Cruz, Albino José Kalab Leiroz, and Gabriel Lisbôa Verissimo
submission deadline 31 Dec 2025 | 3 articles | Viewed by 3053 | Submission Open
Keywords: multiphase flow; bubbling fluidized beds; computational modeling; experimental techniques; fluidization; bubble formation
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Drag Reduction Through Traditional or Machine Learning-Based Flow Control
edited by Bingfu Zhang, , Mingming Zhang and
submission deadline 31 Dec 2025 | 1 articles | Viewed by 1274 | Submission Open
Keywords: aerodynamic drag reduction for high-speed trains; cars; and aircrafts; hydrodynamic drag reduction for ships and underwater vehicles; skin-friction drag reduction in turbulent flows; aerodynamics and flow control for wind turbines; application of machine learning for flow control; artificial intelligence-based fluid dynamic shape optimization
(This special issue belongs to the Section Turbulence)
IBERHEO 2024—Iberian Rheology
edited by and Catarina R. Leal
submission deadline 31 Dec 2025 | 1 articles | Viewed by 687 | Submission Open
Keywords: soft matter and colloidal systems; polymer rheology; food rheology; bio-rheology; interfacial rheology; new advances in rheometry; microfluidics; non-newtonian fluid mechanics; computational rheology; industrial rheology and processing; rheology and the environment
(This special issue belongs to the Section Non-Newtonian and Complex Fluids)
Computational Fluid Dynamics of Multiphase Systems
edited by and Hai Hung Pham
submission deadline 31 Dec 2025 | Viewed by 548 | Submission Open
Keywords: multiphase flows; computational fluid dynamics; interfacial phenomena; multiscale modeling; high-performance computing; machine learning in CFD
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Open and Closed-Loop Control Systems for Active Flow Control
edited by
submission deadline 31 Dec 2025 | Viewed by 166 | Submission Open
Keywords: adaptive control; synthetic jet actuators (SJAs); flow interaction; advanced sensing; machine learning; real-time control; performance optimization; jets; airfoils; turbomachinery; adaptive control frameworks
(This special issue belongs to the Section Turbulence)
Flow Control Techniques: Advances in Flow System Analysis, Modeling and Applications, Second Edition
edited by
submission deadline 31 Dec 2025 | Viewed by 149 | Submission Open
Keywords: trapped vortex; shock wave control; drag reduction; high-lift profile; fluidic thrust vectoring; nozzle instabilities; dynamic stall; compressor rotating stall; synthetic jet; virtual shaping; plasma actuators; dielectric barrier discharge plasma actuator; combustion instability; supersonic inlets; scramjet
High-Speed Processes in Continuous Media
edited by
submission deadline 31 Dec 2025 | Viewed by 125 | Submission Open
Keywords: supersonic/hypersonic gas flows; flow control; shock waves; boundary layers; turbulence; chemically reacting flows; plasma; combustion and explosion; ignition; vortices and vortex structures; heat fluxes; gas-dynamic and plasma instabilities; numerical simulation; experimental visualization
(This special issue belongs to the Section Turbulence)
Modelling and Simulation of Turbulent Flows, 2nd Edition
edited by and Jun Yao
submission deadline 25 Jan 2026 | 1 articles | Viewed by 774 | Submission Open
Keywords: turbulent flows; modelling and simulation; direct numerical simulation (DNS); large-eddy simulation (LES); hybrid RANS– LES; data-driven CFD modelling; numerical methods; steady and unsteady aerodynamics; shock-wave– boundary layer interactions; multiphase flow; reacting flow; aeroacoustics
(This special issue belongs to the Section Turbulence)
Fluids Flow in Mining Engineering submission deadline 30 Jan 2026 | Viewed by 268 | Submission Open
Keywords: mine hydrogeological structure; mine water; mine water inrush; groundwater flow; grout diffusion mechanism; instability mechanism
(This special issue belongs to the Section Geophysical and Environmental Fluid Mechanics)
Numerical Modeling and Experimental Studies of Two-Phase Flows, 2nd Edition
edited by and Hemant J. Sagar
submission deadline 31 Jan 2026 | 5 articles | Viewed by 4870 | Submission Open
Keywords: Methodologies:; Two-phase flow measurement; visualization techniques; Numerical modeling; simulation of two-phase flows; Modeling phase change/boiling; Treatments of interface discontinuity and shockwave; Basic research:; Bubble/droplet dynamics; Surface tension/Capillary effects; Natural and ventilated Cavitation/ Supercavitation; Sheet; cloud; and/or tip vortex cavitation; Boiling and condensation in benchmark problems; Free surface flows; Water entry and exit flows; Fluid-Structure-Interaction; Slamming and Sloshing; Advances in Applications:; The potential risks of failure of levees; dams; and reservoirs; Breaking waves; overtop- ping of coastal structures; Moving ships; interaction of extreme waves; and green water on decks; Spray cooling and two-phase heat transfer; Hydrodynamic cavitation and dynamic bubble processes; Enhancement of critical heat flux
Computational Modeling in Fluidization Engineering
edited by , César Venier and Andrés Reyes Urrutia
submission deadline 31 Jan 2026 | 2 articles | Viewed by 4834 | Submission Open
Keywords: fluidized bed contactors; modeling of processes; thermodynamic models; kinetic models; neural networks; computational fluid dynamics (CFD); optimal operating conditions; process safety
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Vortex Definition and Identification
edited by Chaoqun Liu
submission deadline 31 Jan 2026 | 1 articles | Viewed by 3437 | Submission Open
Keywords: vortex definition; identification; application; turbulence
(This special issue belongs to the Section Turbulence)
Fluid Mechanics in Water Distribution Systems submission deadline 31 Jan 2026 | 1 articles | Viewed by 877 | Submission Open
Keywords: fluid mechanics; hydraulic networks; water distribution systems; water supply networks; mathematical models; simulation models; optimization models; numerical simulation; computational fluid dynamics (CFD); transients flows; pressure surges; real-time data integration; laboratory test
Advanced Heat Exchange and CO2 Capture
edited by Gustavo Urquiza and Miriam Navarrete
submission deadline 31 Jan 2026 | Viewed by 72 | Submission Open
Keywords: novel heat exchanger designs; enhanced heat transfer mechanisms; low-energy CO2 capture technologies; integration and scale-up; modeling and simulation; process intensification; thermal efficiency
(This special issue belongs to the Section Heat and Mass Transfer)
Multiphase Flow and Fluid Machinery
edited by Ming Liu and Yadong Han
submission deadline 20 Feb 2026 | 2 articles | Viewed by 2270 | Submission Open
Keywords: multiphase flow; fluid machinery; cavitation; gas– liquid mixtures; bubbly flows; particle flows
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
Pipe Flow: Research and Applications, 2nd Edition submission deadline 28 Feb 2026 | 5 articles | Viewed by 7572 | Submission Open
Keywords: pipe flow; pressure drop; curved pipes  ; pipe bend  ; laminar flow  ; turbulent flow  ; secondary flow  ; flow separation  ; particle image velocimetry  ; flow measurement  ; helically coiled pipes  ; pulsatile flow; computational fluid dynamics  ; particle methods
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
Advances in Computational Mechanics of Non-Newtonian Fluids, 2nd Edition submission deadline 28 Feb 2026 | 4 articles | Viewed by 2082 | Submission Open
Keywords: non-Newtonian fluids; rheology; multiphase flow; computational fluid dynamics (CFD); mathematical modeling; viscoelasticity; thixotropy; slurries; suspensions; polymers; biofluids; geofluids
(This special issue belongs to the Section Non-Newtonian and Complex Fluids)
Advances in Fuel Injection Research for Engines
edited by Liyun Fan and
submission deadline 28 Feb 2026 | 1 articles | Viewed by 1824 | Submission Open
Keywords: fuel supply system; high-pressure fuel system; hybrid power injection system; traditional fuels and low-carbon fuels; gas fuel injection; liquid fuel injection; solid fuel injection; flow and cavitation; cooling; spray; design
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Multiphase Simulations with the Volume-of-Fluid (VOF) Approach submission deadline 28 Feb 2026 | Viewed by 252 | Submission Open
Keywords: volume-of-fluid; computational fluid dynamics; multiphase flow and heat transfer; multiphase simulations; interfaces capillary phenomena; drop impact; bubble dynamics; evaporation and condensation; hybrid approaches
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Cavitation and Bubble Dynamics, 2nd Edition
edited by
submission deadline 28 Feb 2026 | Viewed by 93 | Submission Open
Keywords: cavitation erosion; bubble interactions; fluid-structure interaction; shock wave; vapor bubbles
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Turbulence in Nature
edited by
submission deadline 30 Mar 2026 | Viewed by 140 | Submission Open
Keywords: turbulence; nature; CFD; complex systems
Computational Fluid Dynamics Applied to Transport Phenomena
edited by , Luiz Alberto Oliveira Rocha and
submission deadline 31 Mar 2026 | 5 articles | Viewed by 3613 | Submission Open
Keywords: heat transfer; fluid flow; numerical simulation; computational modeling
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
Marine Hydrodynamics: Theory and Application
edited by Hao Chen and
submission deadline 31 Mar 2026 | 3 articles | Viewed by 3359 | Submission Open
Keywords: offshore renewable energy; wave– structure interaction; machine learning and data-driven approaches; ship hydrodynamics; coastal and nearshore dynamics
(This special issue belongs to the Section Geophysical and Environmental Fluid Mechanics)
Vortex Dynamics submission deadline 31 Mar 2026 | Viewed by 175 | Submission Open
Keywords: aircraft wake vortices; bluff body aerodynamics; boundary layer flow; coherent structures; computational fluid dynamics (CFD) modeling and the simulation of vortical flows; gas particle two-phase free turbulent flow; ground effect mechanisms; heat transfer; analysis of interactions among particles using fast multipole methods (FMMs) and/or CUDA technology; linear stability analysis; magnus effect; multiple bodies; separated flow; slender body aerodynamics; surface roughness; turbulence in fluids; vertical axis-type wind turbine; vortex-induced vibrations (VIVs); wake-induced vibrations (WIVs); wind tunnel testing of vehicles
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
State-of-the-Art Computational Fluid Dynamics and Applications submission deadline 31 Mar 2026 | Viewed by 157 | Submission Open
Keywords: computational fluid dynamics; fluid engineering applications; multiphysics simulation; high-fidelity modeling; digital twin; GPU acceleration; machine learning; aerodynamics; biomedical flows; energy systems
Lattice Boltzmann Methods: Fundamentals and Applications, 2nd Edition
edited by
submission deadline 31 Mar 2026 | Viewed by 106 | Submission Open
Keywords: parallel computing; GPU acceleration; boundary condition treatment; unstructured mesh; multi-phase flow; multi-physics; multi-scale
Research on the Formation and Movement of Droplets
edited by and Zhentao Wang
submission deadline 25 Apr 2026 | Viewed by 91 | Submission Open
Keywords: droplet formation; droplet dynamics; interfacial phenomena; multiphase flow; heat and mass transfer; coalescence and breakup; microfluidics; wettability; evaporation and condensation; external field effects
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Industrial CFD and Fluid Modelling in Engineering, 3rd Edition
edited by
submission deadline 30 Apr 2026 | 2 articles | Viewed by 2971 | Submission Open
Keywords: industrial CFD; aerospace fluid mechanics; turbomachinery; optimization methods; large-eddy simulation; detached eddy simulation; wall-modeled LES; computational gas dynamics; multiphase flows; reactive flows; numerical modeling in fluids; turbulence modeling; energy systems
(This special issue belongs to the Section Mathematical and Computational Fluid Mechanics)
Multiphase Flow for Industry Applications, 2nd Edition
edited by and Priscilla Ribeiro Varges
submission deadline 30 Apr 2026 | Viewed by 59 | Submission Open
Keywords: multiphase flow; flow dynamics; flow measurement; mass transfer; heat transfer; rheology; mixing; interfaces flow regime
(This special issue belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
Advances in Hemodynamics and Related Biological Flows, 2nd Edition submission deadline 30 Apr 2026 | Viewed by 51 | Submission Open
Keywords: biological flow; hemodynamics; analytical; computational; experimental; blood; fluid dynamics; computational fluid dynamics; red blood cell trauma; hemolysis; FDA; turbulence; Kolmogorov length scale; erythrocyte; artificial organs; blood flow; pressure loss coefficient; developmental biology; viscous stress; Reynolds stress; power law model; prosthetic heart devices; heart assist devices; erythrocyte deformability; red blood cell(RBC); mechanical trauma; sublethal damage; mechanical trauma
(This special issue belongs to the Section Non-Newtonian and Complex Fluids)
Mixing and Mass Transfer in Various Chemical Reactors
edited by
submission deadline 30 Apr 2026 | Viewed by 17 | Submission Open
Keywords: liquid mixing; solids mixing; gas–liquid mass transfer; liquid–solid mass transfer; new measurement techniques
(This special issue belongs to the Section Heat and Mass Transfer)
Physical and Chemical Phenomena in High-Speed Flows
edited by
submission deadline 31 May 2026 | 1 articles | Viewed by 665 | Submission Open
Keywords: high-speed flow; shock wave; computational flow dynamics; chemical reactions; turbulence; high-temperature effects
(This special issue belongs to the Section Turbulence)
Thermal Fluids: Theory and Applications
edited by
submission deadline 31 Jul 2026 | Viewed by 540 | Submission Open
Keywords: thermodynamics; heat and mass transfer; computational fluid mechanics; porous structure; laminar and turbulent flow; renewable energy; single-phase and two-phase flow
(This special issue belongs to the Section Heat and Mass Transfer)
Thermal Sciences and Digitalization: Towards Intelligent and Sustainable Systems submission deadline 30 Sep 2026 | Viewed by 64 | Submission Open
Keywords: heat and mass transfer; fluid mechanics; multiphase flows; phase change materials; nanofluids; renewable energy systems; desalination and water-energy nexus; hydrogen storage and conversion; digital twins; artificial intelligence in thermal sciences
(This special issue belongs to the Section Heat and Mass Transfer)
XI Brazilian Conference on Rheology—BCR 2026
edited by , and Priscilla Ribeiro Varges
submission deadline 30 Nov 2026 | Viewed by 161 | Submission Open
Keywords: complex materials; non-Newtonian fluid mechanics; rheology
Feature Reviews for Fluids 2025–2026 submission deadline 31 Dec 2026 | 3 articles | Viewed by 10432 | Submission Open
Keywords: artificial intelligence in fluid mechanics; biofluid mechanics; coherent vortical structures in fluids; marine hydrodynamics; multiphase flows; shock waves; turbulence modelling and simulation; wind turbine aerodynamics; stability theory in fluid mechanics; geophysical fluid dynamics; granular/suspension flows; heat and mass transfer; magneto-hydrodynamics (MHD); nanofluids and microfluids; Newtonian and non-Newtonian fluids; polymers; rheology; tribology/lubrication; computational fluid dynamics (CFD); biomedical flows; experiments in fluids; fluid– structure interaction; data-driven fluids research; culinary fluid mechanics
10th Anniversary of Fluids—Recent Advances in Fluid Mechanics
edited by
submission deadline 31 Dec 2026 | 6 articles | Viewed by 5396 | Submission Open
Keywords: artificial intelligence in fluid mechanics; biofluid mechanics; coherent vortical structures in fluids; marine hydrodynamics; multiphase flows; shock waves; turbulence modelling and simulation; wind-turbine aerodynamics; stability theory in fluid mechanics; geophysical fluid dynamics; granular/suspension flows; heat and mass transfer; magneto-hydrodynamics (MHD); nanofluids and microfluids; Newtonian and non-Newtonian fluids; polymers; rheology; tribology/lubrication
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