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A variety of experimental techniques for the generation of subsonic/supersonic dust fluid flows and means of measuring such flow velocities are presented. The experiments have been carried out in a $\Pi-$shaped Dusty Plasma Experimental…

Plasma Physics · Physics 2016-11-23 S. Jaiswal , P. Bandyopadhyay , A. Sen

We present simulations of the vortex dynamics associated with the self-propelled motion of jellyfish. The geometry is obtained from image segmentation of video recordings from live jellyfish. The numerical simulations are performed using…

Fluid Dynamics · Physics 2009-10-20 J. T. Rasmussen , D. Rosinelli , F. Storti , P. Koumoutsakos , J. H. Walther

Natural odor environments present turbulent and dynamic conditions, causing chemical signals to fluctuate in space, time, and intensity. While many species have evolved highly adaptive behavioral responses to such variability, the emerging…

Neural and Evolutionary Computing · Computer Science 2024-12-31 Shavika Rastogi , Nik Dennler , Michael Schmuker , André van Schaik

Navigation by scent is a capability in robotic systems that is rising in demand. However, current methods often suffer from ambiguities, particularly when robots misattribute odours to incorrect objects due to limitations in olfactory…

Robotics · Computer Science 2025-09-23 Kordel K. France , Ovidiu Daescu

Inexpensive, portable lab-on-a-chip devices would revolutionize fields like environmental monitoring and global health, but current microfluidic chips are tethered to extensive off-chip hardware. Insects, however, are self-contained and…

Jellyfish cyborgs present a promising avenue for soft robotic systems, leveraging the natural energy-efficiency and adaptability of biological systems. Here we demonstrate a novel approach to predicting and controlling jellyfish locomotion…

Robotics · Computer Science 2024-10-28 Dai Owaki , Max Austin , Shuhei Ikeda , Kazuya Okuizumi , Kohei Nakajima

Small - but finite - fluid inertia can be leveraged to generate steady flows out of liquid vibrations around an immersed interface. In engineering, external high-frequency drivers (10$^2$-10$^5$ Hz) allow this inertial rectification…

Swimming and pumping at low Reynolds numbers are subject to the "Scallop theorem", which states that there will be no net fluid flow for time reversible motions. Living organisms such as bacteria and cells are subject to this constraint,…

Soft Condensed Matter · Physics 2009-01-20 M. Leoni , J. Kotar , B. Bassetti , P. Cicuta , M. Cosentino Lagomarsino

The animals, in particular insects (Drosophila melanogaster), response towards odor stimuli in nature can be established by measuring the dynamic of the odor response. Such an approach is innovative since responses to odors were tested only…

Quantitative Methods · Quantitative Biology 2009-07-20 Agnieszka Ruebenbauer

The driving mechanism of jets and outflows in star formation process is studied using resistive MHD nested grid simulations. We calculated cloud evolution from the molecular cloud core to the stellar core. In the collapsing cloud core, we…

Astrophysics · Physics 2007-05-23 Masahiro N. Machida , Shu-ichiro Inutsuka , Tomoaki Matsumoto

A large number of insect species feed primarily on a fluid diet. To do so, they must overcome the numerous challenges that arise in the design of high-efficiency, miniature pumps. Although the morphology of insect feeding structures has…

Fluid Dynamics · Physics 2015-05-20 Manu Prakash , Miles Steele

We present a theory of jellyfish swarm formation and exemplify it with simulations of active Brownian particles. The motivation for our analysis is the phenomenon of jellyfish blooms in the ocean and clustering of jellyfish in tank…

Adaptation and Self-Organizing Systems · Physics 2024-11-26 Erik Gengel , Zafrir Kuplik , Dror Angel , Eyal Heifetz

Animal behavior and neural recordings show that the brain is able to measure both the intensity of an odor and the timing of odor encounters. However, whether intensity or timing of odor detections is more informative for olfactory-driven…

Quantitative Methods · Quantitative Biology 2021-06-17 Nicola Rigolli , Nicodemo Magnoli , Lorenzo Rosasco , Agnese Seminara

Recent experiments in cell biology have probed the impact of artificially-induced intracellular flows in the spatiotemporal organisation of cells and organisms. In these experiments, mild dynamical heating via focused infrared light from a…

Fluid Dynamics · Physics 2023-04-10 Weida Liao , Elena Erben , Moritz Kreysing , Eric Lauga

Tracking motions of humans or objects in the surroundings of the robot is essential to improve safe robot motions and reactions. In this work, we present an approach for scene flow estimation from low-density and noisy point clouds acquired…

Robotics · Computer Science 2025-08-01 Jack Sander , Giammarco Caroleo , Alessandro Albini , Perla Maiolino

Scyphozoan jellyfish exhibit the highest locomotive efficiency in the animal kingdom making them of particular interest in fluid dynamics and bioinspired robotics. Despite this prevalent analytical models of jellyfish swimming have been…

Fluid Dynamics · Physics 2026-04-17 Noa K. Yoder , John O. Dabiri

The performances of an original passive control system based on a biomimetic approach are assessed by investigating the flow over a bluff-body. This control device consists in a couple of flaps made from the combination of a rigid plastic…

Fluid Dynamics · Physics 2015-05-28 Nicolas Mazellier , Audrey Feuvrier , Azeddine Kourta

In this study, we use numerical simulations to investigate the flow field induced by a single magnetic microrobot rotating with a constant angular speed about an axis perpendicular to an underlying surface. A parallel solver for steady…

Fluid Dynamics · Physics 2020-03-13 Zhou Ye , Anirban Jana , Metin Sitti

Flow generated noise are caused shear flows and, hence, they can be used as feedback to control the flow. Existing flow control uses state variables like velocity, pressure, or vorticity, none use acoustic observables as the primary control…

Fluid Dynamics · Physics 2026-05-12 Siddharth Rout , Khai Phan , Chao-An Lin

Starting with a reminder of what is strongly coupled Quark-Gluon Plasma (sQGP), we proceed to recent advances in jet quenching and heavy quark diffusion, with a brief summary of various results based on AdS/CFT correspondence. The conical…

Nuclear Theory · Physics 2008-11-26 Edward Shuryak