Results 41 to 50 of about 24,946 (261)

The asymptotic behavior for the Navier-Stokes-Voigt-Brinkman-Forchheimer equations with memory and Tresca friction in a thin domain

Demonstratio Mathematica
In this article, we investigate the behavior of weak solutions for the three-dimensional Navier-Stokes-Voigt-Brinkman-Forchheimer fluid model with memory and Tresca friction law within a thin domain. We analyze the asymptotic behavior as one dimension of
Dilmi Mohamed, Djenaihi Youcef, Dilmi Mourad, Boulaaras Salah, Benseridi Hamid   +4 more
doaj   +1 more source

Analysis of an Elasto-Hydrodynamic Seal by Using the Reynolds Equation

Applied Sciences, 2022
This paper reports numerical studies of an Elasto-Hydrodynamic (EHD) seal, which is being developed for supercritical CO2 (sCO2) turbomachinery applications. Current sCO2 turbomachinery suffers from high leakage rates, which is creating a major roadblock
Sevki Cesmeci, Karthik Reddy Lyathakula, Mohammad Fuad Hassan, Shuangbiao Liu, Hanping Xu, Jing Tang   +5 more
doaj   +1 more source

Multimodal Locomotion in Insect‐Inspired Microrobots: A Review of Strategies for Aerial, Surface, Aquatic, and Interfacial Motion

Advanced Robotics Research, EarlyView.
This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska, Kaushik Jayaram, Nicole Xu   +2 more
wiley   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Thrust Bearing with Rough Surfaces Lubricated by an Ellis Fluid

International Journal of Applied Mechanics and Engineering, 2014
In the paper the influence of bearing surfaces roughness on the pressure distribution and load-carrying capacity of a thrust bearing is discussed. The equations of motion of an Ellis pseudo-plastic fluid are used to derive the Reynolds equation.
A. Walicka, E. Walicki, P. Jurczak, J. Falicki   +3 more
doaj   +1 more source

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

Advanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Periodic Moving Track Analysis of Spiral Oil Wedge Journal Bearing under Dynamic Loading

Journal of Applied Fluid Mechanics, 2018
The moving track of journal bearing changes with the time in the condition of dynamic loading. The force balance equation of journal bearing is established, and the generalized Reynolds equation, the oil film thickness equation of spiral oil wedge ...
L. L. Wang, Q. L. Zeng, M. Wang, Q. G. Chen   +3 more
doaj  

Asymptotic study of electrorheological fluid in thin domain with variable power-law and Tresca boundary condition

Demonstratio Mathematica
This article investigates the stationary behavior of an incompressible non-Newtonian fluid flowing through a thin three-dimensional domain Qξ⊂R3 ${Q}^{\xi }\subset {\mathbb{R}}^{3}$ , where the viscosity follows a variable power-law model.
Amara Kaddouri, Dilmi Mohamed, Dilmi Mourad, Boulaaras Salah, Benseridi Hamid   +4 more
doaj   +1 more source

Intelligent Sky Guardians (InSkyGuard): An Aerial Robotic Swarm for Autonomous Detection and Entrapment of Rogue Multirotors

Advanced Robotics Research, EarlyView.
Intelligent Sky Guardians (InSkyGuard) is introduced as a four‐drone swarm that autonomously detects, tracks, and safely captures rogue drones using a coordinated net system. Computer vision and leader–follower control architecture enable synchronized enclosure, while integrated failsafes enhance system reliability. Validated through closed‐environment
Joshua Hastings, Levanya Dewanarayana, Iline Shaju, Haider Al‐Wizni, Sampson Marquis, Weicheng Huang, Pooya Sareh   +6 more
wiley   +1 more source

Small-scale turbulent dynamo for low-Prandtl number fluid: Comparison of the theory with results of numerical simulations

Astronomy & Astrophysics
Context. During the past decades, significant progress has been made in numerical simulations of the turbulent dynamo and the theoretical understanding of turbulence.
Kopyev A. V., Il’yn A. S., Sirota V. A., Zybin K. P.   +3 more
doaj   +1 more source