Physical Review E

Author(s): V. A. Vlasov

A new analytic model of isothermal evaporation of a sessile droplet in the form of a spherical cap is presented. This model is based on the rigorous theory of diffusion mass transfer and takes into account the intrinsic kinetics of the evaporation process. Due to its rigor, the presented model does …

[Phys. Rev. E 111, 055104] Published Tue May 13, 2025

Author(s): Aswin Balaji, Shruti Tandon, Norbert Marwan, Jürgen Kurths, and R. I. Sujith

Self-sustained order can emerge in complex systems due to internal feedback between coupled subsystems. Here, we present our discovery of a nonmonotonic emergence of order amidst chaos in a turbulent thermoacoustic fluid system. Fluctuations play a vital role in determining the dynamical state and t…

[Phys. Rev. E 111, 055105] Published Tue May 13, 2025

Author(s): Akinori Fukushima, Shinya Oyagi, and Takashi Tokumasu

Molecular dynamics was used to evaluate the channel size dependence of force acting near a liquid-vapor-solid contact line. The shear stress distribution acting on the solid wall surface was calculated using the spatial distribution of the stress tensor to obtain the force acting near the contact li…

[Phys. Rev. E 111, 055103] Published Mon May 12, 2025

Author(s): Ilia Yu. Kalashnikov and Valery M. Chechetkin

This study investigates self-gravity-induced viscosity in collisionless systems in the presence of a massive central body. Employing a kinetic framework based on the Vlasov-Poisson equations, we derive an analytical expression for viscosity arising from self-gravitational interactions. It is found t…

[Phys. Rev. E 111, 055102] Published Wed May 07, 2025

Author(s): Rahul K. Singh

The dynamics of fibers, modeled as a sequence of inertial beads linked via elastic springs, in turbulent flows is dictated by a nontrivial interplay of inertia and elasticity. Such elastic, inertial fibers preferentially sample a three-dimensional turbulent flow in a manner that is qualitatively sim…

[Phys. Rev. E 111, L053101] Published Mon May 05, 2025

Author(s): N. S. Satpathi, G. S. G. Reddy, and A. K. Sen

Controlling the behavior of impacting droplets continues to remain a challenge. We demonstrate a simple method of inclining a plane superhydrophobic surface with a sudden wettability change in the form of a superhydrophilic spot to control the droplet impact dynamics. We find that, depending on the …

[Phys. Rev. E 111, 055101] Published Thu May 01, 2025

Author(s): E. Jurčišinová, M. Jurčišin, and R. Remecký

The scaling inertial-range behavior of the single-time two-point correlation functions of the weak magnetic field, passively advected by the turbulent velocity field driven by the stochastic Navier-Stokes equation, is investigated in the framework of the field-theoretic renormalization group approac…

[Phys. Rev. E 111, 045108] Published Mon Apr 28, 2025

Author(s): Hannah-May D'Ambrosio, Stephen K. Wilson, Alexander W. Wray, and Brian R. Duffy

A comprehensive study of the effect of gravity-induced shape change on the diffusion-limited evaporation of thin sessile and pendant droplets on a horizontal substrate is performed. Specifically, theoretical predictions for the evolution, and hence the lifetime, of sessile and pendant droplets evapo…

[Phys. Rev. E 111, 045107] Published Fri Apr 25, 2025

Author(s): Yan Xia, Zhaosheng Yu, Minkang Zhang, Zhaowu Lin, and Zhenyu Ouyang

In this work, we investigate the swimming dynamics of a spheroidal squirmer near a flat wall for various aspect ratios using the direct-forcing fictitious domain method. Our results show that the swimming mode of a strong pusher undergoes the transition from either oscillating or escaping to crawlin…

[Phys. Rev. E 111, 045106] Published Wed Apr 23, 2025

Author(s): Peter S. B. Szabo and Christoph Egbers

This study examines the influence of an inhomogeneous external electric field on thermoelectrohydrodynamic (TEHD) convection and its impact on heat transfer enhancement in a dielectric fluid layer. TEHD convection arises when an external electric field interacts with a nonisothermal fluid, where ele…

[Phys. Rev. E 111, 045105] Published Mon Apr 21, 2025

Author(s): Seyed Mohammad Hosseini, Siamak Mirfendereski, and Jae Sung Park

The dynamics and microstructure of two-dimensional suspensions of ideally polarizable particles in an electric field are studied using large-scale numerical simulations. The particles are assumed to carry no net charge and thus known to undergo a nonlinear electrokinetic phenomenon termed dipolophor…

[Phys. Rev. E 111, 045104] Published Thu Apr 17, 2025

Author(s): A. W. C. Lau and J. B. Sokoloff

In this paper, we provide a theoretical framework for understanding the friction of water flowing in carbon nanotubes with diameters of the order of a nanometer. Molecular dynamics simulations show that under such circumstances, water forms one-dimensional water wires or hollowed cylindrical periodi…

[Phys. Rev. E 111, 045103] Published Wed Apr 09, 2025

Author(s): Haokui Jiang, Jean-Lou Pfister, Daniel Zhengyu Huang, and Shunxiang Cao

We develop a Koopman reduced-order model (ROM) to analyze the instability mechanism and predict the hydrodynamic behavior for the flag flapping in the wake of a cylinder. The Koopman ROM is constructed using a kernel dynamic mode decomposition method and enhanced through a residual dynamical mode de…

[Phys. Rev. E 111, 045101] Published Tue Apr 08, 2025

Author(s): Dongdong Liu, Binjie Tan, Yunzhi Liu, Yi Niu, Jianing Guo, Junzhuo Wu, Jiakai Li, Jiankun Li, and Xiang Luo

The interaction between a droplet and superhydrophobic particles has a duration that significantly deviates from the inertia-capillary timescale. Both the rapid and delayed rebounds of the droplet are observed on the superhydrophobic particles with various particle sizes and impact velocities. Typic…

[Phys. Rev. E 111, 045102] Published Tue Apr 08, 2025

Author(s): Rick D. M. Jansen, Ralf R. L. Reinartz, Haoyu Zhu, Rudie P. J. Kunnen, and Herman J. H. Clercx

Thermophoresis is a force exerted on particles in nonisothermal flows, acting opposite to the thermal gradient and potentially dominant in rarefied conditions. This force is not well understood in the transition regime, where the mean-free path of gas molecules, λ, is comparable to the particle radi…

[Phys. Rev. E 111, 035106] Published Tue Mar 25, 2025

Author(s): Jack-William Barotta, Giuseppe Pucci, Eli Silver, Alireza Hooshanginejad, and Daniel M. Harris

When a millimetric body is placed atop a vibrating liquid bath, the relative motion between the object and the interface generates outward-propagating waves with an associated momentum flux. Prior work has shown that isolated chiral objects, referred to as spinners, can thus rotate steadily in respo…

[Phys. Rev. E 111, 035105] Published Thu Mar 20, 2025

Author(s): Nanami Taketoshi, Toshihiro Omori, and Takuji Ishikawa

Sperm bundling, swarming, and aggregation are observed in various species, suggesting that grouping enhances motility. In this study, we developed a numerical model of sperm computed by fluid-structure interactions between multiple flagella, showing that hydrodynamic interactions allow the sperm mod…

[Phys. Rev. E 111, 035103] Published Tue Mar 18, 2025

Author(s): Nilgun Sungar, John Sharpe, Loic Ijzerman, and Jack-William Barotta

Chiral active particles are able to draw energy from the environment to self-propel in the form of rotation. We describe an experimental arrangement wherein chiral objects, spinners, floating on the surface of a vibrated fluid rotate due to emitted capillary waves. We observe that pairs of spinners …

[Phys. Rev. E 111, 035104] Published Tue Mar 18, 2025

Author(s): J. G. Wouchuk

An analytical model to study the perturbation flow that evolves between a rippled piston and a shock is presented, based on previous published work. Only the rigid piston boundary condition is considered at the piston surface driving the shock. Any time a corrugated shock is launched inside a fluid,…

[Phys. Rev. E 111, 035102] Published Tue Mar 11, 2025

Author(s): Giuseppe Pucci, Antoine Bellaigue, Alessia Cirimele, Giuseppe Alì, and Anand U. Oza

A macroscopic hydrodynamic system that couples a particle and a wave has recently renewed interest in the question as to what extent a classical system may reproduce quantum phenomena. Here we investigate single-particle diffraction with a pilot-wave model originally developed to describe the hydrod…

[Phys. Rev. E 111, L033101] Published Fri Mar 07, 2025