1274 papers
Fluid dynamics explores how liquids and gases move, shaping everything from weather patterns to the flow of blood through our veins. This field bridges the gap between abstract mathematical equations and the tangible forces that drive our physical world, offering insights into turbulence, aerodynamics, and fluid behavior in complex environments.
On Gist.Science, we process every new preprint in this category directly from arXiv to make cutting-edge research accessible to everyone. Each paper is transformed into a clear, plain-language overview alongside a detailed technical summary, ensuring both students and experts can grasp the latest findings without getting lost in dense jargon.
Below, you will find the most recent studies in fluid dynamics, curated and explained for a broader audience.
Using large eddy simulations, this study investigates the unsteady vortical flow and its interaction with blades in a reversible pump-turbine during speed-no-load conditions, revealing that the development of longitudinal vortices and "strings of swirls" creates significant flow instability that could lead to blade fatigue damage.
The paper demonstrates that subtle rarefaction effects in turbulent flows can cause "constitutive degeneracy" in Navier-Stokes simulations, leading to significant errors in predicting surface shear stress and heat flux during rocket plume impingement.
This paper identifies a unique melting mode of frozen sessile droplets on superhydrophobic surfaces where the unmelted ice layer remains deposited at the bottom due to upward fluid flow and lubrication effects, a process that significantly accelerates complete melting compared to the traditional floating mode.
This paper investigates the dimensionality of two-dimensional Kolmogorov flows using autoencoders and Lyapunov analysis, revealing that the system undergoes two distinct transitions—the destabilization of periodic orbits and the saturation of large-scale motions—and that the active degrees of freedom scale linearly with the forcing wavenumber rather than the total number of Fourier modes.