Boltzmann-Curtiss Description for Flows under Translational NonequilibriumContinuum-based theories, such as Navier-Stokes equations, have been considered inappropriate for flows under nonequilibrium conditions. In part, it is due to the lack of rotational degrees of…Mohamed M. Ahmed, Mohamad I. Cheikh, James Chen·Mar 6, 2026SaveLearn
Prediction of Steady-State Flow through Porous Media Using Machine Learning ModelsSolving flow through porous media is a crucial step in the topology optimisation of cold plates, a key component in modern thermal management. Traditional computational fluid dynamics (CFD) methods,…Jinhong Wang, Matei C. Ignuta-Ciuncanu, Ricardo F. Martinez-Botas et al.·Mar 6, 2026SaveLearn
Confined drying of a binary liquid mixture droplet: A quantitative interferometric study under humidity controlWe present a methodology that combines Mach-Zehnder interferometry, a custom relative humidity (RH) controlled chamber, and a confined two-dimensional droplet geometry to enable precise…Ole Milark, Jean-Baptiste Salmon, Benjamin Sobac·Mar 6, 2026SaveLearn
Spectral analysis of attached and separated turbulent flows over a Gaussian-shaped bumpWe investigate the broadband turbulent dynamics of attached and separated flows over a Gaussian bump, focusing on the origin of low-frequency coherent structures. The analysis combines time-resolved…Roman Klopsch, Lukas M. Fuchs, Georgios Rigas et al.·Mar 6, 2026SaveLearn
Unsteadiness in turbulent separated flow over a three-dimensional Gaussian bumpThe unsteady separated flow over the three-dimensional Boeing Gaussian Bump is investigated at a Reynolds number based on bump height ReH = 2.26×105 using unsteady wall-pressure measurements…Kevin H. Manohar, Hariprasad Annamalai, Owen Williams et al.·Mar 5, 2026SaveLearn
On Free Moving Micron-Sized Droplet-Particle CollisionsPredictive modelling of agglomeration in spray drying and particle capture in aerosol scavenging requires a fundamental understanding of droplet-particle collisions. The study complements prior work…Tushar Srivastava, Karrar H. Al-Dirawi, Benjamin Lobel et al.·Mar 5, 2026SaveLearn
Investigation of Aeroacoustics and In-flight Particle Transport in Thermal Spray Supersonic JetsThe acoustic signature of thermal spray processes is known to vary with changes in operating conditions, which also influence particle in-flight velocity and distribution. Building on this idea, the…D. Rahmat Samii, M. Tembely·Mar 4, 2026SaveLearn
Volumetric effects in viscous flows in circular and annular tubes with wavy wallsWe point out that, in the usual way of specifying a sinusoidal waviness of the wall of a tube of circular cross section, in which the mean radius is kept constant, the interior volume of the tube…Yisen Guo, John H. Thomas·Mar 4, 2026SaveLearn
Grid-agnostic volume of fluid approach with interface sharpening and surface tension for compressible multiphase flowsThe interfacial diffusion associated with finite volume method (FVM) discretizations of multiphase flows creates the need for an interface sharpening mechanism. Such solutions for structured…J. Marziale, J. Sun, D. Salac et al.·Mar 4, 2026SaveLearn
Optomicrofluidic measurement of particle-encapsulated droplet systemDroplet microfluidics combined with optical detection has become a powerful approach for high-throughput single-cell assays, but these systems often face limited sensitivity and signal heterogeneity…Kanimozhi Kumaresan, Thaipally Sujith, Anil Prabhakar et al.·Mar 4, 2026SaveLearn
Evaluation of the performance of an analytical-numerical coupled method for droplet impacts on soft material surfacesImpacts between droplets and solid surfaces can commonly cause erosion problem in Engineering applications, including aircraft surface erosion, wind blade leading-edge erosion and steam turbine blade…Hao Hao, Antonis Sergis, Alex M. K. P. Taylor et al.·Mar 4, 2026SaveLearn
An analytical-numerical coupled model of liquid droplet impact on solid material surfacesImpacts of liquid droplets on wind turbine blade surfaces, for example sea sprays, can result in material damage through erosion. In this study, we derive an explicit, closed-form analytical…Hao Hao, Maria N. Charalambides, Yannis Hardalupas et al.·Mar 4, 2026SaveLearn
Purcell swimmer near a wallWe study the effects of hydrodynamic interactions between a wall and the Purcell three-link swimmer in the two-dimensional case. After deriving the equations of motion in a low Reynolds number regime…Enrico Micalizio, Marco Morandotti, Henry Shum et al.·Mar 4, 2026SaveLearn
Kinematics of Single-Winged Spinning Seeds: A Study on Mahogany and Buddha Coconut SamarasThis study investigates the steady-state kinematics of single-winged spinning samaras and re-evaluates the simplifying assumptions commonly used in existing theoretical models. High-speed imaging was…Yogeshwaran G, Srisha M. V. Rao, Jagadeesh G·Mar 4, 2026SaveLearn
A Robust Compressible APIC/FLIP Particle Grid Method with Conservative Resampling and Adaptive APIC/PIC BlendingModeling inviscid compressible flows with shocks and vortex dominated dynamics remains challenging for particle grid methods due to moving discontinuities, cell crossing noise, and quadrature…Jiansheng Yao, Yingkui Zhao·Mar 4, 2026SaveLearn
Impact of perturbed eddy-viscosity modeling on stability and shape sensitivity of the hydro-turbine vortex rope using linearized Reynolds-averaged Navier-Stokes equationsThis study investigates the influence of a perturbed eddy-viscosity model on linear stability and shape sensitivity of the global vortex rope mode arising in a hydro-turbine flow under fully…Jens S. Müller, Sophie J. Knechtel, Kilian Oberleithner·Mar 4, 2026SaveLearn
Separation induced transition in a low pressure turbine under varying compressibilityThe present study investigates influence of compressibility on separation induced transition in a low pressure turbine cascade using high fidelity direct numerical simulations of the T106A blade.…Priya Pal, Abhijeet Guha, Aditi Sengupta·Mar 4, 2026SaveLearn
Comparison of Extended Lubrication Theories for Stokes FlowLubrication theory makes use of the assumptions of a long and thin fluid domain and a small scaled Reynolds number to formulate a linearized approximation to the Navier-Stokes equations. Extended…Sarah Dennis, Thomas G. Fai·Mar 4, 2026SaveLearn
Shock propagation through a local constrictionThe interaction of a shock wave with a localized constriction in a straight conduit is investigated by systematically varying the blockage ratio in the range 0.35-0.75, the normalized constriction…Raz Heppner, Hemanth Chandravamsi, Yoav Gichon et al.·Mar 3, 2026SaveLearn
A More Rigorous Test Problem For Viscous Hydrodynamics CodesWe advocate for a more stringent test problem for codes that aim to solve the equations of viscous hydrodynamics. Specifically, we discuss a nonuniform-density version of the common (uniform-density)…Alexander J. Dittmann, Geoffrey Ryan·Mar 3, 2026SaveLearn
On the biogenic hydrodynamic transport of upward and downward cruising copepodsMesozooplankton aggregations undergoing vertical migrations in the upper ocean have been hypothesized to have an important role in the redistribution of carbon, nutrients, and oxygen via biogenic…Yunxing Su, Rui Zhu, Eckart Meiburg et al.·Mar 3, 2026SaveLearn
Phase-field investigation of non-isothermal solidification coupled with melt flow dynamicsSolidification, coupled with melt flow, plays a critical role in determining the microstructure and properties of materials in several manufacturing processes. Phase-field models coupled with the…Timileyin David Oyedeji, Aaron Brunk, Yangyiwei Yang et al.·Mar 3, 2026SaveLearn
Two-phase stratified MHD flows in rectangular ductsThe characteristics of two-phase stratified magnetohydrodynamic (MHD) flow in horizontal rectangular ducts are investigated for a system consisting of a conductive liquid and a non-conductive gas.…Subham Pal, Ilya Barmak, Arseniy Parfenov et al.·Mar 3, 2026SaveLearn
A finite element formulation for incompressible viscous flow based on the principle of minimum pressure gradientWe present a finite element formulation for incompressible viscous flow based on the principle of minimum pressure gradient (PMPG). This variational principle, recently established by Taha, Gonzalez…Julian J. Rimoli·Mar 3, 2026SaveLearn
Improved Stability-Based Transition Transport Model for Airships Incorporating Wall Heating EffectsLaminar drag reduction is a critical technology for enhancing the endurance and station-keeping capabilities of airship platforms. However, existing transport-based transition models fail to account…Yayun Shi, Qiyun Wang, Xiaosong Lan et al.·Mar 3, 2026SaveLearn