Structure-dynamics correlation is one of the major ongoing debates in glass transition, although a number structural features have been found connected to dynamic heterogeneity different glass-forming colloidal systems. Here, using experiments combined with coarse-grained molecular dynamics simulations, we investigate transition monolayers rough ellipsoids. Compared smooth ellipsoids, surface roughness ellipsoids significantly change nature transition. In particular, find that induced by...

The discovery of topological edge states that unidirectionally propagate along the boundary system without backscattering has enabled development new design principles for material or information transport. Here, we show flow supported by chiral active fluid composed spinners can even robustly transport an immersed intruder with aid spinner-mediated depletion interaction between and boundary. Importantly, effective significantly depends on dissipationless odd viscosity fluid, which...

The migration of active particles in slowly moving, crowded, and heterogeneous media is fundamental to various biological processes technological applications. In this study, we numerically investigate the dynamics a single particle multicomponent medium composed mixtures rigid flexible rings. We observe nonmonotonic dependence diffusivity on relative fraction rings, leading identification an optimal composition for enhanced diffusion. This long-time diffusion, resulting from different...

Unidirectional rotation of a hairy colloidal particle in the active bath high “activity”.

Computational imaging makes it possible to reconstruct hidden objects through random media and around corners, which is of fundamental importance in various fields. Despite recent advances, computational has not been studied certain types scenarios, such as tortuous corridors filled with media. We refer this category complex environment a 'random corridor', propose reduced spatial- ensemble-speckle intensity correlation (RSESIC) method image moving object obscured by corridor. Experimental...

Open AccessCCS ChemistryRESEARCH ARTICLES1 Mar 2024Ultratough Yet Dynamic Crystalline Poly(thiourethane) Network Directly from Low Viscosity Precursors Haijun Feng†, Yi Sheng†, Guancong Chen, Binjie Jin, Zizheng Fang, Bo Yang, Xiaorui Zhou, Wenxuan Wu, Tao Xie and Ning Zheng Feng† State Key Laboratory of Chemical Engineering, College Biological Zhejiang University, Hangzhou 310058 , Sheng† Chen Jin Fang Yang Zhou Wu Department Colorectal Surgery Oncology, Cancer Prevention Intervention,...

Statistical behaviors of packing collections granular chains in a two-dimensional container have been investigated experimentally. On compaction from their own gravity, the longer pack into structure with lower density due to prevalence backbone loops. The can be considered as jamming system. factor shows scaling behavior $g(q)\ensuremath{\sim}{q}^{\ensuremath{-}2}$ good agreement dense polymer solutions. In addition, we compute various probability distributions distances and estimate three...

Periodic segregation behaviors in fine mixtures of copper and alumina particles, including both percolation eruption stages, are experimentally investigated by varying the ambient air pressure vibrational acceleration. For cases with moderate pressure, heaping profile granular bed keeps symmetrical whole periodic segregation. The shape upper surface stage, which resembles a miniature volcanic eruption, could be described Mogi model that illuminates genuine geography. When increases, an...

Abstract We experimentally investigate a discharging flux of granular particles through sieve plate subject to vertical vibrations. The mean mass shows non-monotonic relation with the vibration strength. High-speed photography reveals that two stages, free flight particles’ bulk over and adhesion plate, alternately appear, where only stage contributes flow. With independent methods, we then measure time under different conditions define an flux. monotonically increases increasing By...

A periodic segregation in a binary granular mixture of alumina and copper spheres has been found when the is subjected to vertical vibrations, which stable percolation process experimentally studied. Measurements reveal that time particles through permeable layer increases linearly as number increases. While current proves be independent particles, it shows monotonically decreasing relationship with mixture. Finally, we briefly discuss possible candidates affect current.

We experimentally investigate segregation behaviors of binary granular mixtures consisting chains and spherical grains with different interstitial media under vertical vibrations. A quantitative criterion is proposed to locate the boundaries between vibrating phases. The water-immersed mixture exhibits two interesting types behaviors: chain-on-top sandwich patterns. However, phenomenon absent for air-immersed mixture. topological differences phase diagrams environments indicate that fluid...

Due to the independence of driving velocity and outlet size, it is possible isolate geometrical kinematic contributions clogging in two-dimensional horizontal flow a hopper driven by conveyor belt. We experimentally investigate geometric (outlet size angle) effects (driving velocity) on such flow. Based quantitative measurements analysis avalanche blocking probability particle at outlet, other parameters, we show that factors can more effectively affect clogging. In addition, find tends be...

Flexible electronics, compared with conventional rigid have opened up a wide range of applications in wearable devices due to their flexibility and stretchability. However, flexible electronics as the ingenious combination inorganic brittle soft elastic substrates are based mainly on two dimensional flat layouts, which limit further applications. Shape memory polymers, class smart materials capable fixing temporary programmed shapes recovering permanent shape upon external stimulations....

Static packing structures of two-dimensional granular chains are investigated experimentally. It is shown that the density approximates saturation with exponential law as length chain increases. The globally disordered, while local square crystallization found by using radial distribution function. This characteristic phase similar to a liquid crystal state, and has properties between conventional solid crystal.

Large-scale vector data produce the field clustering in flow visualization. To emphasize essential features, a new method for 2D fields is proposed this paper. With method, firstly initialized as cluster, which then iteratively divided into hierarchy of clusters. During iteration, clusters are segmented with streamlines instead straight lines. This change enables it to since consistent behaviors, and shaped by aligned underlying flow. It easy capture patterns features from resulting...

The active depletion torque experienced by two anisotropic objects in an bath is a conceptional generalization of the equilibrium entropic torque. Using Brownian dynamics simulations, we compute suffered passive rods immersed ensemble particles. Our results demonstrate that qualitatively different from its counterpart. Interestingly, find can be greatly affected external constraint applied on rotational degree freedom rods, and even direction may changed with orientational constraint, which...

Spontaneous collective oscillation may emerge from seemingly irregular active matter systems. Here, we experimentally demonstrate a spontaneous population of granular particles confined in two chambers connected by narrow channel, and verify the intriguing behavior predicted simulation [M. Paoluzzi, R. Di Leonardo L. Angelani, Self-sustained density oscillations swimming bacteria microchambers, Phys. Rev. Lett., 2015, 115(18), 188303]. During oscillation, are alternately (nearly) filled up...

We experimentally investigate the effect of hopper angle on flow rate grains discharged from a two-dimensional horizontal conveyor belt. The grows with angle, and finally reaches plateau. curve feature appears to be similar for different orifice widths belt-driven velocities. On basis an empirical law flat-bottom hopper, we propose modified equation describe relation between which is in good agreement experimental results.